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intel LM440LX NLX motherboard Manual

1. 6 225 0 00 0 20 l 7 80 0 45 0 00 3 40 7 34 OM06337a Figure 2 Motherboard Dimensions Motherboard Description 1 3 I O Shield 10 The back panel I O shield for the motherboard must meet specific dimensional and material requirements Computers built with this motherboard need the I O shield to pass EMI certification testing Figure 3 shows the critical dimensions for the I O shield and indicates the position of each cutout For more chassis design requirements see the NLX specification see Section 6 2 0 168 0 570 1 175 1 838 2 504 3 179 4 532 7 274 OM06463 Figure 3 Back Panel I O Shield Dimensions LM440LX NLX Motherboard Technical Product Specification 1 4 Microprocessor The motherboard supports a single Pentium II processor The processor s VID pins automatically program the motherboard s voltage regulator to the required processor voltage The motherboard operates with processors that run internally at 233 266 or 300 MHz and run externally at 66 MHz host bus speed with either a 256 KB or 512 KB second level cache The processor implements MMX technology and maintains full backward compatibility with the 8086 80286 Intel386 Intel486 and Pentium processor The processor s nu
2. STT 9 03 80 9 o EN een A B C D E F G OM06338a A Microphone Input F Serial Port B B Line Out G Serial Port A C USB H Parallel Port D Mouse Keyboard VGA Video E Mouse Keyboard Figure 5 Back Panel I O Connectors 22 LM440LX NLX Motherboard Technical Product Specification 1 12 Configuration Jumpers Figure 6 shows the location of the microphone input and configuration jumper blocks on the motherboard OM06339a A Microphone input select jumper B Configuration jumper Figure 6 Jumper Block Locations Table 4 Jumper Settings Function Jumper Block Configuration Mic In Selection J8H1 1 2 Front panel Mic In 2 3 Back panel Mic In default Configuration J6C1 1 2 Normal default 2 3 Configure none Recovery N 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 Changing the jumper settings when the power is off ensures that the changes will be recognized 23 Motherboard Description 1 12 1 Mic In Selection Connect pins 1 2 with a jumper on the Mic In selection jumper block J8H1 to route the Mic In input through the riser and disable Mic In through the back panel
3. An integrated ambient temperature sensor Fan speed sensors Power supply voltage monitoring to detect levels above or below acceptable values Remote reset capabilities from a remote peer or server through LANDesk Client Manager Version 3 0 and service layers when available When suggested ratings for temperature fan speed or voltage are exceeded an interrupt is activated The hardware monitor component LM79 connects to the system management bus For more information on the LM79 see http www national com LM440LX NLX Motherboard Technical Product Specification 1 10 Motherboard Connectors Figure 4 shows the connectors on the motherboard food S U O OM06341a A Supplemental connector D Fan connector B Riser connector E DIMM sockets C CPU slot Figure 4 Motherboard Connectors Table 3 Fan connector J3A1 Pin Signal Name 1 GND 2 12V 3 Tachometer 21 Motherboard Description 1 11 Back Panel Connectors Figure 5 shows the back panel I O connectors
4. Key Click Enables the key click option Keyboard Auto repeat Rate Selects the key repeat rate Keyboard Auto repeat Delay Selects the delay before key repeat 4 3 4 Video Configuration Submenu Table 28 Video Configuration Submenu Feature Options Description Palette Snooping e Disabled default Controls the ability of a primary PCI graphics e Enabled controller to share a common palette with an ISA add in video card 4 3 5 DMI Event Logging Submenu Table 29 DMI Event Logging Submenu Feature Options Description Event Log Capacity None Indicates if there is space available in the event log Event Log Validity None Indicates if the contents of the event log are valid View DMI Event Log None Enables viewing of DMI Event Log Clear All DMI Event Logs No default Clears the DMI Event Log after rebooting e Yes Event Logging e Disabled Enables logging of DMI events e Enabled default ECC Event Logging e Disabled default Enables logging of ECC events e Enabled Mark DMI Events as read None Marks all DMI events as read 4 4 Security Menu LM440LX NLX Motherboard Technical Product Specification This menu is used for setting passwords and security features for the computer Table 30 Security Menu Feature User Password Is Supervisor Password Is Set User Password Set Supervisor Password Clear User Password User Setup Access Unattended Start 4 5 Power Menu Options None None Password can be up
5. Delayed transactions PCI parity checking and generation support Data Buffering Host to DRAM PCI to DRAM and A G P to DRAM write data buffering Write combining for host to PCI burst writes Supports concurrent host PCI and A G P transactions to main memory Supports system management mode SMM Motherboard Description 1 6 2 The PIIX4 is a multifunction PCI device implementing the PCI to ISA bridge PCI IDE functionality Universal Serial Bus USB host hub function and enhanced power management The PIIX4 features Intel 82371AB PCI ISA IDE Xcelerator PIIX4 Multifunction PCI to ISA bridge Supports the PCI bus at 33 MHz Complies with PCI specification see Section 6 2 for specification information Full ISA or extended I O EIO bus support USB controller Two USB ports see Section 6 2 for compliance level Supports legacy keyboard and mouse Supports universal host controller interface UHCD design guide revision 1 1 interface Integrated dual channel enhanced IDE interface Supports up to four IDE devices PIO Mode 4 transfers at up to 14 MB sec Supports Ultra DMA 33 synchronous DMA mode transfers up to 33 MB sec Bus master mode with an 8 x 32 bit buffer for bus master PCI IDE burst transfers Enhanced DMA controller Two 8237 based DMA controllers Supports PCI DMA with three PC PCI channels and distributed DMA protocols Fast type F DMA for reduced PCI
6. Restore on AC Power Loss On Modem Ring On LAN QuickBoot Mode Scan User Flash Area First Boot Device Second Boot Device Third Boot Device Fourth Boot Device Fifth Boot Device Hard Drive submenu Removable Devices submenu Options Stay Off Last State default Power On Stay Off Power On default Stay Off Power On default Disabled Enabled default Disabled default Enabled Removable devices Hard Drive ATAPI CD ROM Drive Network boot LANDesk Service Agent None None Description Specifies action following a power failure if computer is powered on Stay Off keeps power off until power button pressed Last State restores previous power state before power was lost Power On restores power to the system Specifies action of computer when power is off and an incoming call is detected on an installed modem Specifies action of computer when power is off and Magic Packett activity is detected Decreases boot time by skipping certain system tests during boot Allows the BIOS to scan the Flash ROM for user binaries Specifies the boot sequence from the available devices To specify boot sequence 1 Select the boot device with lt T gt or lt J gt 2 Press lt gt to move the device up the list or lt gt to move the device down the list The operating system assigns drive letters to the devices in the order listed The order and therefore the drive lettering ca
7. for ECP or EPP Audio 4 Reserved Cascade Channel 5 16 bits Open 6 16 bits Open 7 16 bits Open 31 Motherboard Resources 2 3 1 0 Map Table 12 UO Map Address hex Size 0000 OOOF 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 00B2 00B3 2 bytes 00CO 00DE 31 bytes OOFO 1 byte 0170 0177 8 bytes 01F0 01F7 8 bytes 0200 0207 8 bytes 0220 022F 16 bytes 0240 024F 16 bytes 0278 027F 8 bytes 02E8 02EF 8 bytes 02F8 02FF 8 bytes 0300 0301 2 bytes 0330 0331 2 bytes 0332 0333 2 bytes 0334 0335 2 bytes 0376 1 byte 0377 1 byte 0377 bit 7 1 bit 0377 bits 6 0 7 bits 0378 037F 8 bytes 0388 038D 6 bytes 32 Description PIIX4 DMA 1 PIIX4 interrupt controller 1 I O controller configuration registers PIIX4 Counter Timer 1 PIIX4 Counter Timer 2 Keyboard Controller Byte Reset IRQ PIIX4 NMI Speaker Control Keyboard controller CMD STAT Byte PIIX4 enable NMI PIIX4 real time clock address PIIX4 real time clock data Reserved motherboard configuration Reserved motherboard configuration PIIX4 DMA page registers PIIX4 interrupt controller 2 APM control PIIX4 DMA 2 Reset numeric error Secondary IDE channel Primary IDE channel Audio Audio Sound Blaster
8. operating system is not selected in Setup the BIOS autoconfigures all Plug and Play ISA cards 3 7 ISA Legacy Devices Since ISA legacy devices are not autoconfigurable the resources for them must be reserved Resources can be reserved in the Setup program 39 Overview of BIOS Features 3 8 Desktop Management Interface DMl Desktop Management Interface DMI is an interface for managing computers in an enterprise environment 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 and installation dates for system components The MIF database defines the data and provides the method for accessing this information The BIOS enables applications such as Intel LANDesk Client Manager to use DMI The BIOS stores and reports the following DMI information e BIOS data such as the BIOS revision level e Fixed system data such as peripherals serial numbers and asset tags e Resource data such as memory size cache size and processor speed e Dynamic data such as event detection and error logging OEMs can use a utility that programs flash memory so the BIOS can report on system and chassis information This utility is available through Intel sales offices See Section 6 2 for information about contacting a local Intel sales office See Section 6 2 for
9. 1 6 4 Universal Serial Bus USB ccoo 16 1 6 5 IDE SUD POM ere Eeer 16 1 6 6 Real time Clock CMOS SRAM and Battery 0 eseeeeeeeeeeeeeeeeees 16 1 7 VO Interface Controller cotos ica Eege Eege 17 1 7 1 Serial POMS oil 17 1 7 2 Parallel Portas ici nas 17 1 7 3 Floppy Controller 17 1 7 4 PS 2 Keyboard and Mouse Interface oooccccccccnnnccooccccnnnnccnnnananoncnnnnncnnnnnnns 18 1 8 Audio SUBSYSIOM cocida tee aden 18 1 8 1 REENERT EE 18 1 8 2 Audio Subsystem RESOurces miii is 19 18 3 Audio Drivers and Utilities AEN 19 1 8 4 Audio CONNECTIONS csi cir lt oc 20 19 Hardware MONTO Geesse eon sates coon stent EE 20 1 10 Motherboard GonmeCiOrs omic vaiwdebiweures sxucinoetauereas NEEN Ee 21 Tall Back Panel CONOCIO Suert eos 22 1 12 Configuration JUMPEIS deviantart 23 121 Mic ln Sole cc ISA ti rl aa 24 1 12 2 Normal Mode BOT 24 1 12 3 Configuration Mode JET aciosiaciariitan mcr 24 1 12 4 Recovery Mode LB 24 1 13 NLX Gard Edge COmecdtors iii 25 1 13 1 NLX Riser with Supplemental Connector ooccocccccncccccccccononannanccnnnncnnnnnnnnnnnnos 26 geleed nt is 27 5 Environmental EE 27 6 Power COMSUMPRON EE 28 1 16 1 Power Supply Considerations ooooocccnnncccnnccooocnccnnncccnnnnannnnnncnnncnnnnnnnnnnnnn cnn 28 1 17 Regulatory engl 29 1 17 1 Product Certification Markings AAA 29 Contents 2 Motherboard Resources 2d Memory Map tae Acad ales us see aah tes dados 31 E Ce 31 roa a FOS fe E 3
