Intel VS440FX Technical Specification
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Intel VS440FX Technical Specification

Intel VS440FX Technical Specification

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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.

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  • Page 1 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.

  • Page 2: Revision History

    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.

  • Page 3: Table Of Contents

    Table of Contents 1 Motherboard Description Overview........................7 Motherboard Manufacturing Options ................9 Form Factor ......................... 9 I/O Shield........................10 Microprocessor ......................11 1.5.1 Microprocessor Heatsink and Clips ............. 11 1.5.2 Microprocessor Upgrade ................11 Main Memory ......................12 1.6.1 EDO DRAM ....................
  • Page 4 VS440FX Motherboard Technical Product Specification 1.13 Jumper Settings......................33 1.13.1 Processor Configuration (J6D1) ..............34 1.13.2 Password Clear (J6D1)................34 1.13.3 Clear CMOS (J6D1)..................35 1.13.4 BIOS Setup Access (J6D1) ................. 35 1.13.5 BIOS Recovery (J6D1) ................35 1.14 Reliability ........................35 1.15 Environmental......................
  • Page 5 Contents 3.15.11 Event Logging Configuration Subscreen ............. 62 3.15.12 Security Screen ................... 63 3.15.13 Security Screen Options................64 3.15.14 Exit Screen ....................65 4 Error Messages and Beep Codes BIOS Beep Codes ..................... 67 PCI Configuration Error Messages ................68 BIOS Error Messages ....................

  • Page 7: Motherboard Description

    1 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: ATX form factor Socket 8 Pentium Pro processor socket...

  • Page 8: Motherboard Components

    VS440FX Motherboard Technical Product Specification 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.

  • Page 9: Motherboard Manufacturing Options

    Motherboard Description 1.2 Motherboard Manufacturing Options Support for USB Audio Option CS4236 audio codec CD-ROM connector Wavetable upgrade connector Telephony connector MIDI/game port/audio jacks 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.

  • Page 10: I/O Shield

    VS440FX Motherboard Technical Product Specification 1.4 I/O 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.

  • Page 11: Microprocessor

    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.

  • Page 12: Main Memory

    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.

  • Page 13: Chipset

    Motherboard Description 1.7 Chipset The Intel 82440FX PCIset consists of the 82441FX PCI Bridge and Memory Controller (PMC), the 82442FX Data Bus Accelerator (DBX), and one 82371SB PCI/ISA IDE Xcelerator (PIIX3) bridge chip. 1.7.1 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.

  • Page 14: Universal Serial Bus Support

    VS440FX Motherboard Technical Product Specification 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 PCI compliance (refer to Section 5.1) Enhanced DMA controller supporting up to seven DMA channels...

  • Page 15: Super I/O Controller

    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 Centronics compatible Enhanced Parallel Port (EPP) mode with BIOS and driver support...

  • Page 16: Keyboard And Mouse Interface

    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 PolySwitch circuit that, like a self-healing fuse, reestablishes the connection after an over-current condition is removed.

  • Page 17: Infrared Support

    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.

  • Page 18: Audio Drivers And Utilities

    VS440FX Motherboard Technical Product Specification 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. DMA channel I/O Address Resource (Options) (Options) (Options) Sound Blaster 5 (best choice) 0 (best choice) 210-21Fh...

  • Page 19: Management Extension Hardware

    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: An integrated temperature sensor Fan speed sensors for up to three fans Power supply voltage monitoring to detect levels above or below acceptable values Registers for storing POST hardware test results and error codes Security switch for detecting physical intrusion, such as when the chassis lid has been removed...

  • Page 20: Motherboard Connectors

    VS440FX Motherboard Technical Product Specification 1.11 Motherboard Connectors The following figure shows the connectors on the motherboard. J1F1 J1E1 Telephony Connector Wave Table J1E2 Connector 1(J3G1, J3G2) Simm Socket(4) CDROM 0 (J3H1, J3H2) Connector J5M1 Connectors(4) J2D1, J2D2 J2E1, J2F1 J7M1 Connectors(4) Secondary...

