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VIA Technologies A7F129 Manual

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A7F129 Mainboard Manual

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  • Page 1 A7F129 Mainboard Manual...
  • Page 3 Copyright Notice ©Copyright 2000 The information contained in this user’s manual and all accompany- ing documentation is copyrighted and all rights are reserved. This publication may not, in whole or in part, be reproduced, transcribed, stored in a retrieval system, translated into any language or com- puter language, or transmitted in any form whatsoever without the prior written consent from the manufacturer, except for copies re- tained by the purchasers for their personal archival purposes.
  • Page 4 Preface Using This Manual This manual is designed to help you build a reliable Personal Com- puter based on the A7F129 platform. Chapter 1—Quick Reference This chapter is for advanced users who want to quickly assemble a system. The mainboard layout along with jumper and switch settings, and memory configuration are provided.

  • Page 5: Table Of Contents

    Preface Table of Contents A7F129 QUICK REFERENCE ..............1 1.1................1 AINBOARD AYOUT 1.2. I/O P ....................2 ORTS 1.3..................3 ANEL ONNECTOR 1.4.....................4 UMPERS 1.5..............5 RONTSIDE PEED WITCH 1.6. AGP F ..........6 REQUENCY ETTINGS 1.7.................6 EMORY NSTALLATION 1.8.
  • Page 6 Preface 4.11..........59 UPERVISOR ASSWORD 4.12. & E ................60 ETUP 4.13..............60 ITHOUT AVING KM/KL MAINBOARD B IOS ..............61 5.1..................62 NTERING ETUP 5.2. CMOS F .............64 TANDARD EATURES 5.3. BIOS F ...............67 DVANCED EATURES 5.4............70 DVANCED HIPSET EATURES 5.5.

  • Page 7: A7F129 Quick Reference

    1. A7F129 Quick Reference 1.1. Mainboard Layout PS/2 mouse/keyboard ports ports F R E E L O C K Parallel serial ports port (KT133) Game audio ports J P 5 J P 3 J P 4 W O M W O L...

  • Page 8: I/O Ports

    Mainboard User’s Manual 1.2. I/O Ports 1.2.1. KT133/133A Parallel port (LPT1) PS/2 Game port Line-out mouse Line-in ports PS/2 Microphone keyboard Serial port COM 1 1.2.2. KM133/KM133A/KL133/KL133A Parallel port (LPT1) PS/2 Game port Line-out mouse Line-in ports PS/2 Microphone keyboard Serial port COM 1 port...

  • Page 9: Panel Connector

    A7F129 Quick Reference 1.3. Panel Connector The following illustration shows the front panel connector pin as- signments: Ground Ground POWER SWITCH Power on/off Keylock POWER LED & KEYLOCK LED anode RESET BUTTON Reset Single LED cathode LED anode STANDBY LED cathode...

  • Page 10: Jumpers

    Mainboard User’s Manual 1.4. Jumpers 1-2: Normal Mode 2-3: Clear CMOS RAM 1-2: Enables the Suspend to RAM (STR) function 2-3: Disables the STR function JP4 & JP5 DIMM Voltage +3.3V +3.4V +3.5V +3.6V CPU clock ratio 11.5 12.5 10.5 Jumpers...

  • Page 11: Frontside Bus Speed Switch

    A7F129 Quick Reference 1.5. Frontside Bus Speed Switch Use these switches to set the system’s frontside bus (FSB) speed. Memory Strapping switch (SW1) CPU clock Frequency 100 MHz 33.33 MHz 133 MHz 33.33 MHz Frontside BUS Speed Switch (SW3) 100 MHz 33.33 MHz...

