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intel VS440FX motherboard Manual

1. ABCDEF G HI Tithe CC J BB AA SES S o E o Oo L Z v SC S BZ xe W VUT SR QPO OM05506 Figure 1 Motherboard Components A Optional Crystal Audio device P Floppy connector B Optional CD ROM audio connector Q IDE connectors C Optional wavetable connector R Front panel connectors D Optional telephony connector S Onboard speaker E VCCP voltage regulator T Intel 82371SB PIIX3 F MIDI game port audio jacks U Battery G Parallel port serial connectors V Jumper block H Optional USB connectors W National PC87308 87307 Super I O controller L Keyboard and mouse connectors X Auxiliary fan connector J Pentium Pro microprocessor Socket 8 Y Flash BIOS K Power connector Z Management Extension Hardware ASIC L Intel 82441FX AA ISA add in board connectors M Microprocessor fan connector BB SIMM connectors N Intel 82442FX CC PCI add in board connectors O VTT voltage regulator Motherboard Description 1 2 Motherboard Manufacturing Options e Support for USB e Audio Option CS4236 audio codec CD ROM connector Wavetable upgrade connector Telephony connector MIDI game port audi
2. J1E1 J1F1 1 Teleph deee Bid Connector Wave Table J1E2 Connector 1 OC 4 1 J3G1 J3G2 Simm CDROM r 0 J3H1 J3H2 Socket 4 Connector o ONE Fo j o J5M1 PCI Connectors 4 10 x Ri 20 J2E1 J2F1 A OO o IC o o JAM B ISA SIE 3 CO Connectors 4 r Secondary OO A CPU Fan J1A1 J1B1 ell Connector O O J1B2 J1C1 foe 8 O 3 11E Oj 11 Power 2 20 40 Connector GOOD O0 J6J1 sOO00000000000000000 i S CH 7 JP ox PCI IDE Connector 2 gHgBBBBHHEBBBEHBERBBSS BO CDD J9A1 15 33 3 Floppy Drive Connector Aux Fan Connector J10H1 27 DO OOO lO O lOO O OOOO Of OOO 1 Front Panel I O Connector OM05523 Figure 4 Motherboard Connectors 20 1 11 1 CD Audio J1E2 Pin oO M Signal Name Ground CD audio left channel Ground CD audio right channel 1 11 2 Wavetable Upgrade Connector J1E1 1 11 Pin ON OOF Go M Signal Name Wave in right Ground Wave in left Ground No connection Ground No connect MIDI_Out Telephony Connector J1F1 Pin oO M Signal Name Ground Audio out Audio in Key Motherboard Description 21 VS440FX Motherboard Technical Product Specification 1 11 4 Floppy Drive Connector J9J2 22 Pin N oO oO 13 15 17 19 21 23 25 27 29 31 33 Signal Name Ground Ground
3. Non parity parity and ECC support e Fully synchronous PCI bus interface 30 and 33 MHz bus speeds PCI to DRAM data throughput at greater than 100 MB per second Up to four PCI masters in addition to the PIIX3 and IDE e Data Buffering Pentium Pro processor to DRAM and PCI to DRAM write data buffering Pentium Pro processor to PCI burst writes 1 7 2 82442FX Data Bus Accelerator DBX The DBX connects to the 64 bit Pentium Pro data bus the 64 72 bit memory data bus and the 16 bit PMC private data bus The DBX works in parallel with the PMC to provide a high performance memory subsystem for Pentium Pro processor based systems The DBX comes in a 208 pin QFP package 1 7 3 82371SB PCI ISA IDE Xcelerator PIIX3 The PIIX3 is the interface between the PCI and ISA buses It features an integrated dual channel enhanced IDE interface that supports up to four IDE devices The PITX3 comes in a 208 pin QFP package that features e PCI and ISA bus interface e USB host hub controller VS440FX Motherboard Technical Product Specification e Integrated dual channel enhanced IDE interface Support for up to four IDE devices PIO Mode 4 transfers at up to 16 MB per second Integrated 8 x 32 bit buffer for bus master PCI IDE burst transfers Bus master mode e PCI compliance refer to Section 5 1 e Enhanced DMA controller supporting up to seven DMA channels e Interrupt controller with PCI to ISA interrupt ma
4. A non Plug and Play ISA card has requested a resource that is already in use 68 Error Messages and Beep Codes 4 3 BIOS Error Messages Error Message 8042 Gate A20 Error Address Line Short CH 2 Timer Error CMOS Battery State Low CMOS Checksum Failure CMOS System Options Not Set CMOS Memory Size Mismatch CMOS Time and Date Not Set Diskette Boot Failure DMA Error DMA 1 Error DMA 2 Error FDD Controller Failure HDD Controller Failure INTR 1 Error INTR 2 Error Invalid Boot Diskette KB Interface Error Off Board Parity Error Parity Error Explanation Gate A20 on the keyboard controller is not working Error in the address decoding circuitry on the motherboard There is an error in Counter Timer 2 CMOS RAM is powered by a battery The battery power is low Replace the battery After CMOS RAM values are saved a checksum value is generated for error checking The previous value is different from the current value Run Setup The values stored in CMOS RAM are either corrupt or nonexistent Run Setup The amount of memory on the motherboard is different than the amount indicated in CMOS RAM Run Setup Run Setup to set the date and time in CMOS RAM The boot disk in floppy drive A is corrupt It cannot be used to boot the system Use another boot disk and follow the screen instructions Error in the DMA controller Error in the first DMA channel Error in the second DMA channel
5. Audio Drivers and Utilities Audio software and utilities are available from Intel s World Wide Web site refer to Section 5 2 1 9 2 CD ROM Audio Connector A 1 x 4 pin connector is available for connecting an internal CD ROM reader to the audio subsystem s mixer The connector is compatible with most cables supplied with ATAPI CD ROM readers designed to connect to audio add in cards 1 9 3 Telephony Connector 1 9 4 Wavetable Connector A 2 x 2 pin connector is available for connecting the monaural audio signals of an internal telephony device such as a fax modem to the motherboard s audio subsection The mono in and mono out signal interface is necessary for telephony applications such as speakerphones and answering machines An 8 pin connector supports wavetable add in cards Most wavetable add in cards are installed in a standard ISA slot a cable is then routed from the card to the connector Compatible wavetable cards are available from several vendors The ICS WaveFront and the CrystaLake Series 2000 wavetable product families offer general MIDI compatible audio operation Motherboard Description 1 10 Management Extension Hardware The optional Management Extension hardware provides low cost instrumentation capabilities designed to reduce the total cost of owning a PC The hardware implementation is a single chip ASIC Features include e An integrated temperature sensor e Fan speed sensors for up to three fans
6. LPT3 Video VGA Video VGA Video VGA continued 48 Motherboard Resources Table 10 UO Map continued Address hex Size Description 03D4 03D5 2 bytes Video VGA 03DA 1 byte Video VGA 03E8 03EF 8 bytes COM3 03F0 03F5 6 bytes Floppy Channel 1 03F6 1 byte Primary IDE Channel Command Port 03F7 Write 1 byte Floppy Channel 1 Command 03F7 bit 7 1 bit Floppy Disk Change Channel 1 03F7 bits 6 0 7 bits Primary IDE Channel Status Port 03F8 03FF 8 bytes COM1 04D0 04D1 2 bytes Edge level triggered PIC 0534 0537 4 bytes WSS Audio LPTn 400h 8 bytes ECP port LPTn base address 400h OCF8 OCFB 4 bytes PCI Configuration Address Register OCF9 1 byte Turbo and Reset Control Register OCFC OCFF 4 bytes PCI Configuration Data Register OFFO OFF7 4 bytes CS4236 Audio Control FFOO FF07 8 bytes IDE Bus Master Register FFAO FFA7 8 bytes Primary Bus Master IDE Registers FFA8 FFAF 8 bytes Secondary Bus Master IDE Registers E DWORD access only D I Byte access only NOTE Refer to the Audio section in Chapter 1 for specific I O addresses that can be used by the audio components on your motherboard This table does not list I O addresses that may be used by add in cards in the system 41 VS440FX Motherboard Technical Product Specification 2 4 PCI Configuration Space Map Table 11 PCI Configuration Space Map Bus Device Function Number hex Number hex Number hex De
7. e Power supply voltage monitoring to detect levels above or below acceptable values e Registers for storing POST hardware test results and error codes e Security switch for detecting physical intrusion such as when the chassis lid has been removed even when power is off A photosensor is used as the switch e Remote reset capabilities from a remote peer or server through LANDesk Client Manager Version 3 0 and service layers when available e Hardware compatibility with Windows NIT When suggested ratings for temperature fan speed or voltage are exceeded an interrupt is activated The Management Extension circuitry connects to the ISA bus as an 8 bit I O mapped device It uses these I O addresses Address hex Description 80 POST codes 85 Address and control functions of the ASIC 86 Register read write operations for the ASIC These addresses are accessible only when the processor is in System Management Mode VS440FX Motherboard Technical Product Specification 1 11 Motherboard Connectors The following figure shows the connectors on the motherboard
8. I O A50 Key B50 Key A20 AD30 B20 AD31 A51 Key B51 Key A21 3 3 V B21 AD29 A52 C BEO B52 AD08 A22 AD28 B22 Ground A53 3 3 V B53 AD07 A23 AD26 B23 AD27 A54 ADO06 B54 3 3 V A24 Ground B24 AD25 A55 AD04 B55 AD05 A25 AD24 B25 3 3 V A56 Ground B56 ADOS A26 IDSEL B26 C BE3 A57 ADO2 B57 Ground A27 3 3 V B27 AD23 A58 ADOO B58 ADO1 A28 AD22 B28 Ground A59 5 V I O B59 5 V I O A29 AD20 B29 AD21 A60 REQ64C B60 ACK64C A30 Ground B30 AD19 A61 5 V D I 5V A31 AD18 B31 3 3 V A62 5 V B62 5 V These signals are optional in the PCI specification and are not implemented on this motherboard 31 VS440FX Motherboard Technical Product Specification 32 Table 2 ISA Bus Connectors Pin Signal Name Pin Signal Name B1 Ground A1 IOCHK IOCHCK B2 RESET RESDRV A2 SD7 B3 5 V A3 SD6 B4 IRQ9 A4 SD5 B5 5 V A5 SD4 B6 DRQ2 A6 SD3 B7 12 V A7 SD2 B8 SRDY NOWS A8 SD1 B9 12V AQ SDO B10 Ground A10 IOCHRDY CHRDY B11 SMEMW SMWTC A11 AEN B12 SMEMR SMRDC A12 SA19 B13 IOW IOWC A13 SA18 B14 IOR lIORC A14 SA17 B15 DACK3 A15 SA16 B16 DRQ3 A16 SA15 B17 DACK1 A17 SA14 B18 DRQ1 A18 SA13 B19 REFRESH A19 SA12 B20 BCLK A20 SA11 B21 IRQ7 A21 SA10 B22 IRQ6 A22 SA9 B23 IRQ5 A23 SA8 B24 IRQ4 A24 SA7 B25 IRQ3 A25 SA6 B26 DACK2 A26 SA5 B27 TC A27 SA4 B28 BALE A28 SA3 B29 5 V A29 SA2 B30 OSC A30 SA1 B31 Ground A31 SAO Key Key D1 MEMCS16 M16 C1 SBHE D2 IOCS16 IO16 C2 LA23 D3 IRQ10 C3 L
9. e Disabled e Enabled default 3 15 10 Plug and Play Configuration Subscreen This section describes the options in the Plug and Play configuration subscreen 3 15 10 1 Configuration Mode Sets how the BIOS gets information about ISA cards that do not have Plug and Play capabilities The options are e Use Setup Utility default e Use ICU The BIOS will depend on run time software to prevent conflicts between add in cards with Plug and Play capabilities and those without Boot with PnP OS will be the only field that appears on this subscreen 3 15 10 2 Boot with PnP OS Lets the computer boot with an operating system capable of managing Plug and Play add in cards The options are e None e Other e Windows 95 default 3 15 10 3 ISA Shared Memory Size Lets you specify a range of memory addresses that will be usable by ISA add in cards for shared memory and that will not be used for shadowing ROM memory from other devices The options are e Disabled the ISA Shared Memory Base Address field does not appear default e 16KB e 32KB e 48KB e 64KB e 80KB e 96KB Enable this field only if you are using a legacy ISA add in card without Plug and Play capabilities and the card requires non ROM memory space For example this could include LAN cards that have onboard memory buffers or video capture cards that have video buffer memory 61 VS440FX Motherboard Technical Product Specification By default upper memory