10. Port if present else user available Reserved Math Coprocessor Primary IDE if present else user available Secondary IDE if present else user available Default but can be changed to another IRQ LM440LX NLX Motherboard Technical Product Specification 2 6 PCI Interrupt Routing Map The PCI specification enables devices attached to the PCI bus to share interrupts In most cases the small amount of latency added by interrupt sharing does not affect the operation or throughput of the devices However to achieve the maximum performance of a device a dedicated IRQ can be specified in Setup to prevent interrupt sharing This section describes how the interrupt sharing mechanism works and how the interrupt signals are connected to the PCI expansion slots on an NLX riser card and installed PCI devices This information can be used to specify the interrupt scheme for PCI add in cards PCI devices are categorized by interrupt groupings as follows e INTA By default all add in cards that require only one interrupt are in this category For almost all cards that require more than one interrupt the first interrupt on the card is also classified as INTA e INTB Generally the second interrupt on add in cards that require two or more interrupts is classified as INTB This is not an absolute requirement e INTC and INTD Generally a third interrupt on add in cards is classified as INTC and a fourth interrupt is classified as INTD The
11. bus usage Interrupt controller based on 82C59 Supports 15 interrupts Programmable for edge level sensitivity Power management logic Sleep resume logic Supports thermal alarm Supports wake on modem through Ring Indicate input Supports Wake on LAN Real time Clock 256 byte battery backed CMOS SRAM Includes date alarm 16 bit counters timers based on 82C54 LM440LX NLX Motherboard Technical Product Specification 1 6 3 Accelerated Graphics Port A G P A G P is a high performance interconnect for graphic intensive applications such as 3D applications A G P is independent of the PCI bus and is intended for exclusive use with graphical display devices A G P provides these performance features e Pipelined memory read and write operations that hide memory access latency e Demultiplexing of address and data on the bus for near 100 bus efficiency e AC timing for 66 MHz data transfer rates allowing data throughput of 250 MB sec A G P complies with the 66 MHz PCI specification See Section 6 2 for information about the A G P and PCI specifications 1 6 3 1 Cirrus Logic CL GD5465 A G P graphics accelerator The CL GD5465 supports A G P for higher bandwidth between the system memory and the graphics subsystem It is a member of the Laguna family of RAMBUS based graphics accelerators offering 3D graphics capability while maintaining a high level of 2D performance The features include
12. for the specification A higher wattage power supply should be used for heavily loaded configurations The power supply must comply with the following recommendations found in the indicated sections of the NLX power supply specification e The potential relation between 3 3VDC and 5VDC power rails Section 4 2 e The current capability of the 5VSB line Section 4 2 1 2 e All timing parameters Section 4 2 1 3 e All voltage tolerances Section 4 2 2 LM440LX NLX Motherboard Technical Product Specification 1 17 Regulatory Compliance This printed circuit board assembly complies with the following safety and EMI regulations when correctly installed in a compatible host system Table 8 Regulation Safety Regulations Title UL 1950 CSA 950 95 3rd edition The Standard for Safety of Information Technology Equipment Dated 07 28 95 including Electrical Business Equipment USA amp Canada CSA C22 2 No 950 95 3rd edition The Standard for Safety of Information Technology Equipment Dated 07 28 95 including Electrical Business Equipment Canada EN 60 950 2nd edition 1992 with The Standard for Safety of Information Technology Equipment Amendments 1 2 amp 3 IEC 950 2nd edition 1991 with Amendments 1 4 EMKO TSE 74 SEC 207 94 Table 9 EMI Regulations 1 17 1 Regulation FCC Class B CISPR 22 2nd Edition 1993 EN 55 022 1995 EN 50 082 1 1992 VCCI Class 2 ITE ICES 003 Issue 2
13. of system motherboard 5 2 Port 80h POST Codes During the POST the BIOS generates diagnostic progress codes POST codes to I O port 80h If the POST fails execution stops and the last POST code generated is left at port 80h This code is useful for determining the point where an error occurred 58 Displaying the POST codes requires an add in card often called a POST card The POST card can decode the port and display the contents on a medium such as a seven segment display These cards can be purchased from JDR Microdevices or other sources The following table provides the POST codes that can be generated by the BIOS Some codes are repeated in the table because that code applies to more than one operation Table 37 Port 80h Codes Code Description of POST Operation 02h Verify real mode 03h Disable non maskable interrupt NMI 04h Get processor type 06h Initialize system hardware 08h Initialize AGPset with initial POST values 09h Set IN POST flag OAh Initialize CPU registers OBh Enable CPU cache OCh Initialize caches to initial POST values OEh Initialize UO component OFh Initialize the local bus IDE continued EF LM440LX NLX Motherboard Technical Product Specification Table 37 Port 80h Codes continued Code 10h 11h 12h 13h 14h 16h 17h 18h 1Ah 1Ch 20h 22h 24h 26h 28h 29h 2Ah 2Ch 2Eh 2Fh 30h 32h 33h 34h 35h 36h 37h 38h 39h 3Ah 3Ch 3Dh 40h 42h 44h 45h 46h Description of POS
14. section describes how to exit the Setup program The screen features have no options Table 35 Exit Menu Feature Exit Saving Changes Exit Discarding Changes Load Setup Defaults Load Custom Defaults Save Custom Defaults Discard Changes Description Exits Setup and saves the changes in CMOS RAM Exits Setup program without saving any changes Any changes made in Setup are not saved Returns all of the Setup options to their defaults The default Setup values are loaded from the ROM table Loads the setup settings from the Custom Defaults Normally the BIOS reads the setup settings from flash memory If this memory is corrupted the BIOS uses the custom defaults If no custom defaults are set the BIOS uses the factory defaults Discards any changes made without exiting Setup The option values that were present when the computer was turned on are used 55 BIOS Setup Program 56 5 Error Messages and Beep Codes 5 1 BIOS Error Messages Table 36 BIOS Error Messages Error Message Diskette drive A error or Diskette drive B error Extended RAM Failed at offset nnnn Failing Bits nnnn Fixed Disk 0 Failure or Fixed Disk 1 Failure or Fixed Disk Controller Failure Incorrect Drive A type run SETUP Incorrect Drive B type run SETUP Invalid NVRAM media type Keyboard controller error Keyboard error Keyboard error nn Keyboard locked Unlock key switch Monitor type does not match CMOS R
15. to seven alphanumeric characters Password can be up to seven alphanumeric characters None e Enabled default e Disabled e Disabled default e Enabled Description Reports if there is a user password set Reports if there is a supervisor password set Sets the user password Sets the supervisor password Pressing enter clears the user password Disable prevents the user from accessing setup Sets the unattended start feature When enabled the computer boots but the keyboard is locked Entering the user password unlocks the computer The user password is required to boot from a floppy diskette This menu is used for setting power management features for the computer Table 31 Power Menu Feature Power Management Inactivity Timer Hard Drive VESA Video Power Down Options e Disabled Enabled default Off default 1 Minute 2 Minutes 4 Minutes 6 Minutes 8 Minutes 12 Minutes 16 Minutes Disabled Enabled default e Disabled e Enabled default Description Enables or disables the BIOS power management feature Sets the amount of time before the computer enters standby mode Enables the hard disks to be power managed during standby and suspend modes Enables power management for video during standby and suspend modes 53 BIOS Setup Program 4 6 Boot Menu This menu is used for setting the boot features for the computer 54 Table 32 Boot Menu Feature
16. 0h 91h 92h 93h 94h 95h 96h 97h 98h 99h 9Ah 9Ch 9Eh 9Fh AOh A2h A4h A8h AAh ACh AEh Boh B2h B4h B5h B6h B8h B9h Description of POST Operation Currently In Progress Detect and install external parallel ports Initialize PC compatible PnP ISA devices Re initialize onboard I O ports Configure motherboard configurable devices Initialize BIOS Data Area Enable Non Maskable Interrupts NMIs Initialize extended BIOS data area Test and initialize PS 2 mouse Initialize floppy controller Determine number of ATA drives Initialize hard disk controllers Initialize local bus hard disk controllers Jump to UserPatch2 Build MPTABLE for multiprocessor boards Disable A20 address line Rel 5 1 and earlier Install CD ROM for boot Clear huge ES segment register Fix up multiprocessor table Search for option ROMs Check for SMART Drive Shadow option ROMs Set up power management Enable hardware interrupts Determine number of ATA and SCSI drives Set time of day Check key lock Initialize typematic rate Erase F2 prompt Scan for F2 key stroke Enter SETUP Clear IN POST flag Check for errors POST done prepare to boot operating system One short beep before boot Terminate QuietBoot Check password optional Clear global descriptor table Clean up all graphics continued 61 Error Messages and Beep Codes 62 Table 37 Port 80h Codes continued Code BAh BBh BCh BDh BEh BFh COh Cth C2h C