  • Page 12: Pci And Agp Frequency Settings

    Mainboard User’s Manual 1.6. PCI and AGP Frequency Settings The PCI and AGP frequency settings are automatically set by the system. 1.7. Memory Installation 168-Pin DIMM SDRAM Memory Configuration Bank 0 (DIMM1) 8, 16, 32, 64, 128, 256, 512 MB Bank 1 (DIMM2) 8, 16, 32, 64, 128, 256, 512 MB Bank 2 (DIMM3)

  • Page 13: Introduction

    2. Introduction 2.1. Overview The A7F129 is a high performance, enhanced function mainboard that supports 64-bit AMD Athlon/Duron™ Socket 462 processors. This mainboard is designed around the latest and fastest VIA KT133/KT133A/KM133/KM133A/KL133/KL133A chipset in a stan- dard ATX form factor.

  • Page 14: Mainboard Specifications And Features

    Mainboard User’s Manual 2.2. Mainboard Specifications and Features 2.2.1. Hardware AMD Athlon/Duron Socket 462 (Socket A) processors Onboard Voltage Regulator Module Provides 1.1V to 1.85V operating voltage Coprocessor CPU has built-in floating point unit Speed System bus clock 100/133 MHz (133MHz KT/KM/KL133A) AGP clock 66 MHz AGP 1x/2x/4x PCI bus clock 33 MHz...
  • Page 15 Introduction Slots Five 32-bit PCI slots One 8/16-bit ISA slot Power Compliant with EPA, APM 1.2 and ACPI Management ATX soft-off power control Power – on by external modem ring Power – on by alarm Power – on by Wake On LAN (WOL) System CPU temperature warning and system temperature detection Management...

  • Page 16: Mainboard Layout

    Mainboard User’s Manual 2.3. Mainboard Layout Note: Because of optional items and design changes, your main- board may not be identical to the one shown in the illustration. Mainboard Layout...

  • Page 17: Microprocessor

    Introduction Key to Mainboard Components Name Function ATX power connector Socket 462 CPU socket Northbridge VIA VT8363A/VT8365A system controller DIMM1~3 Memory module slots CPU clock speed switch Floppy drive connector CPU clock speed switch IDE1 IDE 1 connector IDE2 IDE 2 connector Southbridge VIA VT82C686A/686B ATA-66/100 PCI to ISA bridge...

  • Page 18: Cpu Packaging

    Mainboard User’s Manual 2.5. CPU Packaging Socket-462 CPUs are packaged in a PGA configuration. 2.6. Chipset The A7F121supports VIA KT133/KT133A/KM133/KM133A/ KL133/KL133A chipsets each chipset comes in a pair—the North- bridge chip and the Southbridge chip. • Northbridge CPU interface controller (266 MHz FSB) •...

  • Page 19: Hardware Installation

    Of course, you can use the system I/O ports and expansion slots to add many more features and components to your system than the items listed above. 3.1. Unpacking The A7F129 mainboard package contains the following items: q One mainboard q One IDE 40-pin ribbon cable q One floppy 34-pin ribbon cable...

  • Page 20: Installation

    Mainboard User’s Manual 3.2. Installation The A7F129 is designed to fit into a standard ATX form factor chas- sis. The pattern of the mounting holes and the position of the back panel connectors meet the ATX system board specification. The chassis comes with various mounting fasteners, which are made of metal or plastic.

  • Page 21: Safety Measures

    Hardware Installation 3.3. Safety Measures Computer components and electronic circuit boards can be damaged by discharges of static electricity. Working on computers that are still connected to a power supply can be extremely dangerous. Follow the simple guidelines below to avoid damaging your computer: •...

  • Page 22: Connector/Jumper Location

    Mainboard User’s Manual 3.4. Connector/Jumper Location F R E E L O C K Connector/Jumper Location...