10. 5 System Cache Enables or disables both primary and secondary cache memory The options are e Enabled default e Disabled 3 15 5 6 Boot Speed Sets the system s boot speed The options are e Deturbo the motherboard operates at the speed of an AT system e Turbo boot up occurs at full speed default 3 15 5 7 Num Lock Sets the beginning state of the Num Lock feature on the numeric keypad of your keyboard The options are e Off default e On 3 15 5 8 Speaker Turns the onboard speaker control on or off The options are e Disabled e Enabled default 3 15 5 9 Setup Prompt Controls whether the Press F1 Key if you want to run Setup prompt is displayed during the power up sequence The options are e Enabled default e Disabled lt gt NOTE The Setup Prompt option has no effect on your ability to access the Setup program It only enables or disables the prompt 3 15 5 10 Hard Disk Pre Delay Sets the hard disk drive pre delay When enabled this option causes the BIOS to wait the specified time before it accesses the first hard drive If your system contains a hard drive and you don t see the drive type displayed during boot up the hard drive may need more time before it is able to communicate with the controller Setting a pre delay provides additional time for the hard drive to initialize The options are e Disabled default e 3 seconds e 6 seconds e 9 seconds 54 BIOS and Setup U
11. 7 1 82441FX PCI Bridge and Memory Controller DM 13 1 7 2 82442FX Data Bus Accelerator DBX sssssssssssserenreesserererrnrrrssrrrrrrrnnressne 13 1 7 8 82371SB PCI ISA IDE Xcelerator PIIX3 eeeeseeeeeeeeee 13 1 7 4 Universal Serial Bus Gupport ENEE 14 1 7 5 IDE Suppose a Cet Ebo dee 14 1 8 Super T O Gontroll6r ea i EENS ENEE po a ERAS Ec RR 15 1 8 1 Serial POMS eeen pucr Exon i o back ERE Fen cin iiec rE eet 15 1 8 2 Parallel Port o e Ea tr e ERI Dr E d ead ed Pisces sue 15 1 8 3 Floppy Controller ee c E 15 1 8 4 Keyboard and Mouse Interface AANER 16 1 8 5 Real Time Clock CMOS RAM and Battery cccccccccceeeeeeeeeeeeeeeeeeeeeeees 16 1 8 6 Infrared Support ageet eo nemen n er Bet rd c ER e e EF ee 17 T9 E lt EE 17 1 9 1 Audio Drivers and UtilitiGs dee retten herede 18 19 2 CD ROM Audio Connector erret tni eo ene tan tta rete en te 18 1 9 3 Telephony Gonnactor ceo Ree me e rh Ex E ERR E Ur aa ERU Exp RE een 18 1 9 4 Wavetable Connector noe edet edd 18 0 Management Extension Hardware AAA 19 1 Motherboard Connectors sno rtt t Re rie pte to ae Ea au OH aceon ER paud 20 Td T T CD Audio J1E2 roe e pectet lena eco tlt tr ir tenus 21 1 11 2 Wavetable Upgrade Connector J1E1 eesseeeeeesseeeeese 21 1 11 3 Telephony Connector J1F 1 eerte hr RE te ph ne aeceiince 21 1 11 4 Floppy Drive Connector LOD EEN 22 1 11 5 PCI ID
12. Configuration subscreen 3 15 2 5 Primary IDE Slave Reports if an IDE device is connected to the Primary IDE slave interface When selected this displays the IDE Device Configuration subscreen 3 15 2 6 Secondary IDE Master Reports if an IDE device is connected to the Secondary IDE master interface When selected this displays the IDE Device Configuration subscreen 49 VS440FX Motherboard Technical Product Specification 3 15 2 7 Secondary IDE Slave Reports if an IDE device is connected to the Secondary IDE slave interface When selected this displays the IDE Device Configuration subscreen 3 15 2 8 Language Specifies the language of the text strings used in the Setup utility and the BIOS The options are any installed languages 3 15 2 9 Boot Options When selected this displays the Boot Options subscreen 3 15 2 10 Video Mode Reports the video mode There are no options 3 15 2 11 Mouse Reports if a mouse is installed or not There are no options 3 15 2 12 Base Memory Reports the amount of base memory There are no options 3 15 2 13 Extended Memory Reports the amount of extended memory There are no options 3 15 2 14 BIOS Version Reports the BIOS identification string There are no options 3 15 3 Floppy Options Subscreen 3 15 3 1 Floppy A Reports if a diskette drive is connected to the system There are no options 3 15 3 2 Floppy B Reports if a second diskette drive is connected to th
13. Jumper Configuration J6D1 27 29 Password enabled Default 25 27 Password clear disabled CMOS NVRAM and ESCD Clear J6D1 20 22 Keep Default 18 20 Clear BIOS Setup Access J6D1 28 30 Access enabled Default 26 28 Access denied password protected Processor Frequency J6D1 Refer to Table 4 Host Bus Frequency J6D1 Refer to Table 4 BIOS Recovery J6D1 4 6 Normal operation Default 2 4 Recover BIOS These jumpers also set the PCI and ISA bus frequencies Processor Configuration J6D1 The motherboard must be configured for the frequency of the installed processor Table 4 shows the jumper settings for each frequency and the corresponding host bus PCI bus and ISA bus frequencies Table 4 Jumper Settings for Processor and Host Bus Frequencies Processor Freq MHz 200 180 166 150 reserved reserved reserved reserved Host Bus PCI Bus ISA Bus Bus Processor Jumpers J6D1 Freq MHz Freq MHz Freq MHz Freq Ratio 19 21 12 14 and 9 11 66 33 8 33 3 17 19 12 14 and 9 11 60 30 7 5 3 19 21 10 12 and 11 13 66 33 8 33 2 5 17 19 10 12 and 11 13 60 30 7 5 2 5 17 19 10 12 and 9 11 17 19 12 14 and 11 13 19 21 10 12 and 9 11 19 21 12 14 and 11 13 1 13 2 Password Clear J6D1 34 Use this jumper to clear the password if the password is forgotten The default setting is pins 27 29 password enabled To clear the password turn off the computer move the jumper to pins 25 27 and tu
14. Key Ground Ground Ground Ground Ground MSEN1 Ground Ground Ground Ground MSENO Ground Ground Ground Pin 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 Signal Name DENSEL Reserved FDEDIN FDINDX Index FDMOO Motor enable A FDDS1 Drive select B FDDSO Drive select A FDM01 Motor enable B FDDIR FDSTEP FDWD Write data FDWE Write gate FDTRKO Track 0 FDWPD Write protect FDRDATA Read data FDHEAD Side 1 select DSKCHG Diskette change 1 11 5 PCI IDE Connectors J9J1 J8J1 Motherboard Description Pin N oO oO 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Signal Name Reset IDE Host data 7 Host data 6 Host data 5 Host data 4 Host data 3 Host data 2 Host data 1 Host data 0 Ground DDRQO DDRQ1 I O write I O reads IOCHRDY DDACKO DDACK1 IRQ 14 IRQ 15 Address 1 Address 0 Chip select 1P Chip select 1S Activity Pin 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Signal Name Ground Host data 8 Host data 9 Host data 10 Host data 11 Host data 12 Host data 13 Host data 14 Host data 15 Key Ground Ground Ground Vcc pull up Ground Reserved Reserved Address 2 Chip select 3P Chip select 3S7 Ground NOTE Signal names in brackets are for the secondary IDE connector 1 11 6 Power Supply Connector J5M1 An ATX power supply supports remote p
15. Lh ja A 4 1 158 0 597 1407 Y pop EE E A Lu ccu e mw SR 0 671 0 652 0 666 Y vd Y gt 0553 Le S 0 120 HF 1 911 Le 2 184 gt La 3 327 gt d 4 735 Lei 1 899 gt La 5 391 1 La 5 883 1 La 6 533 0193 lt A y 226 D 2 055 I 2023 Left end View Note Material 20 010 50 001 Thick Stainless Steel Half Hard 0 050 OM05588 Figure 3 Back Panel I O Shield with Audio option Dimensions Motherboard Description 1 5 Microprocessor The motherboard operates with 2 1 V to 3 5 V Pentium Pro processors The onboard voltage regulator is automatically programmed and controlled by the VID pins of the processor to provide the required voltage The motherboard supports Pentium Pro processors that run internally from 150 MHz up to 200 MHz The motherboard supports Pentium Pro processors with either 256 KB or 512 KB of second level cache The processor maintains full backward compatibility with the 8086 80286 Intel386 Intel486 and Pentium processors Its numeric coprocessor maintains backward compatibility with math coprocessors and that comply with ANSI IEEE standard 754 1985 1 5 4 Microprocessor Heatsink and Clips N CAUTION Do not use the older style of bail wire clips for securing the heat sink assembly These clips have been known to damage the motherboard when installed or removed incorrectly An approved Pentium Pro processor heat sink is necessary for
16. On Reset password can be specified in the Setup program The keyboard controller also supports the following hot key sequences e lt CTRL gt lt ALT gt lt DEL gt Software reset This key sequence resets the computer s software by jumping to the beginning of the BIOS code and running the Power On Self Test POST e lt CTRL gt lt ALT gt lt gt and lt CTRL gt lt ALT gt lt gt Turbo mode Note that Turbo mode could be affected by the operating system or whether the processor is in protected mode or virtual x86 mode lt CTRL gt lt ALT gt lt gt For Deturbo mode emulates a 23 MHz AT lt CTRL gt lt ALT gt lt gt For Turbo mode e lt CTRL gt lt ALT gt lt defined in Setup Power management This key sequence invokes power managed mode which reduces the computer s power consumption while maintaining its ability to service external interrupts e lt CTRL gt lt ALT gt lt defined in Setup Keyboard lock This key sequence is a security feature that locks the keyboard until the User password is entered When keyboard lock is invoked the keyboard LEDs flash To enable the keyboard lock feature a User password must be specified in the Setup program 1 8 5 Real Time Clock CMOS RAM and Battery The real time clock is compatible with DS1287 and MC146818 components It provides a time of day clock and a 100 year calendar with alarm features and century rollover The real time clock also supports 242 bytes of battery b
17. Resume 26 When APM is enabled in the system BIOS and the operating system s APM driver is loaded the system can enter Sleep Standby mode in one of three ways e Optional front panel Sleep Resume button e Hot key defined in the BIOS Setup program e Prolonged system inactivity the default timeout is 10 minutes and can be changed in Setup A Sleep Resume button is supported by the 2 pin header located on the front panel I O connector The front panel Sleep Resume switch must be a momentary SPST type that is normally open Closing the Sleep Resume switch generates a System Management Interrupt SMD to the processor which immediately goes into System Management Mode SMM While the system is in Sleep mode it is fully capable of responding to and servicing external interrupts such as an incoming fax even though the monitor turns on only if a keyboard or mouse interrupt occurs To reactivate the system you must press the Sleep Resume button again or use the keyboard or mouse Motherboard Description 1 11 9 4 Infrared Connector You can connect an IrDA module to a 6 pin header on the motherboard After configuring the IrDA interface you can transfer files to or from portable devices such as laptops PDAs and printers using application software 1 11 9 5 Hard Drive HD LED You can connect this header to an LED to provide a visual indicator that data is being read from or written to an IDE hard drive For the LED to function properl
18. Specification 2 3 UO Map Table 10 I O Map Address hex Size 0000 000F 16 bytes 0020 0021 2 bytes 002E 002F 2 bytes 0040 0043 4 bytes 0048 004B 4 bytes 0060 1 byte 0061 1 byte 0064 1 byte 0070 bit 7 1 bit 0070 bits 6 0 7 bits 0071 1 byte 0078 1 byte 0079 1 byte 0080 008F 16 bytes 00A0 00A1 2 bytes 00C0 00DE 31 bytes OOFO 1 byte 0170 0177 8 bytes 01F0 01F7 8 bytes 0200 0207 8 bytes 0220 022F 16 bytes 0278 027F 8 bytes 02E8 02EF 8 bytes 02F8 02FF 8 bytes 0330 0331 2 bytes 0376 1 byte 0377 1 byte 0378 037F 8 bytes 0388 038B 4 bytes 03B4 03B5 2 bytes 03BA 1 byte O3BC OSBF 4 bytes 03C0 03CA 2 bytes 03CC 1 byte O3CE 03CF 2 bytes 40 Description PIIX3 DMA 1 PIIX3 Interrupt Controller 1 Super I O Controller Configuration Registers PIIX3 Counter Timer 1 PIIX3 Counter Timer 2 Keyboard Controller Byte Reset IRQ PIIX3 NMI Speaker Control Keyboard Controller CMD STAT Byte PIIX3 Enable NMI PIIX3 Real Time Clock Address PIIX3 Real Time Clock Data Reserved Board Configuration Reserved Board Configuration PIIX3 DMA Page Registers PIIX3 Interrupt Controller 2 PIIX3 DMA 2 Reset Numeric Error Secondary IDE Channel Primary IDE Channel Audio Game Port CS4236 Audio LPT2 COM4 Video 8514A COM2 MPU 401 MIDI Secondary IDE Channel Command Port Secondary IDE Channel Status Port LPT1 FM Synthesis Video VGA Video VGA