17. 2 2 4 PCI Configuration Space TE 34 2 MEUS e tas 34 2 62 PCL Interrupt Outing Maps EE 34 Overview of BIOS Features Sl INTO TOM acts he aes a et Peet ea eet ec te cele to tata ate ke rt deste 37 2 BIOS Upgrades tcs da 37 3 3 BIOS Flash Memory Organmtzaton ono nnncnnnnnnnnnnnnnnnnncnnnnnn 38 3 4 Plug and Play PELADO contiguas aa ii 38 oo PRNIDESUPpOrE Socia ida a ess 38 lie Ee 39 3 7 ISA Legacy RE 39 3 8 Desktop Management Interface DMI ENEE 40 3 9 Advanced Power Management ADM 40 310 AIA SUPPO Ua os ssc eset ec ale seeded De cies a Sire ral eee are da ena date eed meee we 41 3 11 LEHNEN e fe acetic Moca ee 41 2412 EENEG ota asi 41 3 13 USB Legacy SUBO es Dd its as a Ee e EnEn 42 3 14 BIOS Setup ACOSO 43 3 15 Recovering BIOS ee 43 BIOS Setup Program 4 1 Maintenance MON 45 42 Mam Eer EE 46 4 2 1 Floppy Options Submenu ula ld old 47 4 2 2 IDE Device Configuration Gubmenus 48 43 Adv ced IW GEM cta iaa 49 4 3 1 Resource Configuration SUDMENU cccccccnnncnononcncnnncnonnncnnnnnnnncncnnnncnnnnnnnnnnnnos 50 4 3 2 Peripheral Configuration SUDMENU ENNEN 50 4 3 3 Keyboard Configuration SubMenu ooooooccccnnncccononononanonncnnnncnnnnnnnnnnnncnnnnnnnnnnnns 52 4 3 4 Video Configuration Submenu osa retereureuncdianee wees 52 4 3 5 DMI Event Logging SUDMeMU ENEE 52 4 41 Security Menu iS 53 4 5 e ET EE 53 BB OOD CME seca dbs tr 54 4 6 1 Hard Drive SU th sg en a os aa tah fa dida 55 4 6 2 Removable Devices Gubmen ke EEN 55 A 55
18. 3h C4h E0h Eth E2h E3h E4h E5h E6h E7h E8h E9h EAh EBh ECh EDh EEh EFh FOh Fih F2h F3h F4h F5h F6h F7h Description of POST Operation Currently In Progress Initialize DMI parameters Initialize PnP Option ROMs Clear parity checkers Display MultiBoot menu Clear screen optional Check virus and backup reminders Try to boot with INT 19 Initialize POST Error Manager PEM Initialize error logging Initialize error display function Initialize system error handler Initialize the AGPset Initialize the bridge Initialize the processor Initialize system timer Initialize system I O Check force recovery boot Checksum BIOS ROM Go to BIOS Set huge segment Initialize multiprocessor Initialize OEM special code Initialize PIC and DMA Initialize memory type Initialize memory size Shadow boot block System memory test Initialize interrupt vectors Initialize runtime clock Initialize video Initialize beeper Initialize boot Clear huge segment Boot to mini DOS Boot to full DOS LM440LX NLX Motherboard Technical Product Specification 5 3 BIOS Beep Codes Beeps codes represent a terminal error If the BIOS detects a terminal error condition it outputs an error beep code halts the POST and attempts to display a port 80h code on the POST card s LED display Table 38 Beeps y 1 2 1 2 2 3 1 3 1 1 1 3 1 3 1 3 4 1 1 3 4 3 1 4 1 1 2 1 2 3 2 2 3 1 hexadecimal number Beep Codes 80h Code Descri
19. Analog 1V RMS Not Supported TTL l Not Supported TTL NA Ground NA l Not Supported open drain NA Reserved NA NA Reserved NA NA Reserved NA NA Low pass filtered ground for audio circuitry on NA the riser O Pre amplified microphone mono output signal Analog from motherboard to telephony device 1V RMS l CD ROM line in right Analog 1V RMS l Isolated CD ROM Ground NA O Clean power from the motherboard to audio 5 9V DC circuitry on the NLX riser could be an isolated power source 1 5 Ampere max limitation because of the connector gold finger limitation O Analog line out right Analog 1V RMS Not Supported TTL Not Supported TTL O Not Supported TTL Not Supported TTL NA Digital main motherboard ground plane NA O Not Supported TTL O Not Supported TTL Not Supported TTL O Analog mono output signal from telephony Analog device to motherboard 1V RMS O output from motherboard to riser I input from riser to motherboard 1 14 Reliability The Mean Time Between Failures MTBF data is calculated from predicted data at 55 C LM440LX NLX Motherboard Technical Product Specification Motherboard MTBF 131 473 hours 1 15 Environmental Table 6 Motherboard Environmental Specifications Parameter Temperature Non Operating Operating Shock Unpackaged Packaged Vibration Unpackaged Packaged Specification 40 C to 70 C 0 C to 55 C 50 G trapezoidal waveform Velocity change
20. Connect pins 2 3 with a jumper on the Mic In selection jumper block to route the Mic In input through the back panel and disable Mic In through the riser 1 12 2 Normal Mode This mode is for normal computer booting and operations Connect pins 1 and 2 with a jumper on the configuration jumper block J6C1 to enable this mode The BIOS uses the current bus processor frequency ratio configuration information and passwords to boot the computer Access to the Setup program can be restricted using a supervisor or user password In normal mode the BIOS attempts an automatic recovery if the configuration information in CMOS RAM is corrupted 1 12 3 Configure Mode This mode is for configuring special BIOS settings including processor speed and special maintenance options This mode is used when upgrading the BIOS upgrading the processor or clearing the passwords Connect pins 2 and 3 with a jumper on the configuration jumper block J6C1 to enable this mode In this mode Setup automatically executes after the POST runs No password is required and this mode overrides any passwords that are set The Maintenance menu is the first menu displayed This menu provides options for setting the processor speed and clearing passwords All other Setup screens are available Configure mode uses the default BIOS settings for booting not the current user or supervisor settings The default settings include using the lowest bus processor frequency ratio the pro
21. Contents 5 Error Messages and Beep Codes 5 1 BIOS Error Messages stats de 57 5 2 Ron OOM POSTAS oscila 58 E See EE 63 6 Specifications and Customer Support Gel Online SUPPO atisbo 65 6 2 EES 65 Figures 1 Motherboard GOMPONGMiS curar 8 2 Motherboard DIMENSION Sta ad 9 3 Back Panel 1 0 Shield DIMENSIONS oia 10 4 Motherboard Been et siria ada Sanu 21 5 Back Panel VEER ee a n 22 6 Jumper Locations EE 23 Tables 1 Supported Drivers and ResolutiONS cccccooioiiaciaicarci ricardo gai 15 2 Audio Subsystem Resources ENNEN 19 S o Ran CORNECCIO JA ae nta 21 O iets earned aie ee 23 5 Signals NLX Riser with Supplemental Connector DO 26 6 Motherboard Environmental Specifications ooooooccccnnnnncnnncconoccccnnncnoncnnnannnanancccnnnnn 27 hs Power US Iii a ds 28 8 Safety Regulations cota sacras sass 29 Os EMI Reg latiohS a Aia 29 10 Memory Map EE 31 KEN e E Ren 31 12 WO Wares ads n r eel 32 13 PCI Configuration Space Maicao 34 e EE Ee 34 152 PC Interrupt Routing Maps tica add 35 16 Flash Memory Organization count ta Os ec 38 17 Recommendations for Configuring an ATAPI Device oooccccnnconoccccccncccnnnnnannnanncccnnnnnns 39 18 Setup Menu A A A Nn eda aA ade 45 19 EE FUNCION EE 45 20 Maintenance Mel coast ra a it a 46 2le IMA Mesa aorta iba 46 22 Floppy E ele E EE 47 23 IDE Device Configuration SUDMENUS ENNEN 48 24 Advanced Mer Lat roads escala 49 25 Resource Configuration Submen
22. DRAM RAMBUSt video memory Other features e Plug and Play compatible e Support for Advanced Configuration and Power Interface ACPI and Advanced Power Management APM Software drivers and utilities are available from Intel Motherboard Description Figure 1 shows the general location of the components on the motherboard OM06340a A Back panel connectors J NLX riser edge connector B Supplemental edge connector K National Semiconductor LM79 hardware monitor C SMC FDC37C677 I O controller L Slot 1 connector D Microphone input select jumper M Fan connector E Yamaha OPL3 SA3 audio codec N Intel 82443LX PCI A G P controller F Flash memory O DIMM sockets G Intel 82371AB PCI ISA IDE Xcelerator PIIX4 P Cirrus Logic CL GD5465 A G P graphics accelerator H Configuration jumper Q Battery Speaker R RAMBUS memory Figure 1 Motherboard Components LM440LX NLX Motherboard Technical Product Specification 1 2 Form Factor The motherboard is designed to fit into a standard NLX form factor chassis Figure 2 illustrates the mechanical form factor for the motherboard Location of the I O connectors riser connector and mounting holes is in strict compliance with the NLX I O Shield Design Suggestions specification see Section 6 2
23. ESCD Plug and Play data FFFF9000 FFFF9FFF 4 KB Used by BIOS e g for event logging FFFF8000 FFFF8FFF 4 KB OEM logo or scan flash area FFFC0000 FFFF7FFF 224 KB Main BIOS Block 3 4 Plug and Play PCI Autoconfiguration 38 The BIOS automatically configures PCI devices and Plug and Play devices PCI devices may be onboard or add in cards Plug and Play devices are ISA add in cards built to meet the Plug and Play specification Autoconfiguration lets a user insert or remove PCI or Plug and Play cards without having to configure the system When a user turns on the system after adding a PCI or Plug and Play card the BIOS automatically configures interrupts the I O space and other system resources Any interrupts set to Available in Setup are considered to be available for use by the add in card PCI interrupts are distributed to available ISA interrupts that have not been assigned to an ISA card or to system resources The assignment of PCI interrupts to ISA IRQs is non deterministic PCI devices can share an interrupt but an ISA device cannot share an interrupt allocated to PCI or to another ISA device Autoconfiguration information is stored in the extended system configuration data ESCD format For information about the versions of PCI and Plug and Play supported by this BIOS see Section 6 2 Copies of the specifications can be obtained from the Intel World Wide Web site see Section 6 2 LM440LX NLX Motherboard Technical P
24. LM440LX NLX Motherboard Technical Product Specification October 1997 I n E Order Number 685521 001 The LM440LX NLX motherboard may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characterized errata are documented in the LM440LX NLX Motherboard Specification Update Revision History Revision Revision History Date 001 First release of LM440LX Technical Product Specification October 1997 This product specification applies only to standard LM440LX motherboards with BIOS identifier 4L4MLO0X0 86A Changes to this specification will be published in the LM440LX 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 intended for use in medical life saving or life sustaining applications Intel retains the right to make cha
25. OS SRAM in two banks that 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 An external coin cell battery powers the real time clock and CMOS memory When 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 3 V standby current from the power supply extends the life of the battery The clock is accurate to 13 minutes year at 25 C with 5 V applied LM440LX NLX Motherboard Technical Product Specification 1 7 I O Interface Controller The motherboard uses the SMC FDC37C677 I O controller which features 1 7 1 ISA Plug and Play compatible register set Two serial ports FIFO support on both serial and floppy interfaces One parallel port with ECP and EPP support PS 2 style mouse and keyboard interfaces Supports BIOS setup for various configuration options 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 115 2 Kbits sec with BIOS support 1 7 2 Parallel Port The connector for the multimode bidirectional parallel port is a 25 pin D Sub connector located on the back panel of the motherboard In the Setup program there are four options for parallel port operation 1 7 3 Compatible standard mode Bidire