  • Page 21: Cd Audio (J1E2)

    Motherboard Description 1.11.1 CD Audio (J1E2) Signal Name Ground CD audio left channel Ground CD audio right channel 1.11.2 Wavetable Upgrade Connector (J1E1) Signal Name Wave in right Ground Wave in left Ground No connection Ground No connect MIDI_Out 1.11.3 Telephony Connector (J1F1) Signal Name Ground Audio out...

  • Page 22: Floppy Drive Connector (J9J2)

    VS440FX Motherboard Technical Product Specification 1.11.4 Floppy Drive Connector (J9J2) Signal Name Signal Name Ground DENSEL Ground Reserved FDEDIN# Ground FDINDX# (Index) Ground FDM00# (Motor enable A) Ground FDDS1# (Drive select B) Ground FDDS0# (Drive select A) Ground FDM01# (Motor enable B) MSEN1 FDDIR# Ground...

  • Page 23: Pci Ide Connectors (J9J1, J8J1)

    Motherboard Description 1.11.5 PCI IDE Connectors (J9J1, J8J1) Signal Name Signal Name Reset IDE Ground Host data 7 Host data 8 Host data 6 Host data 9 Host data 5 Host data 10 Host data 4 Host data 11 Host data 3 Host data 12 Host data 2 Host data 13...

  • Page 24: Microprocessor Fan Connector (J7M1)

    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.

  • Page 25: Front Panel Connectors

    Motherboard Description 1.11.9 Front Panel Connectors The front panel connector includes headers for these I/O connections: Speaker Reset switch Power LED Hard drive activity LED Infrared (IrDA) port Sleep switch Power switch J10H1 SPKR PWR LED HD LED INFRARED PWR ON OM04550 Figure 5.
  • Page 26 VS440FX Motherboard Technical Product Specification Front Panel I/O Connectors (continued) Signal Name Connector HD_PWR +5 V HD LED HD Active# HD_PWR No connect/Key none Ground Sleep/Power LED PWR_LED No connect/Key none Ground Reset SW_RST Ground Speaker PIEZO_IN 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.

  • Page 27: Back Panel Connectors

    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...

  • Page 28: Back Panel I/O Connectors

    VS440FX Motherboard Technical Product Specification PS/2 Mouse Parallel Port MIDI/Game Port USB-1 PS/2 Serial Port 1 Serial Port 2 Line Out Mic In Keyboard Line In USB-2 OM05524 Figure 6. Back Panel I/O Connectors...
  • Page 29 Motherboard Description 1.11.10.1 Serial Port Connectors (J1J1, J1K1) Signal Name Serial In # Serial Out # DTR# Ground DSR# RTS# CTS# Ground 1.11.10.2 PS/2 Keyboard and Mouse Connectors (J1M1) Signal Name Data No connect Ground +5 V (fused) Clock No connect 1.11.10.3 Parallel Port Connector (J1J2) Signal Name...
  • Page 30 VS440FX Motherboard Technical Product Specification 1.11.10.4 USB Connectors (J1L1) Signal Name Power USBP0# [USBP1#] USBP0 [USBP1] Ground 1.11.10.5 MIDI/Game Port (J1G1) Signal Name JBUT0 JSX1 Ground Ground JSY1 JBUT1 JBUT2 JSX2 MIDI-OUT JSY2 JBUT3 MIDI-IN...

  • Page 31: Add-In Board Expansion Connectors

    Motherboard Description 1.12 Add-in Board Expansion Connectors 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).