  • Page 23: Attaching Connectors

    Hardware Installation 3.5. Attaching Connectors 3.5.1. Front Panel Connectors There are six connectors on the mainboard for speaker, switches, and indicator lights on the system’s front panel. Front Panel Connectors Ground Ground POWER SWITCH Power on/off Keylock POWER LED & KEYLOCK LED anode RESET BUTTON...
  • Page 24 Mainboard User’s Manual 3.5.2. Infrared (IR) Connectors This 5-pin connector connects to an optional wireless transmitting and receiving infrared module via a cable and a bracket. Configure BIOS to enable the IrDA port if you attach an infrared module to this connector.
  • Page 25 Hardware Installation 3.5.4. Wake on LAN/Modem Connectors These 3-pin headers are used for remote wake up of the computer through a network or modem signal. Wake On Modem Connector Pin 1 Wake On LAN Connector Pin 1 Note: You must enable the Wake On LAN/Wake On Modem features in the BIOS setup if you use this feature.
  • Page 26 Mainboard User’s Manual 3.5.6. IDE Connectors An IDE drive ribbon cable has two connectors to support four IDE drives. If a ribbon cable connects to two IDE drives at the same time, one of them has to be configured as Master and the other has to be configured as Slave by setting the drive select jumpers on the drive.
  • Page 27 Hardware Installation PS/2 Mouse and PS/2 Keyboard Ports Connect a PS/2 mouse to the green 6-pin mini DIN connector. The system will automatically assign IRQ 12 to the PS/2 mouse if one is connected. PS/2 mouse PS/2 keyboar Connect a PS/2 keyboard to the purple 6-pin mini DIN connector. If you want to connect a standard AT size (large DIN) connector, you must use an adapter.
  • Page 28 Mainboard User’s Manual Serial and VGA Ports (KM/KL133 and KM/KL133A) Connect a serial device such as a mouse or modem to the turquoise 9- pin serial port. You can set the serial port IRQs in BIOS. The VGA port is used to connect an external monitor. Refer to Integrated Pe- ripherals in Chapter 4 for details.
  • Page 29 Hardware Installation Audio Port Connectors You can connect various audio devices to these audio jacks. Connect headphones or powered speakers to the lime-colored line-out connec- tor. Connect a tape player or another audio source to the light blue line-in connector to record audio on your computer or to play audio through your computer’s sound chip and speakers.
  • Page 30 Mainboard User’s Manual CPU/System/NB Fan Power Supplies There are three fan connectors on the mainboard for the cooling fans. The connectors support fans of 12V DC/500mAMP (six watt) or less. When the system goes into sleep state, fans should be shut down to eliminate audible noise and reduce power consumption.

  • Page 31: Installing The Cpu

    Hardware Installation 3.6. Installing the CPU 3.6.1. Before You Begin Be sure that your processor kit includes the following items: ♦ One processor with the fan or heat sink attached ♦ One power cable (for CPU with cooling fan attached) Place the mainboard on a workbench (not in a chassis).
  • Page 32 Mainboard User’s Manual Identify the pin-1 corner of the processor (the pin-1 corner on the processor has a beveled edge). Socket Lever Processor Align the pin-1 corners and drop the processor into the Socket-462. The processor should drop into place without any force.
  • Page 33 Hardware Installation 3.6.4. Installing System Memory Maximum system memory supported by the mainboard is 1.5 GB. The mainboard has three DIMM Sockets. Memory can be installed using 168-pin SDRAM DIMM memory modules. There are no jumper settings required for the memory size or type, which is auto- matically detected by the BIOS.
  • Page 34 Mainboard User’s Manual Due to the high-speed design of the mainboard, the memory modules must meet the following requirements: DRAM TYPE SDRAM (Synchronous DRAM) Module Size Single Sided Asymmetric 1Mx64, 4Mx64, 8Mx64, 16Mx64 Double-Sided Asymmetric 2Mx64, 4Mx64, 8Mx64, 16Mx64, 32Mx64 Requirements SDRAM Extended Data Output...
  • Page 35 Hardware Installation 3.6.5. Setting Jumpers and Switches Refer to the following illustration and instructions to set the jumper and switches on your mainboard. CPU Clock Ratio setting CPU FSB Switch (SW3) Memory Strapping Switch (SW1) DIMM voltage selection Settings Suspend to RAM (STR) function Settings Pin 1 Clear CMOS/Password Settings...
  • Page 36 Mainboard User’s Manual Frontside BUS Speed Switch (SW3) Use this switch to set the system’s frontside bus (FSB) speed. 100 MHz 33.33 MHz 110 MHz 36.67 MHz 133 MHz 33.33 MHz Note: A CPU clock speed setting of 100/110 MHz requires that the installed memory modules are PC-100/133.
  • Page 37 Hardware Installation Clear CMOS/Password Jumper You may need to clear the CMOS if your system cannot boot up be- cause you forgot your password, the CPU clock setup is incorrect, or the CMOS settings need to be reset to default values after the system BIOS has been updated.
  • Page 38 Mainboard User’s Manual DIMM Voltage selection Jumpers Use these jumpers to select the DIMM voltage. JP4 & JP5 DIMM Voltage +3.3V +3.4V +3.5V +3.6V 3.6.6. Auto Power On After losing AC power, the system will not turn on automatically when the power comes back unless you set the options in BIOS. This concludes Chapter 3.