26. PIIX4 PCI to ISA bridge has four Programmable Interrupt Request PIRQ input signals Any PCI interrupt source either onboard or from a PCI add in card connects to one of these PIRQ signals Because there are only four signals some PCI interrupt sources are mechanically tied together on the motherboard and therefore share the same interrupt Table 15 lists the PIRQ signals and shows how the signals are connected to onboard PCI interrupt sources and how the signals could be connected to an NLX riser card Table 15 PCI Interrupt Routing Map PIIX4 PIRQ Signal Onboard Video USB Power Management PIRQA X PIRQB PIRQC PIRQD X X NOTE The PIIX4 can connect each PIRQ line internally to one of the IRQ signals 3 4 5 7 9 11 14 15 Typically a device that does not share a PIRQ line will have a unique interrupt However in certain interrupt constrained situations it is possible for two or more of the PIRQ lines to be connected to the same IRQ signal 35 Motherboard Resources 36 3 Overview of BIOS Features 3 1 Introduction The motherboard uses an Intel Phoenix BIOS which is stored in flash memory and can be upgraded using a disk based program In addition to the BIOS the flash memory contains the Setup program Power On Self Test POST Advanced Power Management APM code the PCI auto configuration utility and Windows 95 ready Plug and Play code See Section 6 2 for the supported versions of these specifications
27. T Operation Currently In Progress Initialize power management Load alternate registers with initial POST valuesnew Restore CPU control word during warm boot Initialize PCI bus mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset programmable interrupt controller Test DRAM refresh Test keyboard controller Set ES segment register to 4 GB Enable A20 line Autosize DRAM Initialize POST memory manager Clear 512 KB base RAM RAM failure on address line xxxx RAM failure on data bits xxxx of low byte of memory bus Enable cache before system BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus clock frequency Initialize POST dispatch manager Test CMOS RAM Initialize alternate AGPset registers Warm start shut down Reinitialize the AGPset MB only Shadow system BIOS ROM Reinitialize the cache MB only Autosize cache Configure advanced AGPset registers Load alternate registers with CMOS valuesnew Set Initial CPU speed new Initialize interrupt vectors Initialize BIOS interrupts POST device initialization Check ROM copyright notice hexadecimal number continued E 59 Error Messages and Beep Codes Table 37 Port 80h Codes continued Code Description of POST Operation Currently In Progress 47h Initialize manager for PCI option ROMs 48h Check video c
28. This motherboard supports system BIOS shadowing allowing the BIOS to execute from 64 bit onboard write protected DRAM The BIOS displays a message during POST identifying the type of BIOS and the revision code The initial production BIOS is identified as 4L4MLOX0 86A 3 2 BIOS Upgrades The BIOS can be upgraded to a new version from a diskette using the Intel Flash Memory Update Utility This utility does BIOS upgrades as follows e Updates the flash BIOS from a file on a disk e Updates the language section of the BIOS e Makes sure that the upgrade BIOS matches the target system to prevent accidentally installing a BIOS for a different type of system BIOS upgrades and the Intel Flash Memory Update Utility are available from Intel through the Intel World Wide Web site See Section 6 1 for information about this site gt NOTE Please review the instructions distributed with the upgrade utility before attempting a BIOS upgrade 37 Overview of BIOS Features 3 3 BIOS Flash Memory Organization The 2 Mbit flash component is organized as 256 KB x 8 bits and is divided into areas as described in Table 16 The table shows the addresses in the ROM image in normal mode the addresses change in BIOS Recovery Mode Table 16 Flash Memory Organization Address Hex Size Description FFFFCOOO FFFFFFFF 16 KB Boot Block FFFFAOOO FFFFBFFF 8 KB Vital Product Data VPD DMI configuration data Extended System Configuration Data
29. a network add in card with a remote boot ROM installed 3 12 OEM Logo or Scan Area A 4 KB flash memory user area at memory location FFFF8000h FFFF8FFFh is for displaying a custom OEM logo during POST A utility is available from Intel to assist with installing a logo into the flash memory Contact Intel customer support for further information See Section 6 2 for information on contacting Intel customer support 41 Overview of BIOS Features 3 13 USB Legacy Support 42 USB legacy support enables USB keyboards and mice to be used even when no operating system USB drivers are in place By default USB legacy support is disabled USB legacy support is only intended to be used in accessing BIOS Setup and installing an operating system that supports USB This sequence describes how USB legacy support operates in the default disabled mode 1 When you power up the computer USB legacy support is disabled 2 POST begins 3 USB legacy support is temporarily enabled by the BIOS This allows you to use a USB keyboard to enter the Setup program or the maintenance mode 4 POST completes and disables USB legacy support unless it was set to Enabled while in Setup 5 The operating system loads While the operating system is loading USB keyboards and mice are not detected After the operating system loads the USB drivers the USB devices are detected To install an operating system that supports USB enable USB Legacy support in BIOS Setu
30. acity and physical size of the diskette drive B Disables or enables write protect for the diskette drive s 47 BIOS Setup Program 4 2 2 Table 23 IDE Device Configuration Submenus This submenu is used to configure the IDE device features for the following Primary IDE master Primary IDE slave Secondary IDE master Secondary IDE slave Feature Type Cylinders Heads Sectors Maximum Capacity Multi Sector Transfers LBA Mode Control Transfer Mode Ultra DMA 48 IDE Device Configuration Submenus Options None ATAPI Removable CD ROM IDE Removable User Auto default 1 to XXXX 1 to 16 1 to 64 None Disabled 2 Sectors 4 Sectors 8 Sectors 16 Sectors default Disabled Enabled default Standard default Fast PIO 1 Fast PIO 2 Fast PIO 3 Fast PIO 4 Disabled default Mode 0 Mode 1 Mode 2 Description Specifies the IDE configuration mode for IDE devices User allows the cylinders heads and sectors fields to be changed Auto automatically fills in the values for the cylinders heads and sectors fields Specifies number of disk cylinders Specifies number of disk heads Specifies number of disk sectors Reports maximum capacity for the hard disk Value calculated from number of cylinders heads and sectors Specifies number of sectors per block for transfers from the hard drive to memory Check the hard drive s specifications for optimum settin
31. and speed The motherboard supports the following memory features e 168 pin DIMMs with gold plated contacts e 66 MHz SDRAM only e Non ECC 64 bit and ECC 72 bit memory e 3 3 V memory only e Single or double sided DIMMs in the following sizes DIMM Size Non ECC Configuration ECC Configuration 16 MB 2 Mbit x 64 2 Mbit x 72 32 MB 4 Mbit x 64 4 Mbit x 72 64 MB 8 Mbit x 64 8 Mbit x 72 128 MB 16 Mbit x 64 16 Mbit x 72 Memory can be installed in one or two sockets Memory size can vary between sockets NOTE To function properly SDRAM DIMMs must meet the Intel 4 clock 66 MHz unbuffered SDRAM specification for either 64 bit or 72 bit SDRAM See Section 6 2 for information about these specifications 1 5 2 ECC Memory Error checking and correcting ECC memory detects multiple bit errors and corrects single bit errors When ECC memory is installed the BIOS supports both ECC and non ECC mode ECC mode is enabled in the Setup program The BIOS automatically detects if ECC memory is installed and provides the Setup option for selecting ECC mode If any non ECC memory is installed the Setup option for ECC mode does not appear The following table describes the effect of using Setup to put each memory type in each supported mode Whenever ECC mode is selected in Setup some performance loss occurs Memory Error Detection Mode Established in Setup Program ECC Disabled ECC Enabled Non ECC DIMM No error detection N A ECC DIMM N
32. cessor supports User and supervisor settings are preserved and used when the computer is rebooted For the configuration changes to take effect after exiting the Setup program power down the computer set the configuration jumper to normal mode see Section 1 12 2 and boot the computer In configure mode the BIOS attempts an automatic recovery if the configuration information CMOS RAM is corrupted 1 12 4 Recovery Mode 24 This mode is for upgrading the BIOS or recovering BIOS data Remove the jumper no pins connected on the configuration jumper block J6C1 After the computer is powered on the BIOS attempts to upgrade or recover the BIOS data from a floppy diskette in the floppy drive Ifa diskette is not in the boot drive the BIOS runs the POST does not boot the operating system and displays a message that the jumper is not properly installed If the recovery fails with a diskette in the boot drive a continuous low pitched single beep indicates that the recovery failed For the configuration changes to take effect after a successful recovery power down the computer set the configuration jumper to normal mode see Section 1 12 2 and boot the computer LM440LX NLX Motherboard Technical Product Specification 1 13 NLX Card Edge Connectors The NLX riser connector on the motherboard consists of a 340 2x170 position and a 26 2x13 supplemental position gold finger contact All edge connector pin definitions are defined in