19. TSE 74 SEC 207 94 Summary of Nordic deviations to EN 60 950 Norway Sweden Denmark and Finland 37 VS440FX Motherboard Technical Product Specification 1 18 2 Electromagnetic Interference EMI 1 18 2 1 FCC Class B Title 47 of the Code of Federal Regulations Parts 2 and 15 Subpart B pertaining to unintentional radiators USA 1 18 2 2 CISPR 22 2nd Edition 1993 Limits and methods of measurement of Radio Interference Characteristics of Information Technology Equipment International 1 18 2 3 EN 55 022 1995 Limits and methods of measurement of Radio Interference Characteristics of Information Technology Equipment Europe 1 18 2 4 EN 50 082 1 1992 Generic Immunity Standard Currently compliance is determined via testing to IEC 801 2 3 and 4 Europe 1 18 2 5 VCCI Class 2 ITE Implementation Regulations for Voluntary Control of Radio Interference by Data Processing Equipment and Electronic Office Machines Japan 1 18 2 6 ICES 003 Issue 2 Interference Causing Equipment Standard Digital Apparatus Canada 1 18 3 Product Certification Markings This printed circuit assembly has the following product certification markings e European CE Mark Marking on the board or shipping container e UL Recognition Mark Marking is the UL File No E139761 on the component side of the board and the PB No on the solder side of the board Board material flammability is 94V 1 or 0 e Canadian Compliance Mark
20. cards or PCI cards and manages resource for legacy ISA cards Because the BIOS supports configuring devices across PCI bridges you must use ICU release 1 41 or greater to properly view and change system settings System configuration information is stored in ESCD format You can clear the ESCD data by moving the Clear CMOS jumper refer to Section 1 13 3 There is a Setup option to support Windows 95 runtime Plug and Play utilities If you select this option the BIOS assigns resources only to devices that are critical to booting Device Node information is available for all devices to ensure compatibility with Windows 95 3 7 Desktop Management Interface Desktop Management Interface DMI is a method of managing computers in an enterprise The main component of DMI is the Management Information Format MIF database which contains information about the computing system and its components Using DMI a system administrator can obtain the system types capabilities operational status installation date and other information about the system components The DMI specification requires that certain information about the system s motherboard be made available to an applications program This information is located in a series of data structures which are accessed in various ways by the DMI service layer Component instrumentation allows the service layer to gain access to information stored in the general purpose area of non volatile memory The MI
21. network add in card with a remote boot ROM installed 3 12 Flash LOGO Area The motherboard supports a 4 KB programmable Flash user area located at ES000 ESFFF You can use this area to display a custom OEM logo The BIOS accesses the user area just after completing POST A utility is available from Intel to assist with installing a logo into Flash for display during POST Contact your local Intel Sales office for further information 47 VS440FX Motherboard Technical Product Specification 3 13 BIOS Setup Access Jumper You can move the Setup Access jumper on the motherboard to enable or disable access to the Setup utility The default is for access to be enabled Refer to Section 1 13 4 for the specific pins on which to place the jumper 3 14 Recovering BIOS Data Some types of failure can destroy the BIOS data For example the data could be lost if a power outage occurs while your are updating the BIOS in Flash memory You can recover the BIOS data from a diskette by changing the setting of the BIOS Recover jumper refer to Section 1 13 5 To recover the BIOS 1 Turn off the computer and move the jumper to the BIOS recovery setting 2 In drive A insert the supplied boot disk containing the BIOS files and Recovery file 3 Bootthe computer The system should beep once and drive activity should start When recovery is successful the system beeps twice and drive activity stops After recovery turn off the computer and return th
22. proper thermal dissipation The processor heat sink assembly must be securely fastened to the ZIF socket by two clips These clips fit over the heat sink assembly and attach to tabs on the socket 1 5 2 Microprocessor Upgrade The motherboard has a Socket 8 processor socket Socket 8 is a 387 pin modified staggered pin grid array SPGA ZIF socket with a voltage regulator for the processor core The socket supports upgrades to future Pentium Pro OverDrive processors VS440FX Motherboard Technical Product Specification 1 6 Main Memory The motherboard has four SIMM sockets arranged in two banks Bank 0 and Bank 1 Each bank has two sockets SIMMs in the same bank must be the same type size and speed SIMMs in different banks may differ in type size and speed SIMMs must be installed in both sockets of a bank and at least one bank must be filled The BIOS automatically detects memory type and size so no jumper settings are required The motherboard supports e 72 pin SIMMs with tin plated contacts e 60 ns fast page mode SIMMs or 60 ns EDO SIMMs e Non parity parity or ECC SIMMs e Single or double sided SIMMs in the following sizes Configuration Configuration SIMM size non parity parity 4 MB 1x32 1x36 8 MB 2x32 2x36 16 MB 4x32 4 x 36 32 MB 8x32 8x36 64 MB 16 x 32 16 x 36 1 6 1 EDO DRAM EDO DRAM improves memory read performance by holding the memory data valid until the next CAS falling edge unlike fa
23. saving Standby mode in these ways e Keyboard hot key sequence specified in Setup e Time out period specified in Setup e Suspend resume switch connected to the front panel sleep connector When in Standby mode the motherboard reduces power consumption by using the processor s System Management Mode SMM capabilities and by spinning down hard drives and reducing power to or turning off VESAT DPMS compliant monitors In Setup you can select the DPMS mode to use for the monitor Standby Suspend Sleep or Disabled Off While in Standby mode the system retains the ability to respond to external interrupts it can service requests such as incoming faxes or network messages while unattended Any keyboard or mouse activity brings the system out of Standby mode and immediately restores power to the monitor and IDE drives APM is enabled in the BIOS by default however the system must be configured with an APM driver for the power saving features to take effect For example Windows 95 enables APM automatically upon detecting the presence of the APM BIOS BIOS and Setup Utility 3 9 Advanced Power Control The BIOS supports Advanced Power Control APC through the Super I O controller Two features include e Auto Start On AC Loss which sets the control for returning to the last known state of the system or powering down the system if the motherboard detects that the power supply has lost AC power e Power On COMI Ring which sets the con
24. 11 10 5 MIDI Game Port J1G1 30 Pin ON OT FR WN ak GO MM o Signal Name Vcc JBUTO JSX1 Ground Ground JSY1 JBUT1 Vcc Vcc JBUT2 JSX2 MIDI OUT JSY2 JBUT3 MIDI IN 1 12 Add in Board Expansion Connectors Motherboard Description The motherboard contains three PCI slots three ISA slots and one shared slot for a PCI or ISA card The PCI bus supports up to three bus masters through the three PCI connectors refer to Section 5 1 for information about compliance with the PCI specification Table 1 PCI Bus Connectors Pin Signal Name Pin Signal Name Pin Signal Name Pin Signal Name A1 5 V TRST Bi 12V A32 AD16 B32 AD17 A2 12 V B2 Ground TCK A33 43 3 V B33 C BE2 A3 5 V TMS B3 Ground A34 FRAME B34 Ground A4 5 V TDI B4 NC TDO A35 Ground B35 IRDY A5 5 V B5 5 V A36 TRDY B36 3 3 V A6 INTA B6 5 V A37 Ground B37 DEVSEL A7 INTC B7 INTB A38 STOP B38 Ground A8 5 V B8 INTD A39 3 3 V B39 LOCK A9 Reserved B9 PRSNT1 A40 SDONE B40 PERR A10 5 V I O B10 Reserved A41 SBO B41 43 3V A11 Reserved B11 PRSNT2 A42 Ground B42 SERR A12 Ground B12 Ground A43 PAR B43 43 3 V A13 Ground B13 Ground A44 AD15 B44 C BE1 A14 Reserved B14 Reserved A45 3 3 V B45 AD14 A15 RST B15 Ground A46 AD13 B46 Ground A16 5 V I O B16 CLK A47 AD11 B47 AD12 A17 GNT B17 Ground A48 Ground B48 AD10 A18 Ground B18 REQ A49 ADO9 B49 Ground A19 Reserved B19 5 V
25. 236 a 100 pin TQFP audio codec with an integrated FM synthesizer The audio subsystem provides all the digital audio and analog mixing functions needed for recording and playing sound on personal computers Together these components feature e Stereo analog to digital and digital to analog converters e Analog mixing anti aliasing and reconstruction filters e Line and microphone level inputs e ADPCM A law or ulaw digital audio compression decompression e Full digital control of all mixer and volume control functions e Full duplex operation e Sound Blaster game and Windows Sound System compatibility VS440FX Motherboard Technical Product Specification 1 9 1 The audio subsystem requires up to two DMA channels and two IRQs The following table shows the IRQ DMA channel and base I O address options Resource Sound Blaster DMA playback DMA IRQ shared with Windows Sound System capture Windows Sound System DMA playback MPU 401 IRQ shared with Sound Blaster MIDI Game Port FM Synthesis CS42396 Control IRQ Options 5 best choice 7 9 11 5 7 9 best choice 11 5 best choice 7 9 11 DMA channel Options 0 best choice 3 best choice o oo UO Address Options 210 21Fh 220 22Fh best choice 230 234h 240 24Fh 250 25Fh 260 26Fh 534 537h best choice 608 60Bh 300 301h 330 331h best choice 332 333h 334 335h 200 207h 388 308Bh FFO FFFh
26. A22 Note Items in parentheses are alternate versions of signal names continued 48 Motherboard Description Table 2 ISA Bus Connectors continued Pin Signal Name Pin Signal Name D4 IRQ1 1 C4 LA21 D5 IRQ12 C5 LA20 D6 IRQ15 C6 LA19 D7 IRQ14 C7 LA18 D8 DACKO C8 LA17 D9 DRQO C9 MEMR MRDC D10 DACK5 C10 MEMW MWTC D11 DRQ5 C11 SD8 D12 DACK6 C12 SD9 D13 DRQ6 C13 SD10 D14 DACK7 C14 SD11 D15 DRQ7 C15 SD12 D16 45V C16 SD13 D17 Master16 MASTER C17 SD14 D18 Ground C18 SD15 Note Items in parentheses are alternate versions of signal names 1 13 Jumper Settings Figure 7 shows the location of jumper blocks on the motherboard o o E Ho MEN o ilmol2 OO 5 o00 6 9 O 0 10 OO 13 0 0 14 CUP 17 0 0 18 OO 21 0 O 22 is s 2 25 O O 26 OO 29 O O 30 ER o J6D1 o oO o OM05525 Figure 7 Jumper Locations A CAUTION Do not move any of the jumpers with the power on Always turn off the power and unplug the power cord from the computer before changing jumpers 33 VS440FX Motherboard Technical Product Specification 1 13 1 Table 3 Jumper Settings Function Password Clear
27. BIOS Beep Codes Beeps 1 1 continuous 1 long and 2 short 4 Error Message Refresh Failure Memory Failure Display Memory Read Write Error Timer Not Operational 8042 Gate A20 Failure Processor Exception Interrupt Error ROM Checksum Error Description The memory refresh circuitry on the motherboard is faulty Memory failure in the first memory block checked The system video adapter is either missing or its memory is faulty This is not a fatal error Memory failure in the first 64 KB of memory or Timer 1 on the motherboard is not functioning The keyboard controller may be bad The BIOS cannot switch to protected mode The processor generated an exception interrupt ROM checksum value does not match the value encoded in BIOS 67 VS440FX Motherboard Technical Product Specification 4 2 PCI Configuration Error Messages The following PCI messages are displayed as a group with bus device and function information Message Bad PnP Serial ID Checksum Floppy Disk Controller Resource Conflict NVRAM Checksum Error NVRAM Cleared NVRAM Cleared By Jumper NVRAM Data Invalid NVRAM Cleared Parallel Port Resource Conflict PCI Error Log is Full PCI I O Port Conflict PCI IRQ Conflict PCI Memory Conflict Primary Boot Device Not Found Primary IDE Controller Resource Conflict Primary Input Device Not Found Secondary IDE Controller Resource Conflict Serial Port 1 Resource Conf