  • Page 39: Kt Mainboard Bios

    4. KT Mainboard BIOS After the hardware configuration of the mainboard is finished, and the system hardware has been assembled, the system may be pow- ered up. At this point, CMOS setup should be run to ensure that system information is correct. The mainboard employs the latest Award BIOS CMOS chip with support for Windows Plug and Play.

  • Page 40: Entering Setup

    Mainboard User’s Manual This program should be executed under the following conditions: • When changing the system configuration • When a configuration error is detected by the system and you are prompted to make changes to the Setup program • When resetting the system clock •...
  • Page 41 KT Mainboard BIOS After the POST routines are completed, the following message ap- pears: “Press DEL to enter SETUP” To access the AWARD BIOS SETUP program, press the <DEL> key to display the CMOS SETUP UTILITY screen: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Standard CMOS Features Frequency/Voltage Control Load Optimized Defaults...

  • Page 42: Standard Cmos Features

    Mainboard User’s Manual 4.2. Standard CMOS Features Standard CMOS Features is the same for all three chipsets. Selecting STANDARD CMOS Features on the main program screen displays the following menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Standard CMOS Features Date (mm:dd:yy) Tue, July 11 2000...
  • Page 43 KT Mainboard BIOS CMOS Setup Utility – Copyright © 1984 – 2000 Award Software IDE Primary Master IDE HDD Auto-Detection Press Enter Item Help IDE Primary Master [Auto] Menu Level Access Mode [Auto] To auto-detect the Capacity 0 MB HDD’s size, head . . . on Cylinder this channel Head...
  • Page 44 Mainboard User’s Manual IDE Primary/Secondary Master/Slave: If you leave this item at Auto, the system will automatically detect and configure any IDE devices it finds. If it fails to find a hard disk, change the value to Manual and then manually configure the drive by entering the char- acteristics of the drive in the items below (Capacity, Cylinder, Head, Precomp, etc.).

  • Page 45: Advanced Bios Features

    KT Mainboard BIOS • All, But Keyboard (default) • All, But Diskette • All, But Disk/Key Base/Extended/Total Memory: These items are automatically de- tected by the system at start up time. These are display-only fields. You cannot make changes to these fields. After you have made your selections in the Standard CMOS Setup screen, press <ESC>...
  • Page 46 Mainboard User’s Manual Virus Warning: When enabled, any attempt to write to the boot sec- tor or partition table will halt the system and cause a warning message to appear. If this happens, you can use an anti-virus utility on a virus free, bootable floppy diskette to reboot and clean your sys- tem.
  • Page 47 KT Mainboard BIOS Gate A20 Option: This option accesses memory above 1 MB using the fast gate A20 line when set to Fast (default). The other option is Normal. Typematic Rate Setting: If set to Enabled, enables you to set the Typematic Rate and Typematic Delay.