  • Page 32: Isa Bus Connectors

    VS440FX Motherboard Technical Product Specification Table 2. ISA Bus Connectors Signal Name Signal Name Ground IOCHK# (IOCHCK#) RESET (RESDRV) +5 V IRQ9 -5 V DRQ2 -12 V SRDY# (NOWS#) +12 V Ground IOCHRDY (CHRDY) SMEMW# (SMWTC#) SMEMR# (SMRDC#) SA19 IOW# (IOWC#) SA18 IOR# (IORC#) SA17...

  • Page 33: Jumper Settings

    Motherboard Description Table 2. ISA Bus Connectors (continued) Signal Name Signal Name IRQ11 LA21 IRQ12 LA20 IRQ15 LA19 IRQ14 LA18 DACK0# LA17 DRQ0 MEMR# (MRDC#) DACK5# MEMW# (MWTC#) DRQ5 DACK6# DRQ6 SD10 DACK7# SD11 DRQ7 SD12 +5 V SD13 Master16# (MASTER#) SD14 Ground SD15...

  • Page 34: Processor Configuration (J6D1)

    VS440FX Motherboard Technical Product Specification Table 3. Jumper Settings Function Jumper Configuration Password Clear 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...

  • Page 35: Clear Cmos (J6D1)

    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,”...

  • Page 36: Power Supply Requirements

    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: Rise time of 2 ms to 20 ms Delay of 100 ms (min) from Reset to Powergood Power down warning of 1 ms (min)

  • Page 37: Regulatory Compliance

    Motherboard Description Table 7. Power Usage DC (amps) AC (watts) +3.3 V +5 V -5 V +12 V -12 V APM disabled DOS prompt 53.1 Windows 95 54.8 Windows NT 31.6 APM enabled (Typical) DOS prompt 53.1 Windows 95 31.5 Windows NT 31.6 APM enabled (SMM)

  • Page 38: Electromagnetic Interference (Emi)

    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.

  • Page 39: Motherboard Resources

    2 Motherboard Resources 2.1 Memory Map Table 8. Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 262144 K 100000 - 10000000 255 MB Extended Memory 960 K - 1023 K F0000 - FFFFF 64 K System BIOS 944 K - 959 K EC000 - EFFFF...

  • Page 40: I/O Map

    VS440FX Motherboard Technical Product Specification 2.3 I/O Map Table 10. I/O Map Address (hex) Size Description 0000 - 000F 16 bytes PIIX3 - DMA 1 0020 - 0021 2 bytes PIIX3 - Interrupt Controller 1 002E - 002F 2 bytes Super I/O Controller Configuration Registers 0040 - 0043 4 bytes...
  • Page 41 Motherboard Resources Table 10. I/O 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...

  • Page 42: Pci Configuration Space Map

    VS440FX Motherboard Technical Product Specification 2.4 PCI Configuration Space Map Table 11. PCI Configuration Space Map Device Function Number (hex) Number (hex) Number (hex) Description Intel 82440FX (PMC) Host bridge Intel 82371FB (PIIX3 ) PCI/ISA bridge Intel 82371FB (PIIX3 ) IDE Bus Master Intel 82371FB (PIIX3 ) USB PCI Expansion Slot: J2D1 PCI Expansion Slot: J2D2...

  • Page 43: Bios And Setup Utility

    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.

  • Page 44: Bios Upgrades

    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 World Wide Web sites (refer to Section 5.2). The disk-based Flash upgrade utility, FMUP.EXE, has three options for BIOS upgrades: Update the Flash BIOS from a file on a disk Copy the current BIOS code from the Flash EEPROM to a disk file as a backup, in the event...

  • Page 45: Pci Auto-Configuration

    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.

  • Page 46: Advanced Power Management

    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: BIOS data, such as the BIOS revision level Fixed system information, such as data about the motherboard, peripherals, serial numbers and asset tags, etc.

  • Page 47: Advanced Power Control

    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: 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.

  • Page 48: Bios Setup Access Jumper

    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.

  • Page 49: Main Bios Setup Screen

    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.

  • Page 50: Floppy Options Subscreen

    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.