28. E Connectors J91 J8J1 certe mnes 23 1 11 6 Power Supply Connector J5M 1 iet te obe eri eet e Reis 23 1 11 7 Microprocessor Fan Connector UM 24 1 11 8 Auxiliary Fan Connector LOAT een 24 1 11 9 Front Panel Connectors e perite etre ma ere re FR tts 25 1 11 10 Back Panel Connectors EE 27 1 12 Add in Board Expansion Connechors kee 31 VS440FX Motherboard Technical Product Specification Tas Jumper Settings i s Gane viet e ea nema e tese Se bnc pa Ld ous s Ge DR RPM Mn Ro EUH patur 33 1 18 1 Processor Configuration LD ENNEN 34 113 2 Password Clear UGB A EE 34 1 19 3 Olear CMOS ET EAR a cito t ec etin eol cec une b a Rupe diutina 35 1 13 4 BIOS Setup Access Lei ENEE enne 35 1 13 5 BIOS Recovery J6D1 i i e eet e eerte ren ed er eee e Fe fnr e 35 4 Reliability ee c ts PT 35 5 Envilonmbertal E ean ope gom MEM CD IMS EE 35 6 Power Supply Requiretments eco eorr tein oe ete tont ent dob eben hn giae ioa 36 7 Power GonsumlpllOn sie cece tee eR t ca leer a etae decer ada eu a decia da sat Env Ede 36 S Regulatory Compliance sx accipere bee oe keit eet iate Dat ae tas ettet ae etu fetus 37 SE SEH 37 1 18 2 Electromagnetic Interference EMILE 38 1 18 3 Product Certification Markings e 38 Motherboard Resources 2 1 Memory Map eia ene Et tte rect imt tone rem br rt Ro ER d eee iaae 39 22 DMAGChannels ioe rd en er ee eme d Fei ta edv De ot a rci NEEN EEN et 39 23 aUi TEE 40 24 PCI Configurat
29. F database defines the data and provides the method for accessing the information 45 VS440FX Motherboard Technical Product Specification The BIOS support for DMI enables the maximum benefit from applications such as LANDesk Client Manager from Intel The BIOS stores and can report on the following types of DMI information e BIOS data such as the BIOS revision level e Fixed system information such as data about the motherboard peripherals serial numbers and asset tags etc e System information discovered during bootup such as memory size cache size processor speed etc e Dynamic information such as event detection and error logging An OEM can use a utility that makes DMI calls to program system and chassis related information into the Flash memory so the BIOS can also report that information Once this information is written it is locked read only Intel can provide a utility for making DMI calls to the BIOS Contact your local Intel Sales office for further information The latest DMI specification is available from Intel refer to Section 5 2 and other sites DMI does not work directly under non Plug and Play operating systems e g Windows NT However the BIOS supports a DMI table interface for such OSs Using this support a DMI service level application running on a non Plug and Play OS can access the DMI BIOS information 3 8 Advanced Power Management 46 The BIOS supports APM You can initiate the energy
30. I O operations require a substantial amount of processor bandwidth however in true multi tasking operating systems such as Windowst 95 the bandwidth freed by bus mastering IDE can be devoted to other tasks while disk transfers are occurring Motherboard Description 1 8 Super I O Controller The PC87308 87307 Super I O Controller from National Semiconductor is a fully Plug and Play compatible device which provides Serial ports two NS16C550 compatible UARTS with send receive 16 byte FIFO Multimode bidirectional parallel port Standard mode IBM and Centronicst compatible Enhanced Parallel Port EPP mode with BIOS and driver support High speed Extended Capabilities Port ECP mode Industry standard floppy controller with 16 byte FIFO and 2 88 MB floppy drive support 8042 compatible keyboard controller Real time clock accurate within 13 minutes a year at 25 C and 5 V Support for an IrDA compliant infrared interface By default the I O controller interfaces are automatically configured during boot up The I O controller can also be manually configured in the Setup program 1 8 1 Serial Ports The motherboard has two 9 pin D Sub serial port connectors located on the back panel The NS16C550 compatible UARTs support data transfers at speeds up to 921 6 kBaud standard or 1 5 MBaud 1 8 2 Parallel Port The connector for the multimode bidirectional parallel port is a 25 pin D Sub connector located on the back pa
31. Marking is a small c followed by a stylized backward UR on the component side of the board 38 2 Motherboard Resources 2 1 Memory Map Table 8 Memory Map Address Range decimal Address Range hex Size 1024 K 262144 K 960 K 1023 K 944 K 959 K 936 K 943 K 932 K 935 K 928 K 931 K 896 K 927 K 800 895 K 640 K 799 K 639 K 512 K 639 K 0K 511K 100000 10000000 F0000 FFFFF ECO000 EFFFF EA000 EBFFF E9000 E9FFF E8000 E8FFF E0000 E7FFF C8000 DFFFF A0000 C7FFF 9FCO0 9FFFF 80000 9FBFF 00000 7FFFF 255 MB 64K 16K 8K 4K 4K 32K 96 K 160 K 1K 127K 512K Description Extended Memory System BIOS Boot Block available as UMB ESCD Plug and Play configuration Reserved for BIOS OEM Logo or Scan User Flash POST BIOS available as UMB Available High DOS memory open to ISA and PCI bus Video memory and BIOS Extended BIOS data movable by memory manager software Extended conventional memory Conventional memory 2 2 DMA Channels Table 9 DMA Channels DMA Channel Number 0 w N N OOA Data Width 8 or 16 bits 8 or 16 bits 8 or 16 bits 8 or 16 bits 16 bits 16 bits 16 bits System Resource Audio if present else open Audio if present else open Floppy Drive Audio if present else Parallel Port for ECP or EPP Reserved Cascade Channel Open Open Open 39 VS440FX Motherboard Technical Product
32. Motherboard MTBF 61534 hours calculated 1 15 Environmental Table 5 Motherboard Environmental Specifications Parameter Specification Temperature Non Operating 40 C to 70 C Operating 0 C to 55 C Vibration Unpackaged 5 Hz to 20 Hz 0 01g Hz sloping up to 0 02 g Hz 20 Hz to 500 Hz 0 02g Hz flat Packaged 10 Hz to 40 Hz 0 015g Hz flat 40 Hz to 500 Hz 0 015g Hz sloping down to 0 00015 g Hz 35 VS440FX Motherboard Technical Product Specification 1 16 Power Supply Requirements The VS440FX motherboard is designed to operate with a minimum 200 watt ATX power supply for typical configurations or a higher wattage supply for heavily loaded configurations The power supply must meet the following requirements e Rise time of 2 ms to 20 ms e Delay of 100 ms min from Reset to Powergood e Power down warning of 1 ms min The 43 3 V output must reach its minimum regulation level within 20 ms of the 5 V output reaching its minimum regulation level 1 17 Power Consumption 36 Tables 6 and 7 list voltage and current specifications for a computer that contains the motherboard a 200 MHz Pentium Pro processor 32 MB EDO DRAM 256 KB cache 3 5 inch floppy drive 1 6 GB hard drive 4X IDE CD ROM and a PCI graphics card This information is preliminary and is provided only as a guide for calculating approximate power usage with additional resources added Table6 DC Voltage DC Voltage Acceptable T
33. The BIOS cannot communicate with the floppy disk drive controller Check all appropriate connections after the system is powered down The BIOS cannot communicate with the hard disk drive controller Check all appropriate connections after the system is powered down Interrupt channel 1 failed POST Interrupt channel 2 failed POST The BIOS can read the disk in floppy drive A but cannot boot the system from it Use another boot disk There is an error in the keyboard connector Parity error in memory installed in an expansion slot The format is OFF BOARD PARITY ERROR ADDR HEX XXXX where XXXX is the hex address where the error occurred Parity error in system memory at an unknown address 69 VS440FX Motherboard Technical Product Specification 4 4 ISA NMI Messages NMI Message Explanation Memory Parity Error at Memory failed If the memory location can be determined it is displayed as xxxxx XXXXX If not the message is Memory Parity Error UO Card Parity Error at An expansion card failed If the address can be determined it is displayed as xxxxx XXXXX If not the message is I O Card Parity Error DMA Bus Time out A device has driven the bus signal for more than 7 8 microseconds 70 5 Compliance with Specifications 5 1 Specifications The motherboard complies with the following specifications e Advanced Power Management Specification revision 1 2 e ATX Specification release 1 1 e Inf
34. VS440FX Motherboard Technical Product Specification Order Number 281812 003 October 1996 The VS440FX motherboard may contain design defects or errors known as errata Characterized errata that may cause the VS440FX motherboard s behavior to deviate from published specifications are documented in the VS440FX Motherboard Specification Update Revision History Revision Revision History Date 001 Preliminary release of the VS440FX Technical Product Specification 4 96 002 Second release of the VS440FX Technical Product Specification 5 96 003 Updated to reflect Fab E 10 96 This product specification applies only to standard VS440FX motherboards with BIOS identifier CS1 Changes to this specification will be published in the VS440FX Motherboard Specification Update before being incorporated into a revision of this document Information in this document is provided in connection with Intel products No license express or implied by estoppel or otherwise to any intellectual property rights is granted by this document Except as provided in Intel s Terms and Conditions of Sale for such products Intel assumes no liability whatsoever and Intel disclaims any express or implied warranty relating to sale and or use of Intel products including liability or warranties relating to fitness for a particular purpose merchantability or infringement of any patent copyright or other intellectual property right Intel products are not int
35. acked CMOS RAM in two banks which are reserved for BIOS use The time date and CMOS values can be specified in the Setup program The CMOS values can be returned to their defaults by using the Setup program or by setting a configuration jumper on the motherboard An external coin cell battery powers the real time clock and CMOS memory If the computer is not plugged into a wall socket the battery has an estimated life of three years When the computer is plugged in the 5 volt standby current from the motherboard s power supply extends the life of the battery The RTC is accurate to 13 minutes year at 25 C and 5 V conditions Motherboard Description 1 8 6 Infrared Support The motherboard has a 5 pin header that supports Hewlett Packard HSDSL 1000 compatible infrared IR transmitters receivers The connection can be used to transfer files to or from portable devices like laptops PDAs and printers The Infrared Data Association IrDA specification supports data transfers of 115 Kbps at a distance of 1 meter 1 8 6 1 Consumer Infrared Support The motherboard has a signal pin that supports Consumer IR devices remote controls The signal pin supports receive only Consumer IR devices can be used to control telephony functions and multimedia operations like volume and CD track changes A software and hardware interface is needed to use this feature 1 9 Audio Subsystem The optional onboard audio subsystem features the Crystal CS4
36. ally configures the diskette drive interface The options are e Disabled e Enabled e Auto default 3 15 7 4 Serial Port 1 Address Selects the logical COM port I O address and IRQ of Serial Port 1 The options are e Disabled e COMI 3F8h IRQ4 e CONO 2F8h IRQ3 e CONG 3E8h IRQ4 e COMI 3F8h IRQ3 e CONO 2F8h IRQ4 e CONG 3E8h IRQ3 e Auto Setup assigns the first free COM port normally COMI 3F8h IRQ4 default 3 15 7 5 Serial Port 2 Address Selects the logical COM port I O address and IRQ of Serial Port 2 The options are e Disabled e COMI 3F8h IRQ4 e CONO 2F8h IRQ3 e COMS3 3E8h IRQ4 e COMI 3F8h IRQ3 e CONO 2F8h IRQ4 e CONG 3E8h IRQ3 e Auto Setup assigns the first free COM port normally COM2 2F8h IRQ3 default 57 VS440FX Motherboard Technical Product Specification GP NOTE If you specifically set either serial port address that address will not appear in the list of options for the other serial port 3 15 7 6 Parallel Port Address Selects the logical printer port I O address and IRQ of the parallel port The options are e Disabled e LPT3 3BCh IRQ7 e LPT1 378h IRQ7 e LPT2 278h IRQ7 e LPT3 3BCh IRQ5 e LPT1 378h IRQ5 e LPT2 278h IRQ5 e Auto Setup assigns LPT1 378h IRQ7 default 3 15 7 7 Parallel Port Mode Selects the mode for the parallel port The options are e Compatible operates in ATT compatible mode default e Bi directional operates in b