  • Page 48: Advanced Chipset Features

    Mainboard User’s Manual 4.4. Advanced Chipset Features Selecting Advanced Chipset Features on the main program screen displays this menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Advanced Chipset Features DRAM Clock [100MHz] Item Help SDRAM Cycle Length Bank Interleave [Disabled] Menu Level...
  • Page 49 KT Mainboard BIOS Memory Hole: If Set to Enabled, when the system memory size is equal to or greater than 16M bytes, the physical memory address from 15M to 16M will be passed to PCI or ISA and there will be a 1 MB hole in your system memory.
  • Page 50 Mainboard User’s Manual OnChip USB: This should be enabled if your system has a USB in- stalled on the system board and you wish to use it. The default is Enabled. USB Keyboard Support: Enables function when the USB keyboard is being used.

  • Page 51: Integrated Peripherals

    KT Mainboard BIOS 4.5. Integrated Peripherals Selecting Integrated Peripherals on the main program screen displays this menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Integrated Peripherals On-Chip IDE Channel0 [Enabled ] Item Help On-Chip IDE Channel1 [Enabled] IDE Prefetch Mode [Enabled]...
  • Page 52 Mainboard User’s Manual • Auto (default) • Mode 0 • Mode 1 • Mode 2 • Mode 3 • Mode 4 IDE Primary/Secondary Master/Slave UDMA: When set to Auto the BIOS will automatically load the Ultra DMA 33 driver to match the transfer rate of IDE hard disk drives that support Ultra DMA 33 mode.
  • Page 53 KT Mainboard BIOS IR Function Duplex: This field is available when UART 2 Mode is set to either ASKIR or HPSIR. This item enables you to determine the infrared (IR) function of the onboard infrared chip. Full-duplex lets you transmit and send information simultaneously while half- duplex (default) is the transmission of data in both directions, but only one direction at a time.
  • Page 54 Mainboard User’s Manual SB I/O Base Address: This item lets you set the I/O base address for the Sound Blaster card. There are four options: • 220H (default) • 240H • 260H • 280H SB IRQ Select: This item lets you set the Interrupt Request (IRQ) for the Sound Blaster card.

  • Page 55: Power Management Setup

    KT Mainboard BIOS 4.6. Power Management Setup Power Management Setup controls the mainboard’s Green features. Selecting Power Management Setup on the main program screen dis- plays this menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Power Management Setup ACPI function [Enabled ] Item Help...
  • Page 56 Mainboard User’s Manual Power Management: This item enables you to choose the type of Power Management you want. Selecting Power Management and pressing <Enter> displays the following screen: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Power Management Power Management [User Define] Item Help...
  • Page 57 KT Mainboard BIOS ACPI Suspend Type: Use this item to define how your system sus- pends. In the default, S1(POS), the suspend mode is equivalent to a software power down. If you select S3 (STR), the suspend mode is a suspend to RAM –...
  • Page 58 Mainboard User’s Manual Wake Up Events: This item opens a submenu that enables you to set events that will resume the system from a power saving mode. Select Wake Up Events and press <Enter> to display the following menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Wake Up Events [OFF] Item Help...
  • Page 59 KT Mainboard BIOS Primary INTR: This item opens a submenu that enables you to set IRQs that will resume the system from a power saving mode. Select IRQs Activity Monitoring and press <Enter> to display the following menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software IRQs Activity Monitoring IRQ 3 (COM2)

  • Page 60: Pnp/Pci Configurations

    Mainboard User’s Manual 4.7. PnP/PCI Configurations Both the ISA and PCI buses on the Mainboard use system IRQs (In- terrupt ReQuests) and DMAs (Direct Memory Access). You must set up the IRQ and DMA assignments correctly through the PnP/PCI Configurations utility; otherwise, the mainboard will not work prop- erly.
  • Page 61 KT Mainboard BIOS Reset Configuration Data: The system BIOS supports the Plug and Play feature so the resources assigned to each peripheral have to be recorded to prevent them from conflicting. The location to store the assigned resources is called ESCD (Extended System Configuration Data) which is located in the system flash EEPROM.

  • Page 62: Pc Health Status Option

    Mainboard User’s Manual PCI/VGA Palette Snoop: This item is designed to overcome some problems that can be caused by some non-standard VGA cards. This board includes a built-in VGA system that does not require palette snooping so you must leave this item disabled. Assign IRQ for USB/VGA: Names the interrupt request (IRQ) line assigned to the USA/VGA (if any) on your system.