  • Page 51: Primary/Secondary Ide Master/Slave Configuration Subscreens

    BIOS and Setup Utility 3.15.3.3 Floppy A: Type Specifies the physical size and capacity of the diskette drive. The options are: 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 3.15.3.4 Floppy B: Type Specifies the physical size and capacity of the diskette drive.
  • Page 52 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.

  • Page 53: Boot Options Subscreen

    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: Disabled Floppy (default) Hard Disk...
  • Page 54 VS440FX Motherboard Technical Product Specification 3.15.5.5 System Cache Enables or disables both primary and secondary cache memory. The options are: Enabled (default) Disabled 3.15.5.6 Boot Speed Sets the system’s boot speed. The options are: Deturbo (the motherboard operates at the speed of an AT system) Turbo (boot-up occurs at full speed) (default) 3.15.5.7 Num Lock...
  • Page 55 BIOS and Setup Utility 12 seconds 15 seconds 21 seconds 30 seconds 3.15.5.11 Typematic Rate Programming Sets the typematic rates. The options are: Default (default) 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.

  • Page 56: Advanced Screen

    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 screen options.

  • Page 57: Peripheral Configuration Subscreen

    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: Disabled Auto (default) 3.15.7.2...
  • Page 58 VS440FX Motherboard Technical Product Specification 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: Disabled LPT3, 3BCh, IRQ7 LPT1, 378h, IRQ7...

  • Page 59: Advanced Chipset Configuration Subscreen

    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: 512 KB 640 KB (default) 3.15.8.2 ISA LFB Size Sets the size of the linear frame buffer.

  • Page 60: Power Management Configuration Subscreen

    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.

  • Page 61: Plug And Play Configuration Subscreen

    BIOS and Setup Utility 3.15.9.7 Power-On COM1 Ring Power-On COM1 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 COM1. Enables the system to power on when a telephony device configured for operation on COM1 receives an incoming POTS call.

  • Page 62: Event Logging Configuration Subscreen

    VS440FX Motherboard Technical Product Specification By default, upper memory 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.

  • Page 63: Security Screen

    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.

  • Page 64: Security Screen Options

    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 all Can change all None options* options* Administrative only Can change all options Can change a limited None number of options ** User only...

  • Page 65: Exit Screen

    BIOS and Setup Utility 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.

  • Page 67: Error Messages And Beep Codes

    4 Error Messages and Beep Codes 4.1 BIOS Beep Codes Beeps Error Message Description Refresh Failure The memory refresh circuitry on the motherboard is faulty. 1 continuous Memory Failure Memory failure in the first memory block checked. 1 long and Display Memory Read/Write The system video adapter is either missing or its memory is 2 short...

  • Page 68: Pci Configuration Error Messages

    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 Explanation Bad PnP Serial ID Checksum The Serial ID checksum of a Plug and Play card is invalid. Floppy Disk Controller Resource The floppy disk controller has requested a resource that is already in Conflict...

  • Page 69: Bios Error Messages

    Error Messages and Beep Codes 4.3 BIOS Error Messages Error Message Explanation 8042 Gate - A20 Error Gate A20 on the keyboard controller is not working. Address Line Short! Error in the address decoding circuitry on the motherboard. CH-2 Timer Error There is an error in Counter/Timer 2.

  • Page 70: Isa Nmi Messages

    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 ????. I/O Card Parity Error at An expansion card failed.

  • Page 71: Compliance With Specifications

    5 Compliance with Specifications 5.1 Specifications The motherboard complies with the following specifications: Advanced Power Management Specification, revision 1.2 ATX Specification, release 1.1 Infrared Data Association (IrDA) Serial Infrared Data Link Standards Multimedia PC Level 3 Specification, release 1.3 PCI BIOS Specification, revision 2.1 PCI Local Bus Specification, revision 2.1 Universal Serial Bus Specification, revision 1.0 USB Host Controller Interface Specification, revision 1.0...

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