33. channel 1 Primary IDE channel status port COM1 Edge level triggered PIC Windows Sound System Windows Sound System ECP port LPTn base address 400h PCI configuration address register Turbo and reset control register PCI configuration data register Windows Sound System Windows Sound System Yamaha OPL3 SA3 configuration SM Bus I O space Registers Power Management I O space Registers IDE bus master register Primary bus master IDE registers Secondary bus master IDE registers 33 Motherboard Resources 2 4 PCI Configuration Space Map Table 13 PCI Configuration Space Map Bus Device Function Number hex Number hex Number hex Description 00 00 00 Intel 82443LX PAC 00 01 00 Intel 82443LX PIIX4 A G P bus 00 07 00 Intel 82371AB PIIX4 PCI ISA bridge 00 07 01 Intel 82371AB PIIX4 IDE bus master 00 07 02 Intel 82371AB PIIX4 USB 00 07 03 Intel 82371AB PIIX4 power management 01 00 00 Cirrus Logic CL GD5465 A G P graphics accelerator Video 2 5 Interrupts 34 Table 14 IRQ NMI ON OO FR Go M CH a fF Go Mi A O Interrupts System Resource 1 O Channel Check Reserved Interval Timer Reserved Keyboard Buffer Full Reserved Cascade Interrupt From Slave PIC COM2 COM1 LPT2 Plug and Play option Audio User available Floppy Drive LPT1 Real Time Clock User available User available Windows Sound System User available Onboard Mouse
34. compatible Audio Sound Blaster compatible LPT2 COM4 Video 8514A COM2 MPU 401 MIDI MPU 401 MIDI MPU 401 MIDI MPU 401 MIDI Secondary IDE channel command port Floppy channel 2 command Floppy disk change channel 2 Secondary IDE channel status port LPT1 AdLib FM synthesizer continued EF Table 12 Address hex 03B4 03B5 03BA 03BC 03BF 03C0 O3CA 03CC 03CE 03CF 03D4 03D5 03DA 03E8 O3EF 03F0 03F5 03F6 03F7 Write 03F7 bit 7 03F7 bits 6 0 03F8 O3FF 04D0 04D1 0530 0537 0604 060B LPTn 400h OCF8 OCFB OCF9 OCFC OCFF 0E80 0E87 0F40 0F47 0F86 0F87 7000 700D 8000 8037 FFOO FFO7 FFAO FFA7 FFA8 FFAF DWORD access only Byte access only NOTE See the Audio section s 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 UO Map continued Size 2 bytes 1 byte 4 bytes 11 bytes 1 byte 2 bytes 2 bytes 1 byte 8 bytes 6 bytes 1 byte 1 byte 1 bit 7 bits 8 bytes 2 bytes 8 bytes 8 bytes 8 bytes 4 bytes 1 byte 4 bytes 8 bytes 8 bytes 2 bytes 14 bytes 56 bytes 8 bytes 8 bytes 8 bytes LM440LX NLX Motherboard Technical Product Specification Description Video VGA Video VGA Floppy Channel 1 Primary IDE channel command port Floppy channel 1 command Floppy disk change
35. ctional PS 2 compatible Bidirectional Enhanced Parallel Port EPP A driver from the peripheral manufacturer is required for operation See Section 6 2 for EPP compatibility Bidirectional high speed Extended Capabilities Port 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 Mode 3 floppy support driver required 1 25 1 44 MB 3 5 inch 2 88 MB 3 5 inch 120 MB LS 120 The floppy disk interface signals are routed to the NLX riser connector Motherboard Description 1 7 4 PS 2 Keyboard and Mouse Interface PS 2 keyboard and mouse connectors are located on the back panel of the motherboard The 5 V lines to these connectors are protected with a PolySwitch 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 PS 2 connector The keyboard controller contains code which provides the traditional keyboard and mouse control functions and also supports Power On Reset password protection A Power O
36. e 64 bit graphics engine with integrated 3D game acceleration e High performance 64 bit GUI accelerator e Video playback acceleration e Integrated VGAT controller e Integrated 230 MHz palette DAC and clock synthesizer Table 1 Supported Drivers and Resolutions Drivers Microsoft Windowst Microsoft DCI Provider Microsoft Windows 95 Microsoft DirectDraw AutoCADt AutoShade with Renderman 3D Studio MicroStation Microsoft Windows NTt OS 2t v3 x Warpt VPM 8 bit 16 bit 24 bit 256 colors 65 536 colors 16 777 216 colors 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 1024 x 768 1024 x 768 1024 x 768 1280 x 1024 1280 x 1024 1600 x 1200 640 x 480 640 x 480 800 x 600 800 x 600 1024 x 768 1024 x 768 1280 x 1024 32 bit 16 777 216 colors 640 x 480 800 x 600 1024 x 768 Resolution independent Display control interface Video port manager Microsoft Windows NT only Motherboard Description 1 6 4 Universal Serial Bus USB The motherboard has two USB ports The motherboard fully supports the universal host controller interface UHCI and uses UHCI compatible software drivers See Section 6 2 for information about the USB specification USB features include e Self identifying peripherals that can be plugged in while the computer is running e Automatic mapping of function to driver and configuration e Isochronous and asynchronous transfer types supported over the same set of wires e U
37. g of this feature Enables or disables logical block addressing LBA in place of the Cylinders Heads and Sectors fields A CAUTION Changing the LBA Mode Control after a hard drive was formatted can corrupt data on the hard drive Specifies method for transferring data between the hard drive and system memory Specifies the ultra DMA mode for the hard drive 4 3 Advanced Menu LM440LX NLX Motherboard Technical Product Specification This menu is used to configure advanced features available through the motherboard s AGPset Table 24 Advanced Menu Feature Plug amp Play O S Reset Configuration Data Memory Cache ECC Configuration Memory Bank 0 Memory Bank 1 Resource Configuration submenu Peripheral Configuration submenu Keyboard Configuration submenu Video Configuration submenu DMI Event Logging submenu Options No Yes default No default Yes Disabled Enabled default Non ECC default ECC None None None None None None None Description Specifies if a Plug and Play operating system is being used No lets BIOS configure all devices Yes lets the operating system configure Plug and Play devices Not required with a Plug and Play operating system Clears the BIOS configuration data on the next boot Enables or disables the memory cache Sets memory ECC Configuration State This option is visible if there is only ECC memory in the system D
38. gs Onboard audio can be enabled or disabled in the Setup program Table 2 Audio Subsystem Resources Resource Sound Blastert DMA playback DMA shared with Windows Sound System capture Windows Sound System DMA playback MPU 401 IRQ shared with Sound Blaster AdLibt IRQ Options 5 7 10 11 5 is recommended 5 7 10 11 1 8 3 Audio Drivers and Utilities Audio software and utilities are available from Intel s World Wide Web site see Section 6 2 Audio driver support is provided for the Microsoft Windows 3 1 Microsoft Windows 95 Microsoft Windows NT versions 3 51 and 4 0 and IBM OS 2 Warp versions 3 0 and 4 0 operating systems DMA channel Options 0 1 3 UO Address Options 220 22Fh 240 24Fh 16 bytes on 16 byte boundary in the range of 220 280h 530 537h E80 E87h 8 bytes on 8 byte boundary in the range of 530 F48h 330 331h 300 301h 2 bytes on 2 byte boundary in the range of 300 334h 388 38Dh 6 bytes on 8 byte boundary in the range of 388 3F8h Motherboard Description 1 8 4 Audio Connectors The back panel includes the following audio connectors Line Out Mic In 1 9 Hardware Monitor 20 The optional hardware monitor component National Semiconductor LM79 provides low cost instrumentation capabilities designed to reduce the total cost of owning a PC when used with LANDesk Client Manager The hardware implementation is a single chip ASIC Features include
39. he solder side of the board Board material flammability is 94V 1 or 0 Canadian Compliance Consists of small c followed by a stylized backward UR on component side of the board 29 Motherboard Description 30 2 Motherboard Resources gt NOTE For more detailed information about the resources used for onboard audio see the Audio Subsystem section in Chapter 1 2 1 Memory Map Table 10 Memory Map Address Range decimal Address Range hex Size Description 1024 K 262144 K 100000 10000000 255 MB Extended Memory 1008 K 1024 K FC000 FFFFF 16 KB Boot block 1000 K 1008 K FA000 FBFFF 8 KB ESCD Plug and Play configuration and DMI 996 K 1000 K F9000 FOFFF 4 KB Reserved for BIOS 992 K 996 K F8000 F8FFF 4 KB OEM Logo or Scan User Flash 928 K 992 K E8000 F7FFF 64 KB POST BIOS 896 K 928 K E0000 E7FFF 32 KB POST BIOS Available as UMB 800 K 896 K C8000 DFFFF 96KB Available high DOS memory open to ISA and PCI bus 640 K 800 K A0000 C7FFF 160KB Video memory and BIOS 639 K 640 K 9FCOO 9FFFF 1KB Extended BIOS data movable by memory manager software 512 K 639 K 80000 9FBFF 127 KB Extended conventional memory OK 512K 00000 7FFFF 512 KB Conventional memory 2 2 DMA Channels Table 11 DMA Channels DMA Channel Number Data Width System Resource 0 8 or 16 bits Audio 1 8 or 16 bits Audio Parallel Port 2 8 or 16 bits Floppy Drive 3 8 or 16 bits Parallel Port
40. he specification is available at http www intel com Version 1 1 May 1997 Intel Corporation The specification is available at http www intel com Version 1 0 May 1997 Intel Corporation The specification is available at http www intel com Revision 2 1 June 1 1995 PCI Special Interest Group Revision 4 0 February 27 1997 Phoenix Technologies Ltd Version 1 0a May 5 1994 Compaq Computer Corporation Phoenix Technologies Ltd Intel Corporation Revision 1 0 January 27 1997 Intel Corporation Revision 1 0 January 27 1997 Intel Corporation Revision 1 0 January 15 1996 Compaq Computer Corporation Digital Equipment Corporation IBM PC Company Intel Corporation Microsoft Corporation NEC Northern Telecom
41. ime Hour minute Specifies the current time and second System Date Month day and Specifies the current date year Floppy Options None Configures the diskette drives When selected displays the submenu Floppy Options submenu See Section 4 2 1 Primary IDE Master None Reports type of a connected IDE device When selected displays submenu the Primary IDE Master submenu See Section 4 2 2 Primary IDE Slave None Reports type of a connected IDE device When selected displays submenu the Primary IDE Slave submenu See Section 4 2 2 Secondary IDE None Reports type of a connected IDE device When selected displays Master submenu the Secondary IDE Master submenu See Section 4 2 2 Secondary IDE None Reports type of a connected IDE device When selected displays Slave submenu the Secondary IDE Slave submenu See Section 4 2 2 LM440LX NLX Motherboard Technical Product Specification 4 2 1 Floppy Options Submenu This submenu is used to configure floppy drives Table 22 Floppy Options Submenu Feature Diskette A Diskette B Floppy Write Protect Options Disabled 360 KB 5 25 inch 1 2 MB 5 25 inch 720 KB 3 5 inch 1 44 1 25 MB 3 5 inch default 2 88 MB 3 5 inch Disabled default 360 KB 5 25 inch 1 2 MB 5 25 inch 720 KB 3 5 inch 1 44 1 25 MB 3 5 inch 2 88 MB 3 5 inch Disabled default Enabled Description Specifies the capacity and physical size of the diskette drive A Specifies the cap