  • Page 63: Frequency/Voltage Control

    KT Mainboard BIOS System Component Characteristics: These fields provide you with information about the systems current operating status. You cannot make changes to these fields. The following information is displayed: • CPU temperature • System temperature • CPU FAN speed (in RPMs) •...
  • Page 64 Mainboard User’s Manual CPU Vcore Select: Enables you to set the CPU Vcore voltage. Op- tions are: • Default (default) • +0.025V • +0.050V • +0.075V • +0.100V • +0.125V • +0.150V • +0.175V Auto Detect DIMM/PCI Clk: When this item is enabled, BIOS will disable the clock signal of free DIMM and PCI slots.

  • Page 65: Load Optimized Defaults Option

    KT Mainboard BIOS 4.10. Load Optimized Defaults Option This option opens a dialog box that lets you install optimized defaults for all appropriate items in the whole Setup Utility. Press the <Y> key and then <Enter> to install the defaults. Press the <N> key and then <Enter>...

  • Page 66: Save & Exit Setup

    Mainboard User’s Manual 4.12. Save & Exit Setup Selecting this option and pressing <Enter> will save the new setting information in the CMOS memory and continue with the booting process. 4.13. Exit Without Saving Selecting this option and pressing <Enter> will exit the Setup Utility without recording any new values or changing old ones.

  • Page 67: Km/Kl Mainboard Bios

    KM/KL Mainboard BIOS 5. KM/KL Mainboard BIOS After the hardware configuration of the mainboard is finished, and the system hardware has been assembled, the system may be pow- ered up. At this point, CMOS setup should be run to ensure that system information is correct.

  • Page 68: Entering Setup

    Mainboard User’s Manual This program should be executed under the following conditions: • When changing the system configuration • When a configuration error is detected by the system and you are prompted to make changes to the Setup program • When resetting the system clock •...
  • Page 69 KM/KL Mainboard BIOS After the POST routines are completed, the following message ap- pears: “Press DEL to enter SETUP” To access the AWARD BIOS SETUP program, press the <DEL> key to display the CMOS SETUP UTILITY screen: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Standard CMOS Features Frequency/Voltage Control Load Fail-Safe Defaults...

  • Page 70: Standard Cmos Features

    Mainboard User’s Manual 5.2. Standard CMOS Features Standard CMOS Features is the same for all three chipsets. Selecting STANDARD CMOS Features on the main program screen displays the following menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Standard CMOS Features Date (mm:dd:yy) Tue, July 11 2000...
  • Page 71 KM/KL Mainboard BIOS CMOS Setup Utility – Copyright © 1984 – 2000 Award Software IDE Primary Master IDE HDD Auto-Detection Press Enter Item Help IDE Primary Master [Auto] Menu Level Access Mode [Auto] To auto-detect the Capacity 0 MB HDD’s size, head . . . on Cylinder this channel Head...
  • Page 72 Mainboard User’s Manual IDE Primary/Secondary Master/Slave: If you leave this item at Auto, the system will automatically detect and configure any IDE devices it finds. If it fails to find a hard disk, change the value to Manual and then manually configure the drive by entering the char- acteristics of the drive in the items below (Capacity, Cylinder, Head, Precomp, etc.).

  • Page 73: Advanced Bios Features

    KM/KL Mainboard BIOS • All, But Keyboard (default) • All, But Diskette • All, But Disk/Key Base/Extended/Total Memory: These items are automatically de- tected by the system at start up time. These are display-only fields. You cannot make changes to these fields. After you have made your selections in the Standard CMOS Setup screen, press <ESC>...
  • Page 74 Mainboard User’s Manual The following explains the options for each feature: Virus Warning: When enabled, any attempt to write to the boot sec- tor or partition table will halt the system and cause a warning message to appear. If this happens, you can use an anti-virus utility on a virus free, bootable floppy diskette to reboot and clean your sys- tem.
  • Page 75 KM/KL Mainboard BIOS Boot Up Numlock Status: If set to Off, the cursor controls will function on the numeric keypad. The default setting is On. Gate A20 Option: This option accesses memory above 1 MB using the fast gate A20 line when set to Fast (default). The other option is Normal.