37. ds that can be used to limit access to the system Exit Save or discard changes continued 48 BIOS and Setup Utility Table 15 Overview of the Setup Menu Screens continued Setup Subscreen Description Floppy Options Configure diskette drives IDE Device Configuration Configure IDE devices such as hard disk drives Boot Options Modify options that affect the system boot up such as the boot sequence Peripheral Configuration Modify options that affect the serial ports the parallel port and the disk drive interfaces Advanced Chipset Modify options that affect memory and system buses Configuration Power Management Access and modify APM options Configuration Plug and Play Modify options that affect the system s Plug and Play capabilities Configuration Event Logging Access and modify event logging options Configuration 3 15 2 Main BIOS Setup Screen This section describes the Setup options found on the main menu screen If you select certain options from the main screen e g Hard Disk Setup switches to a subscreen for the selected option 3 15 2 1 System Date Specifies the current date Select the month from a pop up menu 3 15 2 2 System Time Specifies the current time 3 15 2 3 Floppy Options When selected this displays the Floppy Options menu 3 15 2 4 Primary IDE Master Reports if an IDE device is connected to the Primary IDE master interface When selected this displays the IDE Device
38. e 1 Drive 0 Drive 1 Normal no ATAPI ATA Disk and CD ROM for enhanced IDE systems ATA ATAPI Legacy IDE system with only one cable ATA ATAPI Enhanced IDE with CD ROM and a tape or two ATA ATAPI ATAPI CD ROMs BIOS and Setup Utility 3 5 PCI Auto configuration The PCI auto configuration utility operates in conjunction with the Setup utility to let you insert and remove PCI cards without user configuration Plug and Play When you turn on the system after adding a PCI card the BIOS automatically configures interrupts I O space and other parameters PCI interrupts are distributed to available ISA interrupts that have been not been assigned to an ISA card or to system resources Any interrupts set to available in Setup are considered free for use by PCI add in cards The assignment of PCI interrupts to ISA IRQs is nondeterministic System configuration information is stored in ESCD format You can clear the ESCD data by moving the Clear CMOS jumper refer to Section 1 13 3 For information about the version of PCI supported by this BIOS refer to Section 5 1 Peer to peer hierarchical PCI Bridge is supported and by using an OEM supplied option ROM or TSR a PCI to PCMCIA bridge capability is possible as well 3 6 ISA Plug and Play The BIOS incorporates ISA Plug and Play capabilities When used in conjunction with the ISA Configuration Utility ICU for DOS or Windows 3 x the system allows auto configuration of Plug and Play ISA
39. e jumper to the original pins to restore normal operation 3 15 BIOS Setup Utility The Setup utility lets you modify the configuration for most basic changes without opening the system Setup is accessible only during the POST To enter Setup press the F1 key after the POST memory test has begun and before boot begins By default there is a prompt to press the F1 key to access Setup but this prompt may be disabled Refer to Section 1 13 4 for information on placing the jumper that prevents user access to Setup for security purposes 3 15 1 Overview of the Setup Menu Screens 48 Table 15 lists the screens displayed by the Setup utility Setup initially displays the Main menu screen In each screen there are options for modifying the system configuration Select a menu screen by pressing the left or right lt gt arrow keys Use the up T or down lt gt arrow keys to select items in a screen Use the Enter key to select an item for modification For certain items pressing Enter brings up a subscreen After you have selected an item use the arrow keys to modify the setting Table 15 Overview of the Setup Menu Screens Setup Menu Screen Description Main Set up and modify some of the basic options of a PC such as time date diskette drives and hard drives Advanced Modify the more advanced features of a PC such as peripheral configuration and advanced chipset configuration Security Specify passwor
40. e rhe ueteres tu a 28 Zs Jumper Locations AM m 33 Motherboard Description 1 1 Overview The VS440FX motherboard supports Pentium Pro microprocessors operating at 150 166 180 and 200 MHz The Pentium Pro microprocessor includes 16 KB of L1 cache on the chip A 256 KB or 512 KB L2 cache device is contained in the same package as the microprocessor The motherboard features e ATX form factor e Socket 8 Pentium Pro processor socket Main Memory e Four 72 pin SIMM sockets e Support for up to 256 MB of Extended Data Out EDO or fast page memory e Support for non parity parity or Error Checking and Correcting ECC DRAM Chipset and PCI IDE Interface e Intel 82440FX PCIset e Integrated PCI bus mastering controller e Two fast IDE interfaces e Support for up to four IDE drives or devices e Support for two Universal Serial Bus USB interfaces I O Features e PC87308 87307 Super I O controller e Integrates standard I O functions floppy drive interface one multi mode parallel port two FIFO serial ports real time clock keyboard and mouse controller and IrDAt compatible interface Expansion Slots e Three ISA e Three PCI e One shared PCI ISA Audio Subsystem e Crystalt CS4236 Multimedia codec e Wavetable upgrade header Other features e Plug and Play compatible BIOS e Support for Advanced Power Management APM VS440FX Motherboard Technical Product Specification
41. e system There are no options 50 BIOS and Setup Utility 3 15 3 3 Floppy A Type Specifies the physical size and capacity of the diskette drive The options are e Disabled e 360 KB 5 25 inch e 1 2 MB 5 25 inch e 720 KB 3 5 inch e 1 44 1 25 MB 3 5 inch default e 2 88 MB 3 5 inch 3 15 3 4 Floppy B Type Specifies the physical size and capacity of the diskette drive The options are e Disabled default e 360 KB 5 25 inch e 1 2 MB 5 25 inch e 720 KB 3 5 inch e 1 4 1 25 MB 3 5 inch e 2 88 MB 3 5 inch 3 15 4 Primary Secondary IDE Master Slave Configuration Subscreens There are four subscreens used to enable IDE devices e Primary IDE Master e Primary IDE Slave e Secondary IDE Master e Secondary IDE Slave All four subscreens contain the same eight fields described below 3 15 4 4 IDE Device Configuration Used to manually configure the hard drive or have the system auto configure it The options are e Auto Configured default e User Definable e Disabled If you select User Definable you can modify the Number of Cylinders Number of Heads and Number of Sectors items If you select Disabled the BIOS will not scan for a device on that interface 3 15 4 2 Number of Cylinders If IDE Device Configuration is set to Auto Configured this field reports the number of cylinders for your hard disk and cannot be modified If IDE Device Configuration is set to User Definable you must type the corr
42. ect number of cylinders for your hard disk 51 VS440FX Motherboard Technical Product Specification 3 15 4 3 Number of Heads If IDE Device Configuration is set to Auto Configured this field reports the number of heads for your hard disk and cannot be modified If IDE Device Configuration is set to User Definable you must type the correct number of heads for your hard disk 3 15 4 4 Number of Sectors If IDE Device Configuration is set to Auto Configured this field reports the number of sectors for your hard disk and cannot be modified If IDE Device Configuration is set to User Definable you must type the correct number of sectors for your hard disk 3 15 4 5 Maximum Capacity Reports the maximum capacity of your hard disk which is calculated from the number of cylinders heads and sectors There are no options 3 15 4 6 IDE Translation Mode A CAUTION Do not change the IDE translation mode from the option selected when the hard drive was formatted Changing the option after formatting can result in corrupted data Specifies the IDE translation mode The options are e Standard CHS standard cylinder head sector for drives with fewer than 1024 cylinders e Logical Block LBA e Extended CHS extended cylinder head sector for drives with more than 1024 cylinders e Auto Detected BIOS detects IDE drive support for LBA default 3 15 4 7 Multiple Sector Setting Sets the number of sectors transferred by an IDE drive per inter
43. een options 3 15 6 1 Processor Type Reports the processor type There are no options 3 15 6 2 Processor Speed Reports the processor clock speed There are no options 3 15 6 3 Cache Size Reports the size of the secondary cache There are no options 3 15 6 4 Peripheral Configuration When selected this displays the Peripheral Configuration subscreen 3 15 6 5 Advanced Chipset Configuration When selected this displays the Advanced Chipset Configuration subscreen 3 15 6 6 Power Management Configuration When selected and enabled this displays the Advanced Power Management subscreen 3 15 6 7 Plug and Play Configuration When selected this displays the Plug and Play Configuration subscreen 3 15 6 8 Event Logging Configuration When selected this displays the Event Logging Configuration subscreen 56 BIOS and Setup Utility 3 15 7 Peripheral Configuration Subscreen This section describes the Setup options for the Peripheral Configuration subscreen For peripherals set to Auto the BIOS automatically configures the peripheral during power up 3 15 7 1 Primary PCI IDE Interface Disables or automatically configures the primary PCI IDE hard disk interface The options are e Disabled e Auto default 3 15 7 2 Secondary PCI IDE Interface Disables or automatically configures the secondary PCI IDE hard disk interface The options are e Disabled e Auto default 3 15 7 3 Floppy Interface Disables or automatic
44. ended for use in medical life saving or life sustaining applications Intel retains the right to make changes to specifications and product descriptions at any time without notice The VS440FX motherboard may contain design defects or errors known as errata Current characterized errata are available on request Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order t Third party brands and names are the property of their respective owners Copies of documents which have an ordering number and are referenced in this document or other Intel literature may be obtained from Intel Corporation P O Box 7641 Mt Prospect IL 60056 7641 or call in North America 1 800 879 4683 Europe 44 0 1793 431 155 France 44 0 1793 421 777 Germany 44 0 1793 421 333 other Countries 708 296 9333 Copyright O 1996 Intel Corporation Table of Contents 1 Motherboard Description Tl OVGRVIOW Et 7 1 2 Motherboard Manufacturing Options sessseeeennem enn 9 uude 9 UEM erc e 10 1 57 MIGKOPrOCESS EE 11 1 5 1 Microprocessor Heatsink and Clips seeene 11 1 5 2 Microprocessor Upgrade AAA 11 RN ITALI e ET D T 12 1 6 1 EDO DRAM i e ee ote ic E c e Dia D 12 1 6 2 Patity ECC DEUAM eicere t pter vr ttt eene Feo ree pa ener o Cole intl de 12 TG Chipset ise ettet eee a ste enun eese ded a ete tdt mei o E EE eacus 13 1
45. ep switch Power switch J10H1 24 22 18 13 27 OO OOO IO OQ IOO OQ IQOOO Oj OOO 1 SPKR RsT PWRLED HDLED INFRARED SLP PWR ON OM04550 1 11 9 1 Figure 5 Front Panel I O Connectors Pin O OO NI OO FR Go N o A n Front Panel UO Connectors Signal Name Connector SW ON Power On Ground SLEEP Sleep Resume SLEEP PU pullup No connect none 45V IrDA Key IrRX Ground IrTX CONIR Consumer IR No connect none continued 48 25 VS440FX Motherboard Technical Product Specification Front Panel UO Connectors continued Pin Signal Name Connector 13 HD PWR 5 V HD LED 14 Key 15 HD Active 16 HD PWR 17 No connect Key none 18 Ground Sleep Power LED 19 Key 20 PWR LED 21 No connect Key none 22 Ground Reset 23 SW RST 24 Ground Speaker 25 Key 26 PIEZO IN 27 SPKR HDR 1 11 9 2 Power On Connector You must connect this header to a power switch that could be placed on the front panel A momentary ground must be applied to the SW ON pin to signal the supply to turn on or off This requirement is usually satisfied by using a SPST normally open momentary contact switch Because of the motherboard s internal debounce circuitry the ground must be applied for at least 50 ms To prevent double clicking at least 2 seconds must pass before the power supply will recognize another on off signal 1 11 9 3 Sleep