42. including Electrical Business Equipment European Union The Standard for Safety of Information Technology Equipment including Electrical Business Equipment International Summary of Nordic deviations to EN 60 950 Norway Sweden Denmark amp Finland Title Title 47 Code of Federal Regulations General rules and regulations amp Radio Frequency devices Product compliance is verified using limits from CISPR 22 frequencies to 1 GHz and FCC Rules Section 15 109 a frequencies to 1 GHz and test criteria as defined in ANSI C63 4 and Section 15 32 a of the FCC Rules Limits and methods of measurement of Radio Interference Characteristics of Information Technology Equipment International Limits and methods of measurement of Radio Interference Characteristics of Information Technology Equipment Europe Generic Immunity Standard Currently compliance is determined via testing to IEC 801 2 3 and 4 Europe Implementation Regulations for Voluntary Control of Radio Interference by Data Processing Equipment and Electronic Office Machines Japan Interference Causing Equipment Standard Digital Apparatus Canada Product Certification Markings This printed circuit board assembly has the following product certification markings European CE Marking Consists of a marking on the board and shipping container UL Recognition Mark Consists of the UL File No E139761 on the component side of the board and the PB No on t
43. information about the latest DMI specification 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 operating systems Using this support a DMI service level application running on a non Plug and Play OS can access the DMI BIOS information 3 9 Advanced Power Management APM 40 The BIOS supports APM and standby mode See Section 6 2 for the version of the APM specification that is supported The energy saving standby mode can be initiated in the following ways e Time out period specified in Setup e Suspend resume switch connected to the front panel sleep connector e From the operating system such as the Suspend menu item in Windows 95 In standby mode the motherboard reduces power consumption by using SMM capabilities spinning down hard drives and reducing power to or turning off VESA DPMS compliant monitors Power management mode can be enabled or disabled in Setup see Section 4 5 While in standby mode the system retains the ability to respond to external interrupts and service requests such as incoming faxes or network messages Any keyboard or mouse activity brings the system out of standby mode and immediately restores power to the monitor The BIOS enables APM by default but the operating system must support an APM driver for the power management features to work For example Windows 95 supports the power management features
44. isplays information about memory bank 0 Displays information about memory bank 1 Configures memory blocks and IRQs for legacy ISA devices When selected displays the Resource Configuration submenu See Section 0 Configures peripheral ports and devices When selected displays the Peripheral Configuration submenu See Section 0 Configures keyboard features When selected displays the Keyboard Configuration submenu See Section 4 3 3 Configures video features When selected displays the Video Configuration submenu See Section 4 3 4 Configures DMI Event Logging When selected displays the DMI Event Logging submenu See Section 4 3 5 49 BIOS Setup Program 4 3 1 50 Resource Configuration Submenu This submenu is used to configure memory and interrupts Feature Options C800 CBFF CC00 CFFF D000 D3FF D400 D7FF D800 DBFF DC00 DFFF Memory Reservation Memory hole IRQ3 IRQ4 IRQ5 IRQ7 IRQ9 IRQ10 IRQ11 IRQ15 IRQ Reservation Used by PIIX4 SM Bus Available default Reserved Available default Reserved Available default Reserved Available default Reserved Available default Reserved Available default Reserved Disabled default Conventional Extended Available default Reserved Available default Reserved Available default Reserved Available default Reserved Available default Reserved Available default Reserved Available defa
45. l Corporation The specification is available through the Accelerated Graphics Implementers Forum at http www agpforum org Revision 1 2 February 1996 Intel Corporation Microsoft Corporation X3T10 2008D Revision 6 ATA Anonymous FTP Site fission dt wdc com Revision 0 7 May 21 1996 Quantum document no 70 108412 1 SFF 8020i Revision 2 5 SFF Fax Access 408 741 1600 Version 2 0 October 16 1995 American Megatrends Inc Award Software International Inc Dell Computer Corporation Intel Corporation Phoenix Technologies Ltd SystemSoft Corporation Version 1 0 January 25 1995 Phoenix Technologies Ltd IBM Corporation The El Torito specification is available on the Phoenix Web site http www ptltd com techs specs html IEEE 1284 standard Mode 1 or 2 v1 7 continued EF 65 Specifications and Customer Support 66 Table 39 Compliance with Specifications continued Specification NLX NLX NLX PCI Phoenix BIOS Plug and Play SDRAM DIMMs 64 bit SDRAM DIMMs 72 bit USB Description NLX form factor specification NLX Power Supply recommendation NLX I O Shield Design Suggestions PCI Local Bus specification PhoenixBIOS Plug and Play BIOS specification 4 Clock 66 MHz 64 bit Unbuffered DIMM specification 4 Clock 66 MHz 72 bit Unbuffered DIMM specification Universal serial bus specification Revision Level Revision 1 2 February 1997 Intel Corporation T
46. meric coprocessor significantly increases the speed of floating point operations and complies with ANSI IEEE standard 754 1985 1 4 1 Microprocessor Packaging The processor is packaged in a Single Edge Contact S E C cartridge The S E C cartridge includes the processor core the second level cache a thermal plate and a back cover The processor connects to the motherboard through the Slot 1 processor connector a 242 pin edge connector When mounted in Slot 1 the processor is secured by a retention mechanism attached to the motherboard The processor s heatsink is stabilized by a heatsink support that is attached to the motherboard 1 4 2 Second Level Cache The second level cache is located on the substrate of the S E C cartridge The cache includes burst pipelined synchronous static RAM BSRAM and tag RAM There can be two or four BSRAM components totaling 256 KB or 512 KB in size All supported onboard memory can be cached 1 4 3 Microprocessor Upgrades The motherboard can be upgraded with Pentium II processors that run at higher processor speeds When upgrading the processor use the BIOS configuration mode to change the processor See Section 1 12 3 for information about configuration mode Motherboard Description 1 5 Memory 1 5 1 Main Memory The motherboard has two dual inline memory module DIMM sockets Minimum memory size is 16 MB maximum memory size is 256 MB The BIOS automatically detects memory type size
47. n Reset password can be specified in the Setup program The keyboard controller also supports the hot key sequence 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 1 8 Audio Subsystem 1 8 1 OPL3 SA3 Audio System The onboard audio subsystem features the Yamaha OPL3 SA3 YMF715 device The features of the device include e A 16 bit audio codec e OPL3 FM synthesis e An integrated 3D enhanced stereo controller e Support for MPU 401 e Stereo analog to digital and digital to analog converters e Analog mixing anti aliasing and reconstruction filters e 16 bit address decoding supported e Line microphone and monaural inputs e ADPCM A law or ulaw digital audio compression and decompression e Full digital control of all mixer and volume control functions e Microphone input Mic In connector is jumper selectable between the back panel and the riser e Plug and Play compatible e Sound Blaster Prot and Microsoft Windows Sound System compatible LM440LX NLX Motherboard Technical Product Specification 1 8 2 Audio Subsystem Resources The following table shows the IRQ DMA channel and base I O address options for the audio subsystem Options are listed in order of preference specified by Yamaha These options are automatically chosen by the Plug and Play interface so there are no default settin
48. n be changed for these devices Lists available drives When selected displays the Hard Drive submenu See Section 4 6 1 Lists available removable devices When selected displays the Removable Devices submenu See Section 4 6 2 LM440LX NLX Motherboard Technical Product Specification 4 6 1 Hard Drive Submenu Table 33 Hard Drive Submenu Options e Installed hard drive e Bootable ISA Cards Description Specifies the boot sequence for the hard drives attached to the computer To specify boot sequence 1 Select the boot device with lt P gt or lt gt 2 Press lt gt to move the device up the list or lt gt to move the device down the list The operating system assigns drive letters to the devices in the order listed The order and therefore the drive lettering can be changed for these devices Supports all forms of removable devices including LS 120 4 6 2 Removable Devices Submenu Table 34 Removable Devices Submenu Options e Legacy Floppy Drives 4 7 Exit Menu Description Specifies the boot sequence for the removable devices attached to the computer To specify boot sequence 1 Select the boot device with lt P gt or lt gt 2 Press lt gt to move the device up the list or lt gt to move the device down the list The operating system assigns drive letters to the devices in the order listed The order and therefore the drive lettering can be changed for these devices This
49. nges to specifications and product descriptions at any time without notice The LM440LX motherboard may contain design defects or errors known as errata which may cause the product to deviate from published specifications 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 Wake on LAN is a trademark of IBM Corporation 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 1997 Intel Corporation All Rights Reserved Contents 1 Motherboard Description KI SOVGIVIOW ee cvethiartanttavivaniuat baskets EEEE E a EE 7 12 Geld BEE 9 La WO Shield cos ii ais E 10 1 4 Oe deeler 11 1 4 1 Microprocessor Packaging inicia o o 11 1 4 2 Second Level Lasarte dt iaa 11 1 4 3 Microprocessor Upgrades ic cocina lia 11 O 12 1 5 1 Main Memory e 12 1 5 2 ECO Meestria 12 U E 13 1 6 1 Intel 82443LX PCI A G P Controller DAC 13 1 6 2 Intel 82371AB PCI ISA IDE Xcelerator PISA 14 1 6 3 Accelerated Graphics Port AOGPl ENNEN ENN 15