  • Page 76: Advanced Chipset Features

    Mainboard User’s Manual 5.4. Advanced Chipset Features Selecting Advanced Chipset Features on the main program screen displays this menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Advanced Chipset Features DRAM Timing By SPD [Enabled] Item Help DRAM Clock 100MHz SDRAM Cycle Length...
  • Page 77 KM/KL Mainboard BIOS Bank Interleave: Enable this item to increase memory speed. When enabled, separate memory banks are set for odd and even addresses and the next byte of memory can be accessed while the current byte is being refreshed. The default setting is Disabled. Memory Hole: If Set to Enabled, when the system memory size is equal to or greater than 16M bytes, the physical memory address from 15M to 16M will be passed to PCI or ISA and there will be a 1...
  • Page 78 Mainboard User’s Manual AGP Driving Control: This item can be used to signal driving cur- rent on AGP cards to Auto or Manual. Some AGP cards need stronger than normal driving current in order to operate. The default is Auto. AGP Driving Value: When the previous item AGP Driving Control is set to Manual, you can use this item to set the AGP current driving value.
  • Page 79 KM/KL Mainboard BIOS PCI#2 Access #1 Retry: When enabled, the AGP Bus (PCI#1) ac- cess to PCI Bus (PCI#2) is executed with the error retry feature. The default is Enabled. AGP Master 1 WS Write: This implements a single delay when writing to the AGP Bus.

  • Page 80: Integrated Peripherals

    Mainboard User’s Manual 5.5. Integrated Peripherals Selecting Integrated Peripherals on the main program screen displays this menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Integrated Peripherals On-Chip IDE Channel0 [Enabled ] Item Help On-Chip IDE Channel1 [Enabled] IDE Prefetch Mode [Enabled]...
  • Page 81 KM/KL Mainboard BIOS • Auto (default) • Mode 0 • Mode 1 • Mode 2 • Mode 3 • Mode 4 IDE Primary/Secondary Master/Slave UDMA: When set to Auto the BIOS will automatically load the Ultra DMA 33 driver to match the transfer rate of IDE hard disk drives that support Ultra DMA 33 mode.
  • Page 82 Mainboard User’s Manual IR Function Duplex: This field is available when UART 2 Mode is set to either ASKIR or HPSIR. This item enables you to determine the infrared (IR) function of the onboard infrared chip. Full-duplex lets you transmit and send information simultaneously while half- duplex (default) is the transmission of data in both directions, but only one direction at a time.
  • Page 83 KM/KL Mainboard BIOS SB I/O Base Address: This item lets you set the I/O base address for the Sound Blaster card. There are four options: • 220H (default) • 240H • 260H • 280H SB IRQ Select: This item lets you set the Interrupt Request (IRQ) for the Sound Blaster card.

  • Page 84: Power Management Setup

    Mainboard User’s Manual 5.6. Power Management Setup Power Management Setup controls the mainboard’s Green features. Selecting Power Management Setup on the main program screen dis- plays this menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Power Management Setup ACPI function [Enabled ] Item Help...
  • Page 85 KM/KL Mainboard BIOS Power Management: This item enables you to choose the type of Power Management you want. Selecting Power Management and pressing <Enter> displays the following screen: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Power Management Power Management [User Define] Item Help...
  • Page 86 Mainboard User’s Manual ACPI Suspend Type: Use this item to define how your system sus- pends. In the default, S1(POS), the suspend mode is equivalent to a software power down. If you select S3 (STR), the suspend mode is a suspend to RAM –...
  • Page 87 KM/KL Mainboard BIOS Wake Up Events: This item opens a submenu that enables you to set events that will resume the system from a power saving mode. Select Wake Up Events and press <Enter> to display the following menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software Wake Up Events [OFF] Item Help...
  • Page 88 Mainboard User’s Manual Primary INTR: This item opens a submenu that enables you to set IRQs that will resume the system from a power saving mode. Select IRQs Activity Monitoring and press <Enter> to display the following menu: CMOS Setup Utility – Copyright (C) 1984 – 2000 Award Software IRQs Activity Monitoring IRQ 3 (COM2)