46. es 3 15 12 Security Screen This section describes the passwords you can set to restrict access to the Setup program and to restrict who can boot the computer 3 15 12 1 Administrative and User Access Modes The options on the Security screen let you set a User password and or an Administrative password The access restrictions for the User and Administrative modes are e Setup options The Administrative password gives you full access to Setup options the User password can be limited to only certain options Thus by setting separate Administrative and User passwords a system administrator can limit who can change critical Setup values The actual limitations depend on whether one or both passwords are set Table 16 shows how the passwords work together e Booting the system To limit access to who can boot the system set the User password This is the password that the system asks for before booting If only the Administrative password is set the system boots up without asking for a password If both passwords are set you can enter either password to boot the system Table 16 shows the effects of setting the Administrative and User passwords The table is for reference only and is not shown on the Security screen 63 VS440FX Motherboard Technical Product Specification Table 16 Administrative and User Password Functions Password Required During Password Set Administrative Mode User Mode Boot Process Neither Can change a
47. goes into power managed mode The options are e Disabled e Enabled default 3 15 9 3 VESA Video Power Down Sets any VESA compliant monitor to be power managed when the system goes into power managed mode The options are e Disabled e Standby e Suspend e Sleep default 3 15 9 4 Inactivity Timer Sets the number of minutes the computer must be inactive before it enters power managed mode The range is 0 255 minutes The default is 10 minutes 3 15 9 5 Hot Key Sets the hot key for power managed mode When a user presses this key while holding down the lt Ctrl gt and lt Alt gt keys the system enters power managed mode All alphabetic keys are valid entries for this field lt gt NOTE If you set the APM hot key and the Security hot key refer to Section 3 15 13 6 to the same key the APM function has priority 3 15 9 6 Auto Start On AC Loss Enables returning to the last known state of the system or powering down the system if the motherboard detects that AC power to the power supply is lost The options are e Disabled e Enabled default 60 BIOS and Setup Utility 3 15 9 7 Power On COM Ring Power On COMI Ring which sets the control that allows the system to be powered on when an incoming POTS call is received on a telephony device configured for operation on COMI Enables the system to power on when a telephony device configured for operation on COMI receives an incoming POTS call The options are
48. idirectional PS 2 compatible mode e EPP Enhanced Parallel Port a high speed bidirectional mode e ECP Extended Capabilities Port a high speed bidirectional mode 3 15 7 8 Primary IDE Status Reports if the primary IDE interface is enabled or disabled There are no options 3 15 7 9 Secondary IDE Status Reports if the secondary IDE interface is enabled or disabled There are no options 3 15 7 10 Floppy Status Reports if the diskette drive interface is enabled or disabled There are no options 3 15 7 11 Serial Port 1 Status Reports the COM port I O address and IRQ for Serial Port 1 There are no options 3 15 7 12 Serial Port 2 Status Reports the COM port I O address and IRQ for Serial Port 2 There are no options 3 15 7 13 Parallel Port Status Reports the logical printer port I O address and IRQ for the parallel port There are no options 58 BIOS and Setup Utility 3 15 8 Advanced Chipset Configuration Subscreen This section describes the options available on the Advanced Chipset Configuration subscreen 3 15 8 1 Base Memory Size Sets the size of the base memory The options are e 512KB e 640 KB default 3 15 8 2 ISA LFB Size Sets the size of the linear frame buffer The options are e Disabled default e 1 MB if selected the ISA LFB Base Address field appears 3 15 8 3 ISA LFB Base Address Reports the base address of the linear frame buffer There are no options This field does not appear
49. if the ISA LFB Size is set to Disabled 3 15 8 4 Video Palette Snoop Controls the ability of a primary PCI graphics controller to share a common palette with an ISA add in video card The options are e Disabled default e Enabled 3 15 8 5 Latency Timer PCI Clocks Sets the length of time an agent on the PCI bus can hold the bus when another agent has requested the bus The units are numbers of PCI clocks Valid numbers are between 0 and 256 The default is 66 3 15 8 6 Onboard Audio Controls the onboard audio if present on the motherboard This field will not appear if the onboard audio is not present The options are e Disabled e Enabled default 3 15 8 7 Bank 0 SIMM Detected Reports the type of memory found in bank 0 There are no options 3 15 8 8 Bank 1 SIMM Detected Reports the type of memory found in bank 1 There are no options 59 VS440FX Motherboard Technical Product Specification 3 15 9 Power Management Configuration Subscreen This section describes the options available on the Power Management Configuration subscreen 3 15 9 1 Advanced Power Management Enables or disables the APM support in the BIOS APM manages power consumption only when used with an APM capable operating system The options are e Disabled none of the following fields in the Advanced Power Management subscreen appear e Enabled default 3 15 9 2 IDE Drive Power Down Sets any IDE drives to spin down when the computer
50. ilable for use by PCI add in cards If an interrupt is marked available the auto configuration code can assign the interrupt to be used by the system If your computer has an ISA add in card that requires an interrupt select Used By ISA Card for that interrupt NOTE IRQs 5 9 10 11 and 12 are the default user available IRQs Depending on the configuration of your system other IRQs may be listed for example if you disable the parallel port and or serial ports 3 15 11 Event Logging Configuration Subscreen This section describes the options available in the Event Logging Configuration subscreen 3 15 11 1 Event Log Status This information field tells whether the log is full or not There are no options 62 BIOS and Setup Utility 3 15 11 2 Log Count Granularity Enter the number of log events that must occur before the event log is updated The default is 10 events 3 15 11 3 Time Granularity Minutes Enter the number of minutes that must pass before the event log is updated The default is 30 minutes 3 15 11 4 Log Control Enables event logging The options are e All Events Enabled default e ECC Events Disabled e AU Events Disabled 3 15 11 5 Clear Log Sets a flag that clears the event log the next time the POST runs The options are e No default e Yes 3 15 11 6 Mark Existing Events Read Marks or does not mark all events already in the log as having been read The options are e No default e Y
51. ing Configuration Gubecreen 62 3 15 12 Security Scree oyee eriin iiaeie Ea ANEREN SEENEN 63 3 15 13 Security Screen Elle EE 64 CEN e m a E A a E A EA EER E ER 65 4 Error Messages and Beep Codes 4 1 BIOS Beep EE 67 4 2 PCI Configuration Error Messages ENNEN 68 43 BIOS e EE 69 4 4 ISA NMI Meeeageg ege NeEER eerie REX eee erede cer eret nid ENEE ee ERE Yn 70 5 Compliance with Specifications Ee ee EI 71 5 2 Online SUPP OM GE 71 Tables 1 ER Elle 31 2 EI Rene ee ER 3 lande 34 4 Jumper Settings for Processor and Host Bus Freouences 34 5 Motherboard Environmental Gpecifcatioms 35 6 DG e le LEE 36 7 Ne T E E E 37 8 Memory Map EE 39 9 IDMA en En 39 10 O O Ma pisani exceninns 40 11 PCI Configuration Space Map EE 42 125 JEE e e RE a A a EE E EE EEN 42 13 Flash Memory Organization EE 43 14 Recommendations for Configuring an ATAPI Device ssseee 44 15 Overview of the Setup Menu Screens ke 48 16 Administrative and User Password Funchons 64 Figures 1 Motherboard Components ot eR Hir he e tbi beu rade uide n reser que redeo via 8 2 Motherboard DImbrnslofts duet tee Ee EO toga Et eem Certe m sees eh rcu ee ord bes trabe 9 3 Back Panel I O Shield with Audio option Dimensions 10 4 Motherboard Bee Le 20 5 Front Panel VO Connectors ee ope niet Rhe elo teda a cp res Ec be 25 6 Back Panel PO Connectors chon rr m proe Ege Ft peto ttn Fa bete m
52. ion Space Map dome eerte eroe e pex RT deeds 42 22S nisus p rc 42 BIOS and Setup Utility Sul nist T L dacade 43 3 2 BIOS Flash Memory Organization ENNEN EEN 43 3 3 BIOS Bee EE 44 ou Ge IR 44 39 5 ee ee Tute E e EE 45 3 6 ISA Plug and EE 45 3 7 Desktop Management Interface 45 3 9 Advanced Power Ee en EE 46 3 9 Advanced Power Gonlrol one te qx o be eret tus ENEE n Rr D HERR A pus UE 47 Kale Ne Ee ET 47 3 11 Boot OPUONS oe eee e e alere sias dE edd etu tan e eoa rq an 47 312 ERES CON pr E 47 3 13 BIOS Setup Access Jumper rit eno len eret ha RR bc e Rel avrei us 48 3 14 Recovering BIOS Dalai test toti Hi eR oett Hire locis Hp liae et aed ead 48 3 15 BIOS Setup Utility tesselen ee egene 48 3 15 1 Overview of the Setup Menu Gcreens ENNEN 48 3 15 2 Main BIOS Setup Screen dese pix ED Eos BR a pde de 49 3 15 3 Floppy Options SUDSCHebfh croce errore etate tope he enne ttes 50 3 15 4 Primary Secondary IDE Master Slave Configuration Subscreens 51 3 15455 Boob Opliolns 9UDSCrBBI E 53 3 15 6 Advanced KE E 56 3 15 7 Peripheral Configuration Gubescreen 57 3 15 8 Advanced Chipset Configuration Subscreen ssseeesss 59 3 15 9 Power Management Configuration Subscreen sseeseessssssssrrerrrrrrrsssrrrree 60 3 15 10 Plug and Play Configuration Subscreen sssseeees 61 Contents 3 15 11 Event Logg
53. is allocated as follows Memory from C0000 C7FFF is automatically shadowed this memory range is typically reserved for video BIOS Memory from C8000 DFFFF is initially unshadowed The BIOS scans this range for any ISA add in cards that may be present and notes their location and size The BIOS then auto configures the PCI devices and Plug and Play devices shadowing their ROM requirements other than video into the area above E0000 If that area becomes full the BIOS continues shadowing to the area between C8000 and DFFFF If an ISA legacy card has non ROM memory requirements the auto configure routine might write into an area that is needed by the ISA card Use the ISA Shared Memory Size and ISA Shared Memory Base Address fields to reserve a block of memory that will not be used for shadowing 3 15 10 4 ISA Shared Memory Base Address Sets the base address for the ISA Shared Memory The options are e C8000h default e CC000h e D0000h e D4000h e D8000h e DC000h The options that appear depend on the ISA Shared Memory Size field The total amount of ISA Shared Memory cannot extend to the E0000h address For example if you specify a size of 64 KB options D4000h D8000h and DC000h will not be available 3 15 10 5 IRQ 3 4 5 7 9 10 11 12 14 15 Sets the status of the IRQ The options are e Available default e Used By ISA Card The PCI auto configuration code uses these settings to determine whether these interrupts are ava