50. o error detection Single bit error correction multiple bit error detection LM440LX NLX Motherboard Technical Product Specification 1 6 AGPset The Intel 440LX AGPset is designed for the Pentium II processor It consists of the Intel 82443LX PCI A G P controller PAC and the Intel 82371AB PCI ISA IDE Xcelerator PUX4 bridge chip 1 6 1 Intel 82443LX PCI A G P Controller PAC The PAC provides bus control signals address paths and data paths for transfers between the processor s host bus PCI bus Accelerated Graphics Port A G P and main memory The PAC features Processor interface control Processor host bus speed of 66 MHz 32 bit addressing GTL compliant host bus Integrated DRAM controller Supports synchronous DRAM SDRAM 64 72 bit path to memory Auto detection of memory type Supports 4 16 64 Mbit DRAM devices Symmetrical and asymmetrical DRAM addressing Supports 3 3 V DRAMs Accelerated Graphics Port Interface Complies with A G P specification see Section 6 2 for specification information Supports 3 3 V A G P devices with data transfer rates up to 66 MHz Synchronous coupling to the host bus frequency Fully synchronous PCI bus interface Complies with PCI specification see Section 6 2 for specification information PCI to DRAM access greater than 100 MB sec Supports five PCI bus masters in addition to the host and PCI to ISA I O bridge
51. of 170 inches second Half sine 2 millisecond Product Weight Free Fall inches lt 20 lbs 36 21 40 lbs 30 41 80 lbs 24 81 100 lbs 18 5 Hz to 20 Hz 0 01g Hz sloping up to 0 02 g Hz 20 Hz to 500 Hz 0 02g Hz flat 10 Hz to 40 Hz 0 015g Hz flat 40 Hz to 500 Hz 0 015g Hz sloping down to 0 00015 g Hz Velocity Change inches sec 167 152 136 118 27 Motherboard Description 1 16 Power Consumption Table 7 lists power usage for a computer that contains the motherboard a 266 MHz Pentium II processor 32 MB RAM 512 KB cache 3 5 inch floppy drive 1 6 GB IDE hard drive and a 8X IDE CD ROM This information is provided only as a guide for calculating approximate power usage with additional resources added Values for the Windows 95 desktop mode are measured at 1024 x 768 x 16 bit colors and 72 Hz refresh rate AC watts are measured with a typical 75 W supply nominal input voltage and frequency with true RMS wattmeter at the line input Table 7 Power Usage DC amps at Mode AC watts 3 3 V 5V 5 V 12 V 12 V DOS prompt APM disabled 47 82 4 23 5 64 0 0 432 0 04 Windows 95 desktop APM disabled 52 92 4 23 6 64 0 0 44 0 04 Normal Windows 95 desktop APM enabled in 41 09 2 22 5 6 0 0 44 0 04 System Management Mode SMM Suspend 1 16 1 Power Supply Considerations 28 For typical configurations the motherboard is designed to operate with at least a 75 W NLX power supply see Section 6 2
52. onfiguration against CMOS RAM data 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh Display QuietBoot screen 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright notice 50h Display CPU type and speed 51h Initialize EISA motherboard 52h Test keyboard 54h Set key click if enabled 56h Enable keyboard 58h Test for unexpected interrupts 59h Initialize POST display service 5Ah Display prompt Press F2 to enter SETUP 5Bh Disable CPU cache 5Ch Test RAM between 512 and 640 KB 60h Test extended memory 62h Test extended memory address lines 64h Jump to UserPatch1 66h Configure advanced cache registers 67h Initialize multiprocessor APIC 68h Enable external and processor caches 69h Setup System Management Mode SMM area 6Ah Display external L2 cache size 6Ch Display shadow area message 6Eh Display possible high address for UMB recovery 70h Display error messages 72h Check for configuration errors 74h Test real time clock 76h Check for keyboard errors 7Ah Test for key lock on 7Ch Set up hardware interrupt vectors 7Eh Initialize coprocessor if present 80h Disable onboard Super I O ports and IRQs 81h Late POST device initialization 82h Detect and install external RS232 ports 83h Configure non MCD IDE controllers continued EF 60 LM440LX NLX Motherboard Technical Product Specification Table 37 Port 80h Codes continued Code 84h 85h 86h 87h 88h 89h 8Ah 8Bh 8Ch 8Fh 9
53. own Moves cursor to top or bottom of the window Moves cursor to top or bottom of the window Selects the previous value for a field Selects the next value for a field Load the default configuration values for the current menu Save the current values and exit Setup Executes command or selects the submenu Moves a device or class of devices up or down in the boot order 45 BIOS Setup Program 4 1 Maintenance Menu This menu is for setting the processor speed and clearing the Setup passwords Setup displays this menu only in configure mode See Section 1 12 3 for information about setting configure mode Table 20 Maintenance Menu Feature Options Description Processor Speed e 233 Specifies the processor speed in megahertz e 266 e 300 Clear All Passwords None Clears the user and supervisor passwords 4 2 Main Menu 46 This menu displays processor and memory information and is used to configure the language system date system time floppy options and IDE devices Table 21 Main Menu Feature Options Description Processor Type None Displays processor type Processor Speed None Displays processor speed Cache RAM None Displays size of L2 cache Total Memory None Displays the total amount of RAM on the motherboard BIOS Version None Displays the version of the BIOS Language e English US Selects the current default language used by the BIOS default e Italiana e Fran ais e Deutsche e Espa ol System T
54. p and follow the operating system s installation instructions Once the operating system is installed and the USB drivers configured USB legacy support is no longer used USB Legacy Support can be left enabled in BIOS Setup if needed Notes on using USB legacy support e If USB legacy support is enabled don t mix USB and PS 2 keyboards and mice For example do not use a PS 2 keyboard with a USB mouse or a USB keyboard and a PS 2 mouse e Do not use USB devices with an operating system that does not support USB USB legacy is not intended to support the use of USB devices in a non USB operating system e USB legacy support is for keyboards and mice only Hubs and other USB devices are not supported LM440LX NLX Motherboard Technical Product Specification 3 14 BIOS Setup Access Access to the Setup program can be restricted using passwords User and supervisor passwords can be set using the Security menu in Setup The default is no passwords enabled See Section 4 4 for information about setting user and supervisor passwords 3 15 Recovering BIOS Data Some types of failure can destroy the BIOS For example the data can be lost if a power outage occurs while the BIOS is being updated in flash memory The BIOS can be recovered from a diskette using the BIOS recovery mode see Section 1 12 4 To create a BIOS recovery diskette a bootable diskette must be created and the recovery files copied to it The recovery files are available f
55. p to 127 physical devices supported e Guaranteed bandwidth and low latencies appropriate for telephony audio and other applications e Error handling and fault recovery mechanisms built into the protocol NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements even if no device or a low speed USB device is attached to the cable Use Shielded cable that meets the requirements for full speed devices 1 6 5 IDE Support The motherboard has two independent bus mastering PCI IDE interfaces These interfaces support PIO Mode 3 PIO Mode 4 ATAPI devices e g CD ROM and Ultra DMA 33 synchronous DMA mode transfers The IDE interface signals are routed to the NLX riser connector The BIOS supports logical block addressing LBA and extended cylinder head sector ECHS translation modes The BIOS automatically detects the IDE device transfer rate and translation mode Programmed I O operations usually require a substantial amount of processor bandwidth However in multitasking operating systems the bandwidth freed by bus mastering IDE can be devoted to other tasks while disk transfers are occurring 1 6 6 Real time Clock CMOS SRAM and Battery The real time clock is compatible with DS1287 and MC146818 components The clock provides a time of day clock and a multi century calendar with alarm features and century rollover The real time clock supports 256 bytes of battery backed CM
56. ption B4h One short beep before boot 98h Search for option ROMs 16h BIOS ROM checksum 20h Test DRAM refresh 22h Test keyboard controller 2Ch RAM failure on address line xxxx 2Eh RAM failure on data bits xxxx of low byte of memory bus 30h RAM failure on data bits xxxx of high byte of memory bus 46h Check ROM copyright notice 58h Test for unexpected interrupts 63 Error Messages and Beep Codes 64 6 Specifications and Customer Support 6 1 Online Support Find information about Intel boards under Product Info or Customer Support at this World Wide Web site http www intel com 6 2 Specifications The motherboard complies with the following specifications Table 39 Compliance with Specifications Specification ACPI A G P APM ATA 3 ATA 33 ATAPI DMI El Torito EPP Description Advanced Configuration and Power Interface specification Accelerated Graphics Port Interface Specification Advanced Power Management BIOS interface specification Information Technology AT Attachment 3 Interface Synchronous DMA Transfer Protocol specification to be proposed as Ultra DMA 33 standard ATA Packet Interface for CD ROMs Desktop Management Interface BIOS specification Bootable CD ROM format specification Enhanced Parallel Port Revision Level Version 1 0 Date December 22 1996 Intel Corp Microsoft Corporation Toshiba Corporation Revision 1 0 July 1996 Inte
57. roduct Specification 3 5 PCI IDE Support If Auto is selected as the configuration mode for a primary or secondary IDE device see Section 4 2 2 in Setup the BIOS automatically sets up the two local bus IDE connectors with independent I O channel support The IDE interface supports hard drives up to PIO Mode 4 and recognizes any ATAPI devices including CD ROM drives and tape drives see Section 6 2 for the supported version of ATAPI The BIOS determines the capabilities of each drive and configures them so as to optimize capacity and performance To take advantage of the high capacity storage devices hard drives are automatically configured for logical block addressing LBA and to PIO Mode 3 or 4 depending on the capability of the drive To override the autoconfiguration options use the specific IDE device options in Setup The ATAPI specification recommends that ATAPI devices be configured as shown in Table 17 Table 17 Recommendations for Configuring an ATAPI Device Primary Cable Secondary Cable Configuration Drive 0 Drive 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 CD ROMs ATA ATAPI ATAPI 3 6 ISA Plug and Play If Plug and Play operating system see Section 4 3 is selected in Setup the BIOS autoconfigures only ISA Plug and Play cards that are required for booting IPL devices If Plug and Play