  • Page 89: Pnp/Pci Configurations

    KM/KL Mainboard BIOS 5.7. PnP/PCI Configurations Both the ISA and PCI buses on the Mainboard use system IRQs (In- terrupt ReQuests) and DMAs (Direct Memory Access). You must set up the IRQ and DMA assignments correctly through the PnP/PCI Configurations utility; otherwise, the mainboard will not work prop- erly.
  • Page 90 Mainboard User’s Manual Reset Configuration Data: The system BIOS supports the Plug and Play feature so the resources assigned to each peripheral have to be recorded to prevent them from conflicting. The location to store the assigned resources is called ESCD (Extended System Configuration Data) which is located in the system flash EEPROM.

  • Page 91: Pc Health Status Option

    KM/KL Mainboard BIOS 5.8. PC Health Status Option On mainboards that support hardware monitoring, this item lets you monitor the parameters for critical voltages, critical temperatures, and fan speeds. Selecting PC Health Status on the main program screen displays this menu: CMOS Setup Utility –...

  • Page 92: Frequency/Voltage Control

    Mainboard User’s Manual 5.9. Frequency/Voltage Control This item enables you to set the clock speed and system bus for your system. The clock speed and system bus are determined by the kind of processor you have installed in your system. CMOS Setup Utility –...

  • Page 93: Load Fail-Safe Defaults Option

    KM/KL Mainboard BIOS Clock By Slight Adjust: Enables you to set the CPU Bus clock (CPU Frequency) manually from 100 MHz to 166 MHz. After you have made your selections in the Frequency/Voltage Con- trol Setup, press the <ESC> key to go back to the main program screen.

  • Page 94: Set Supervisor/User Password

    Mainboard User’s Manual 5.12. Set Supervisor/User Password The Supervisor/User Password utility sets the password. The main- board is shipped with the password disabled. If you want to change the password, you must first enter the current password, then at the prompt enter your new password.

  • Page 95: Driver And Utility

    6. Driver and Utility 6.1. Flash Utility The BIOS of the A7F129 mainboard can be upgraded by using a Flash utility. A new version of the BIOS can be downloaded from the factory's BBS and Web site. The system BIOS is stored in a 1 M-bit Flash EEPROM that can be erased and reprogrammed by the Flash utility.

  • Page 96: System Environment Monitor

    Mainboard User’s Manual 6.3. System Environment Monitor The System Environment Monitoring utility along with the onboard VT82C686A/686B system monitor chip enables you to monitor your system’s operating characteristics such as temperature, fan speed and CPU voltage. Using this utility, you can define the upper and lower limits of these monitored parameters.
  • Page 97 Driver and Utility Click on the VIA Hardware Monitor System icon to access the program. 6.3.2. Setting the Threshold Set the threshold for system temperature, voltages and fan speeds. System Environment Monitor...

  • Page 98: Ata66/100 Controller Options

    Mainboard User’s Manual 6.4. ATA66/100 Controller Options When using the ATA66/100 controller, the BIOS setting allows users to Set Device Mode and Select Boot Sequence. Setting Device Mode: Choose UDMA (0~4), PIO (0~4), and MW DMA (0~2) setting options transfer mode for any hard disks (ATA66/100) controlled by VT82C686A/686B.

  • Page 99: Online Services

    Driver and Utility 6.6. Online Services Flexus Computer Technology, under the Freetech brand name, has consistently won recognition for excellence in the design and manu- facturing of high quality mainboards! Our products are globally recognized among the leading cost- performance mainboards in the industry today and we are a certified ISO-9002 manufacturer! Our customers are our partners! Flexus practices partnership service not customer service! Our attention to partnership service is aggres-...

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