54. lict Serial Port 2 Resource Conflict Static Device Resource Conflict System Board Device Resource Conflict Explanation The Serial ID checksum of a Plug and Play card is invalid The floppy disk controller has requested a resource that is already in use The Extended System Configuration Data ESCD was reinitialized because of an NVRAM checksum error Try rerunning the ICU The Clear CMOS jumper has been moved to the Clear position and CMOS RAM has been cleared Invalid entry in the ESCD The parallel port requested a resource that is already in use More than 15 PCI conflict errors have been detected and no additional PCI errors can be logged Two devices requested the same I O address resulting in a conflict Two devices requested the same IRQ resulting in a conflict Two devices requested the same memory resource resulting in a conflict The designated primary boot device hard disk drive diskette drive or CD ROM drive could not be found The primary IDE controller has requested a resource that is already in use The designated primary input device keyboard mouse or other device if input is redirected could not be found The secondary IDE controller has requested a resource that is already in use Serial Port 1 has requested a resource that is already in use Serial Port 2 has requested a resource that is already in use A non Plug and Play ISA card has requested a resource that is already in use
55. ll Can change all None options options Administrative only Can change all options Can change a limited None number of options User only N A Can change all options User Both Can change all options Can change a limited Administrative or User number of options If no password is set any user can change all Setup options D I Limited options include only system date and time power management hot key User password security hot key and unattended start 3 15 13 Security Screen Options 3 15 13 1 User Password is Reports if there is a User password set There are no options 3 15 13 2 Administrative Password is Reports if there is an Administrative password set There are no options 3 15 13 3 Set User Password Sets the User password The password can be up to seven alphanumeric characters 3 15 13 4 Set Administrative Password Sets the Administrative password The password can be up to seven alphanumeric characters 3 15 13 5 Unattended Start Controls when the security password is requested The User password must be set to enable this field The options are e Enabled the system boots but the keyboard is locked until the User password is entered e Disabled default 3 15 13 6 Security Hot Key CTRL ALT Sets a hot key that locks the keyboard until the User password is entered All alphabetic keys are valid entries for this field When a user presses this key while holding down the lt C
56. mur P LA Co fae PS 2 Mouse Parallel Port MIDI Game Port geen ot owgocwgyo OO PS 2 Serial Port 1 Serial Port2 Line Out Mic In Keyboard Line In USB 2 OM05524 Figure 6 Back Panel I O Connectors 28 1 11 10 1 Serial Port Connectors J1J1 J1K1 Pin c AN OA FW M Signal Name DCD Serial In Serial Out DTR Ground DSR RTS CTS Ground 1 11 10 2 PS 2 Keyboard and Mouse Connectors J1M1 Pin o a Ro hy Signal Name Data No connect Ground 5 V fused Clock No connect 1 11 10 3 Parallel Port Connector J1J2 Motherboard Description Pin ON Oa A OI N 0 on o Signal Name Strobe Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 ACK Busy Error Select Pin 14 15 16 17 18 19 20 21 22 23 24 25 Signal Name Auto Feed Fault INIT SLCT IN Ground Ground Ground Ground Ground Ground Ground Ground 29 VS440FX Motherboard Technical Product Specification 1 11 10 4 USB Connectors J1L1 Pin oO N Signal Name Power USBPO USBP1 USBPO USBP1 Ground 1
57. nel of the motherboard In the Setup program there are four options for parallel port operation 1 8 3 Compatible standard mode Bidirectional PS 2T compatible Bidirectional EPP A driver from the peripheral manufacturer is required for operation Bidirectional high speed ECP Floppy Controller The I O controller is software compatible with the DP8473 and 82077 floppy drive controllers In the Setup program the floppy interface can be configured for the following floppy drive capacities and sizes 360 KB 5 25 inch 1 2 MB 5 25 inch 720 KB 3 5 inch 1 2 MB 3 5 inch driver required 1 25 1 44 MB 3 5 inch 2 88 MB 3 5 inch VS440FX Motherboard Technical Product Specification 1 8 4 Keyboard and Mouse Interface PS 2 keyboard and mouse connectors are located on the back panel of the motherboard The 5 volt lines to these connectors are protected with a PolySwitchf circuit that like a self healing fuse reestablishes the connection after an over current condition is removed While this device eliminates the possibility of having to replace a fuse power to the computer should be turned off before connecting or disconnecting a keyboard or mouse NOTE You can plug the mouse and keyboard into either connector The keyboard controller contains the AMI Megakey keyboard and mouse controller code which provides the traditional keyboard and mouse control functions and also supports Power On Reset password protection A Power
58. o jacks e Management Extension Hardware ASIC 1 3 Form Factor The motherboard is designed to fit into a standard ATX form factor chassis Figure 2 illustrates the mechanical form factor for the motherboard Location of the I O connectors and mounting holes is in strict compliance with the ATX specification refer to Section 5 1 9 60 7 9 20 8 25 Li le 3 10 SE 0 0 0 25 0 0 12 00 0 65 3 75 5 55 11 75 OM05522 Figure 2 Motherboard Dimensions VS440FX Motherboard Technical Product Specification 1 4 UO Shield The back panel I O shield for the VS440FX motherboard must meet specific dimensional and material requirements Computers based on this motherboard need the back panel I O shield in order to pass certification testing Figure 3 shows the critical dimensions for both options of the I O shield and indicates the position of each cutout E 4 610 0 133 e TES 4 1 590 i ELT ase A 1 955 gt lx ppRR o oeo N 0 768 Na 7 4
59. olerance 3 3 V t 596 5 V 5 5 V t5 12 V t5 42V 5 Motherboard Description Table 7 Power Usage DC amps AC watts 3 3V 45V 5V 12 V 12 V APM disabled DOS prompt 53 1 0 5 5 8 0 1 0 6 0 1 Windows 95 54 8 0 8 6 1 0 1 0 6 0 1 Windows NT 31 6 0 4 2 2 0 1 0 6 0 1 APM enabled Typical DOS prompt 53 1 0 5 5 8 0 1 0 6 0 1 Windows 95 31 5 0 8 2 3 0 1 0 6 0 1 Windows NT 31 6 0 4 2 2 0 1 0 6 0 1 APM enabled SMM DOS prompt 27 3 0 4 1 9 0 1 0 4 0 1 Windows 95 26 6 0 8 1 9 0 1 0 4 0 1 Windows NT N A N A N A N A N A N A 1 18 Regulatory Compliance This printed circuit assembly meets the following safety and EMI regulations when correctly installed in a compatible host system 1 18 1 Safety 1 18 1 1 UL 1950 CSA 950 95 3rd edition 28 July 1995 The Standard for Safety of Information Technology Equipment including Electrical Business Equipment USA and Canada 1 18 1 2 CSA C22 2 No 950 93 2nd Edition The Standard for Safety of Information Technology Equipment including Electrical Business Equipment Canada 1 18 1 3 EN 60 950 2nd Edition 1992 with Amendments 1 2 and 3 The Standard for Safety of Information Technology Equipment including Electrical Business Equipment European Union 1 18 1 4 IEC 950 2nd edition 1991 with Amendments 1 2 and 3 The Standard for Safety of Information Technology Equipment including Electrical Business Equipment International 1 18 1 5 EMKO
60. orld Wide Web sites refer to Section 5 2 The disk based Flash upgrade utility FMUP EXE has three options for BIOS upgrades e Update the Flash BIOS from a file on a disk e Copy the current BIOS code from the Flash EEPROM to a disk file as a backup in the event that an upgrade cannot be successfully completed e Compare the BIOS in the Flash device with a file to make sure the system has the correct version The upgrade utility ensures that the upgrade BIOS extension matches the target system to prevent accidentally installing a BIOS for a different type of system 3 4 PCI IDE Support 44 If you select Autoconfiguration in Setup the BIOS automatically sets up the two local bus IDE connectors with independent I O channel support The IDE interface supports PIO Mode 3 and Mode 4 hard drives and recognizes any ATAPI devices including CD ROM drives and tape drives The BIOS determines the capabilities of each drive and configures them to optimize capacity and performance To take advantage of the high capacities typically available today hard drives are automatically configured for LBA and to PIO Mode 3 or 4 depending on the capability of the drive You can override the auto configuration options by specifying manual configuration in Setup The ATAPI Specification recommends that ATAPI devices be configured as shown in Table 14 Table 14 Recommendations for Configuring an ATAPI Device Primary Cable Secondary Cable Drive 0 Driv
61. ower on off through pin 14 of the power supply connector This enables the motherboard to turn off system power through software control To enable soft off control in software APM must be enabled in the Setup program and in the operating system When the system BIOS receives the correct APM command from the operating system the BIOS turns off power to the computer For example in the Windows 95 Start menu the user selects Shutdown to turn off the power 23 VS440FX Motherboard Technical Product Specification With soft off enabled if power to the computer is interrupted by a power outage or a disconnected power cord when power resumes the computer returns to the on or off state it was in before power was interrupted Pin Signal Name 1 3 3 V 2 3 3 V 3 Ground 4 5 V 5 Ground 6 5 V 7 Ground 8 PWRGD Power Good 9 5 VSB Standby 10 12 V 11 3 3 V 12 12V 13 Ground 14 PS ON Power Supply Remote On Off Control 15 Ground 16 Ground 17 Ground 18 5V 19 5 V 20 5 V 1 11 7 Microprocessor Fan Connector J7M1 Pin Signal Name 1 Ground 2 12V 3 Sense tachometer 1 11 8 Auxiliary Fan Connector J9A1 Pin Signal Name 1 Ground 2 12V 3 Sense tachometer 24 1 11 9 The Motherboard Description Front Panel Connectors front panel connector includes headers for these I O connections Speaker Reset switch Power LED Hard drive activity LED Infrared IrDA port Sle
62. pping circuitry e A 16 bit counter timer e SMI interrupt logic and timer with fast on off mode e NMI circuitry 1 7 4 Universal Serial Bus Support The motherboard features two optional USB ports The ports permit the direct connection of two USB peripherals without an external hub If more devices are required an external hub can be connected to either of the built in ports The motherboard fully supports the standard universal host controller interface UHCI and uses standard software drivers that are UHCI compatible Features of the USB include e Self identifying hot pluggable peripherals e Automatic mapping of function to driver and configuration e Support for isochronous and asynchronous transfer types over the same set of wires e Support for up to 127 physical devices e Support for full speed 12 Mbs and low speed 1 5 Mbs USB connections Full speed connections require shielded cabling e Guaranteed bandwidth and low latencies appropriate for telephony audio and other applications e Error handling and fault recovery mechanisms built into protocol 1 7 5 IDE Support The motherboard has two independent bus mastering PCI IDE interfaces that support PIO Mode 3 PIO Mode 4 and ATAPI e g CD ROM devices The BIOS supports Logical Block Addressing LBA and Extended Cylinder Head Sector ECHS translation modes IDE device transfer rate and translation mode are automatically detected by the BIOS Normally programmed
63. rared Data Association IrDA Serial Infrared Data Link Standards e Multimedia PC Level 3 Specification release 1 3 e PCI BIOS Specification revision 2 1 e PCI Local Bus Specification revision 2 1 e Universal Serial Bus Specification revision 1 0 e USB Host Controller Interface Specification revision 1 0 5 2 Online Support Find information about Intel motherboards at this World Wide Web site http www cs intel com oem developer motherbd or from this FTP site ftp ftp intel com pub 71