58. rom Intel contact Intel customer support for further information See Section 6 2 for information on contacting Intel customer support 43 Overview of BIOS Features 44 4 BIOS Setup Program The Setup program is for viewing and changing the BIOS settings for a computer Setup is accessed by pressing the lt F2 gt key after the Power On Self Test POST memory test begins and before the operating system boot begins Table 18 shows the menus available from the menu bar at the top of the Setup screen Table 18 Setup Menu Bar Setup Menu Screen Maintenance Main Advanced Security Power Boot Exit Description Sets the processor speed and clears the Setup passwords Allocates resources for hardware components Sets advanced features available through the AGPset Sets passwords and security features Sets power management features Sets boot options and power supply controls Saves or discards changes Table 19 shows the function keys available for menu screens Table 19 Setup Function Keys Setup Key lt F1 gt or lt Alt H gt lt Esc gt lt gt Or lt gt gt lt T gt or lt d gt lt Home gt or lt End gt lt PgUp gt or lt PgDn gt lt F5 gt or lt gt lt F6 gt or lt gt or lt Space gt lt F9 gt lt F10 gt lt Enter gt lt gt Or lt gt Description Brings up a help screen for the current item Exits the menu Selects a different menu screen Moves cursor up or d
59. ss will not appear in the list of options for the other serial port If an ATI mach32 or an ATI mach64t video controller is active as an add in card the COM4 2E8h address will not appear in the list of options for either serial port Sets the mode for serial port B for normal COM 2 or infrared applications Configures the parallel port Auto assigns LPT1 the address 378h and the interrupt IRQ7 An asterisk indicates a conflict with another device Selects the mode for the parallel port Output Only operates in ATt compatible mode Bidirectional operates in bidirectional PS 2 compatible mode EPP is Extended Parallel Port mode a high speed bidirectional mode ECP is Enhanced Capabilities Port mode a high speed bidirectional mode Configures the floppy disk controller Configures the IDE controller Enables or disables the onboard audio subsystem Configures the LAN device This option appears only if a LAN controller is detected Enables or disables BIOS support for USB keyboards and mice 51 BIOS Setup Program 4 3 3 Keyboard Configuration Submenu Table 27 Keyboard Configuration Submenu Feature Options Num Lock e Auto default e On e Off Disabled default Enabled 30 sec default 26 7 sec 21 8 sec 18 5 sec 13 3 sec 10 sec 6 sec 2 sec Ya sec Y sec default 3 4 Sec 1 sec Description Sets the power on state of the Num Lock feature on the numeric keypad of the keyboard
60. the NLX specification version 1 2 see Section 6 2 The motherboard supports the following signals e PCI expansion slots e ISA expansion slots e IDE headers e 1 floppy drive header e Miscellaneous front panel signals including USB Mic In and Line Out See Table 5 for the supplemental connector signals supported by the motherboard gt NOTE The riser must provide power to the motherboard For power consumption information see Section 1 16 25 Motherboard Description 1 13 1 Table 5 Pin Signal Name x1 CD_IN_LT Xx2 AGND X3 MIC_IN X4 LINE_OUT_LT X5 FP_SPKR_EN X6 VOL_DN X7 GND X8 SMI X9 RESERVED X10 RESERVED X11 RESERVED X12 AGND X13 MODEM_MIC Y1 CD_IN_RT Y2 CD IN GND Y3 AVCC Y4 LINE_OUT_RT Y5 FP_MIC_EN Y6 VOL_UP Y7 AC_RST Y8 AC GD IN Y9 GROUND Y10 AC SD OUT Y11 AC_SYNC Y12 AC_BIT_CLK Y13 MODEM_SPKR 26 Type AUDIO PWR AUDIO AUDIO AUDIO AUDIO PWR SYS RES RES RES PWR AUDIO AUDIO PWR PWR AUDIO AUDIO AUDIO AC 97 AC 97 PWR AC 97 AC 97 AC 97 AUDIO UO column relative to motherboard NLX Riser with Supplemental Connector Signals NLX Riser with Supplemental Connector P9J1 1 0 Description Signal Type CD ROM line in left Analog 1V RMS NA Low pass filtered ground for audio circuitry on NA the riser l Pre amplified microphone input Pre amp Analog circuitry to reside on riser or in microphone 1V RMS O Analog line out left
61. the screen If it cannot locate the address it displays Parity error found in the I O bus BIOS attempts to locate the address and display it on the screen If it cannot locate the address it displays 2222 Displayed after any recoverable error message Press lt F1 gt to start the boot process or lt F2 gt to enter Setup and change any settings continued EF 57 Error Messages and Beep Codes Table 36 BIOS Error Messages continued Error Message Real time clock error Shadow RAM Failed at offset nnnn System battery is dead Replace and run SETUP System cache error Cache disabled System CMOS checksum bad run SETUP System RAM Failed at offset nnnn System timer error nnnn hexadecimal number Explanation Real time clock fails BIOS test May require motherboard repair Shadow RAM failed at offset nnnn of the 64 KB block at which the error was detected The CMOS clock battery indicator shows the battery is dead Replace the battery and run Setup to reconfigure the system RAM cache failed the BIOS test BIOS disabled the cache System CMOS RAM has been corrupted or modified incorrectly perhaps by an application program that changes data stored in CMOS Run Setup and reconfigure the system either by getting the default values and or making your own selections System RAM failed at offset nnnn of the 64 KB block at which the error was detected The timer test failed Requires repair
62. u ibi 50 Contents vi Peripheral Configuration Submenu AEN 51 Keyboard Configuration SUDMENU ccoooococccccccncccnnccnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnncncnnnos 52 Video Configuration SubMenu isso oie 52 DMI Event Logging Submenu ici ei 52 Security A O 53 Power Meli A A EE EARR 53 Ge LE EE 54 Hard Drive Submit iio 55 Removable Devices Gubmen ke 55 EXit Men salia 55 BIOS Etror Message EE 57 Port SON CIU E RE E EER E E R 58 Beep CodeS een e a candle aaa a eE ae a eaa a Sa Eaa a 63 Compliance with Gpechficatons ENEE 65 1 1 Motherboard Description Overview The LM440LX motherboard supports Pentium II family microprocessors operating at 233 266 and 300 MHz The motherboard features e NLX form factor e Minimal jumper design Main Memory e Two 168 pin DIMM sockets e Support for up to 256 MB of synchronous DRAM SDRAM e Support for 66 MHz SDRAM AGPset and PCI Interface e Intel 82440LX AGPset PCI A G P Controller PAC e Integrated PCI bus mastering controller using PIIX4 VO Features e SMC FDC37C677 I O controller integrates standard I O functions floppy drive interface one multi mode parallel port two FIFO serial ports real time clock and keyboard and mouse controller e Support for two Universal Serial Bus USB ports e Dual channel Fast IDE interface Audio Subsystem e Yamaha OPL3 SA3 audio codec component Graphics Subsystem e Cirrus Logic CL GD5465 A G P graphics accelerator with 4 MB of R
63. ult Reserved Table 25 Resource Configuration Submenu Description Reserves specific upper memory blocks for use by legacy ISA devices Reserves specific IRQs for use by legacy ISA devices An asterisk next to an IRQ indicates an IRQ conflict LM440LX NLX Motherboard Technical Product Specification 4 3 2 Peripheral Configuration Submenu This submenu is used to configure the peripheral interfaces Table 26 Peripheral Configuration Submenu Feature Serial Port A Serial Port B Mode Parallel Port Mode Floppy Disk Controller IDE Controller Audio LAN Legacy USB Support Options Disabled Enabled Auto default Disabled Enabled Auto default Normal default IrDA ASK IR Disabled Enabled Auto default Output Only Bidirectional default EPP ECP Disabled Enabled default Disabled Primary Secondary Both default primary and secondary Disabled Enabled default Disabled Enabled default Disabled default Enabled Description Used to configure serial port A Auto assigns the first free COM port normally COM1 the address 3F8h and the interrupt IRQ4 An asterisk indicates a conflict with another device Used to configure serial port B Auto assigns the first free COM port normally COM2 the address 2F8h and the interrupt IRQ3 An asterisk indicates a conflict with another device If either serial port address is set that addre
64. un SETUP Operating system not found Parity Check 1 Parity Check 2 Press lt F1 gt to resume lt F2 gt to Setup nnnn hexadecimal number Explanation Drive A or B is present but fails the POST diskette tests Check that the floppy drive controller is enabled and the drive is defined with the proper diskette type in Setup and that the diskette drive is installed correctly Extended memory not working or not configured properly at offset nnnn The number nnnn is a map of the bits at the RAM address System Extended or Shadow memory that failed the memory test Each 1 in the map indicates a failed bit Fixed disk is not working or not configured properly Check to see if fixed disk is installed properly Run Setup be sure the fixed disk type is correctly identified and enabled Type of floppy drive for drive A not correctly identified in Setup Type of floppy drive for drive B not correctly identified in Setup Problem with NVRAM CMOS access The keyboard controller failed test Try replacing the keyboard Keyboard not working BIOS discovered a stuck key and displays the scan code nn for the stuck key Unlock the system to proceed Monitor type not correctly identified in Setup Operating system cannot be located on either drive A or drive C Enter Setup and see if fixed disk and drive A are properly identified Parity error found in the system bus BIOS attempts to locate the address and display it on
65. upon detecting that APM is enabled in the BIOS LM440LX NLX Motherboard Technical Product Specification 3 10 Language Support Five languages are available at this time American English German Italian French and Spanish The Setup program and help messages can be supported in 32 languages The BIOS includes extensions to support the Kanji character set and other non ASCII character sets Translations of other languages may become available at a later date The default language is American English which is always present unless another language is programmed into the BIOS using the flash memory update utilities See Section 3 2 for information about the BIOS update utility 3 11 Boot Options In the Setup program the user can choose to boot from a floppy drive hard drive CD ROM the network or the LANDesk Service Agent 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 Booting from CD ROM is supported in compliance to the El Torito bootable CD ROM format specification See Section 6 2 for information about the El Torito specification Under the Boot menu in the Setup program CD ROM is listed as a boot device Boot devices are defined in priority order If the CD ROM is selected as the boot device it must be the first device The network can be selected as a boot device This selection allows booting from

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