64. rn on the computer Then turn off the computer and return the jumper to pins 277 29 to restore normal operation If the jumper is in the 25 27 position password disabled you cannot set a password Motherboard Description 1 13 3 Clear CMOS J6D1 This jumper resets areas of non volatile Flash and CMOS memory to default values The default setting for this jumper is pins 20 22 keep CMOS settings To reset the CMOS settings to the default values turn off the computer move the jumper to pins 18 20 then turn on the computer When the computer displays the message NVRAM cleared by jumper turn off the computer and return the jumper to pins 20 22 to restore normal operation 1 13 4 BIOS Setup Access J6D1 This jumper enables or disables access to the Setup program The default setting is pins 28 30 access enabled To disable access to the Setup program move the jumper to pins 26 28 1 13 5 BIOS Recovery J6D1 This jumper lets you recover the BIOS data from a diskette in the event of a catastrophic failure The default setting is pins 4 6 normal operation To recover the BIOS turn off the computer move the jumper to pins 2 4 then turn on the computer to perform BIOS recovery After recovery turn off the computer and return the jumper to pins 4 6 to restore normal operation Refer to Section 3 14 for more details 1 14 Reliability The Mean Time Between Failures MTBF data is calculated from predicted data 55 C
65. rupt generated The options are e Disabled e 64 Sectors Block e 8 Sectors Block e Auto Detected default Check the specifications for your hard disk drive to determine which setting provides optimum performance for your drive 3 15 4 8 Fast Programmed I O Modes Sets how fast the transfers occur on the IDE interface The options are e Disabled transfers occur at a less than optimized speed e Auto Detected transfers occur at the drive s maximum speed default 52 BIOS and Setup Utility 3 15 5 Boot Options Subscreen This section describes the options available on the Boot Options subscreen 3 15 5 1 First Boot Device Sets which drive the system checks first to find an operating system to boot from The options are e Disabled e Floppy default e Hard Disk e CD ROM e Network 3 15 5 2 Second Boot Device Sets which drive the system checks second to find an operating system to boot from The options are e Disabled e Floppy e Hard Disk default e Network 3 15 5 3 Third Boot Device Sets which drive the system checks third to find an operating system to boot from The options are e Disabled default e Floppy e Hard Disk e Network 3 15 5 4 Fourth Boot Device Sets which drive the system checks fourth to find an operating system to boot from The options are e Disabled default e Floppy e Hard Disk e Network 53 VS440FX Motherboard Technical Product Specification 3 15 5
66. scription 00 00 00 Intel 82440FX PMC Host bridge 00 07 00 Intel 82371FB PIIX3 PCI ISA bridge 00 07 01 Intel 82371FB PIIX3 IDE Bus Master 00 07 02 Intel 82371FB PIIX3 USB 00 13 00 PCI Expansion Slot J2D1 00 11 00 PCI Expansion Slot J2D2 00 OF 00 PCI Expansion Slot J2E1 00 0B 00 PCI Expansion Slot J2F1 2 5 Interrupts 42 Table 12 Interrupts IRQ NMI ON OA FW M O a ak wo nM o System Resource I O Channel Check Reserved Interval Timer Reserved Keyboard Buffer Full Reserved Cascade Interrupt from Slave PIC COM2 COM1 Audio if present else user available Floppy Drive LPT1 Real Time Clock Audio if present else user available User available Audio if present else user available Onboard Mouse Port if present audio if present else user available Reserved Math Coprocessor Primary IDE if present else user available Secondary IDE if present audio if present else user available Default but can be changed to another IRQ 3 BIOS and Setup Utility 3 1 Introduction The motherboard uses an Intel BIOS which is stored in Flash EEPROM and can be upgraded using a floppy disk based program In addition to the BIOS the Flash EEPROM contains the Setup utility POST APM the PCI auto configuration utility and Windows 95 ready Plug and Play This motherboard supports system BIOS shadowing allowing the BIOS to execute from 64 bit onboard wri
67. st page mode DRAM which tri states the memory data when CAS negates to precharge for the next memory cycle With EDO DRAM the CAS precharge overlaps the data valid time which allows CAS to negate earlier while still satisfying the memory data valid window 1 6 2 Parity ECC DRAM Memory error checking and correction is supported by parity memory With parity memory the motherboard can be configured to support ECC memory operation Parity SIMMs are automatically detected but you must enter Setup to configure the memory for either Parity or ECC operation Parity memory detects single bit errors ECC memory detects double bit errors and corrects single bit errors Motherboard Description 1 7 Chipset The Intel 82440FX PCIset consists of the 82441FX PCI Bridge and Memory Controller PMC the 82442FX Data Bus Accelerator DB X and one 82371SB PCI ISA IDE Xcelerator PIIX3 bridge chip 1 7 4 82441FX PCI Bridge and Memory Controller PMC The PMC provides all control signals necessary to drive second level cache and main memory including multiplexed address signals It also controls system access to memory and generates snoop controls to maintain cache coherency The PMC comes in a 208 pin QFP package that features e Microprocessor interface control e Integrated L2 write back cache controller 256 or 512 KB direct mapped e Integrated DRAM controller 64 72 bit non interleaved path to memory EDO and fast page DRAM support
68. te protected DRAM The BIOS displays a sign on message during POST identifying the type of BIOS and a five digit revision code The initial production BIOS in the motherboard is identified as 1 00 01 CS1 Information on BIOS functions can be found in the JBM PS 2 and Personal Computer BIOS Technical Reference published by IBM and the SA and EISA Hi Flex AMIBIOS Technical Reference published by AMI Both manuals are available at most technical bookstores 3 2 BIOS Flash Memory Organization The Intel PA28FB200BX 2 Mbit Flash component is organized as 256K x 8 256 KB The Flash device is divided into eight areas as described in Table 13 Table 13 Flash Memory Organization System Address Hex Size Description FFFF0000 FFFFFFFF 64 KB Main BIOS FFFECOO00 FFFEFFFF 16 KB Boot Block available as UMB FFFEAO000 FFFEBFFF 8KB VPD ESCD DMI configuration data Plug and Play data FFFE9000 FFFE9FFF 4 KB Reserved for BIOS FFFE8000 FFFE8FFF 4 KB OEM logo or Scan User Flash FFFEO0000 FFFE7FFF 32 KB POST BIOS available as UMB FFFD0000 FFFDFFFF 64 KB Reserved for BIOS FFFCO0000 FFFCFFFF 64 KB Reserved for BIOS 43 VS440FX Motherboard Technical Product Specification 3 3 BIOS Upgrades Flash memory simplifies distributing BIOS upgrades You can install a new version of the BIOS from a diskette BIOS upgrades are available to be downloaded from the secure section on the Intel bulletin board or from Intel s FTP or W
69. tility e 12 seconds e 5 seconds e 21 seconds e 30 seconds 3 15 5 11 Typematic Rate Programming Sets the typematic rates The options are e Default default e Override lets you enter Typematic Rate Delay and Typematic Rate options 3 15 5 12 Typematic Rate Delay Sets the delay time before the key repeat function starts when you hold down a key on the keyboard If Typematic Rate Programming is set to Default this option will not be visible The options are e 250 milliseconds default e 500 milliseconds e 750 milliseconds e 1000 milliseconds 3 15 5 13 Typematic Rate Sets the speed at which characters repeat when you hold down a key on the keyboard The higher the number the faster the characters repeat If Typematic Rate Programming is set to Default this option will not be visible The options are e 6char s default e Schar s e 10 char s e 2 char s e 15 char s e 20 char s e 24 char s e 30 char s 3 15 5 14 Scan User Flash Area Scans the user Flash area The options are e Disabled default e Enabled 55 VS440FX Motherboard Technical Product Specification 3 15 6 Advanced Screen This section describes the Setup options found on the Advanced menu screen If you select certain options from the Advanced screen e g Peripheral Configuration the Setup program switches to a subscreen for the selected option Subscreens are described in the sections following the description of the Advanced scr
70. trl gt and lt Alt gt keys the keyboard locks and the keyboard LEDs flash to indicate that the keyboard is locked When you enter the User password to unlock the keyboard you do not have to press lt Enter gt 64 BIOS and Setup Utility lt gt NOTE If you set the Security hot key and the APM hot key refer to Section 3 15 9 5 to the same key the APM function has priority 3 15 14 Exit Screen This section describes how to exit Setup with or without saving the changes you have made 3 15 14 1 Exit Saving Changes Exits Setup and saves the changes in CMOS RAM You can also press the lt F10 gt key anywhere in the Setup utility to do this 3 15 14 2 Exit Discarding Changes Exits Setup program without saving any changes This means that any changes you have made while in Setup are discarded and not saved Pressing the lt Esc gt key in any of the four main screens will also exit and discard changes 3 15 14 3 Load Setup Defaults Returns all of the Setup options to their defaults The default Setup values are loaded from the ROM table You can also press the lt F5 gt key anywhere in Setup to load the defaults 3 15 14 4 Discard Changes Discards any changes made up to this point in Setup without exiting Setup This selection loads the CMOS RAM values that were present when the system was turned on You can also press the F6 key anywhere in Setup to discard changes 65 4 Error Messages and Beep Codes 4 1
71. trol that allows the system to be powered on when an incoming POTS call is received on a telephony device configured for operation on COMI 3 10 Language Support The BIOS Setup utility and help messages are supported in 32 languages Five languages are available at this time for use American English German Italian French and Spanish Translations of other languages may become available at a later date With a 2 Mb Flash BIOS only two languages can be resident at a time The default language is American English which is always present unless another language is programmed into the BIOS using the Flash Memory Update Program FMUP EXE Refer to Section 5 2 for information about downloading FMUP and other utilities 3 11 Boot Options Booting from CD ROM is supported in adherence to the El Torito bootable CD ROM format specification developed by Phoenix Technologies and IBM Under the Boot Options field in Setup CD ROM is one of four possible boot devices which are defined in priority order The default setting is for the floppy drive to be the primary boot device and the hard drive to be the secondary boot device By default the third and fourth devices are disabled If you select CD ROM as the boot device it must be the first device NOTE A copy of El Torito is available on the Phoenix Web site http www ptltd com techs specs html In Setup you can also select the network as a boot device which allows booting from a
72. y the IDE drive must be connected to the onboard IDE controller on the motherboard 1 11 9 6 Sleep Power LED You can connect this header to an LED that will light when the computer is powered on This LED will also blink when the computer is in a power managed state 1 11 9 7 Reset You can connect this header to a momentary SPST type switch that is normally open When the switch is closed the board resets and runs the POST 1 11 9 8 Speaker A speaker may be installed on the motherboard as a manufacturing option The speaker option includes a jumper on pins 26 27 of the front panel connector You can disable the onboard speaker by removing the jumper and you can connect an offboard speaker in its place The speaker onboard or offboard provides error beep code information during the POST in the event that the computer cannot use the video interface The speaker is not connected to the audio subsystem and does not receive output from the audio subsystem 1 11 10 Back Panel Connectors Figure 6 shows the location of the back panel I O connectors which include e Two serial ports e PS 2 style keyboard and mouse connectors e One parallel port e Two USB connectors optional e External audio jacks Line In Line Out and Mic In optional e MIDI game port optional 27 VS440FX Motherboard Technical Product Specification

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