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Gigabyte 5AX User Manual

Gigabyte 5AX User Manual

Pentium processor pci - isa bus mainboard
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USER'S MANUAL
¯ Support Intel Pentium, MMX, Cyrix/IBM, 6x86MX, MII, AMD K6, K6-2
K6-2+, K6-III , IDT Winchip 2, IDT Winchip 3, RISE MP6 CPUs.
¯ Support 3 Steps ACPI LED.
¯ Support ATA 66 , UDMA 33 Hard Drive .
¯ Support Fully AGP 1.0 Specification.
¯ Support switching mode Voltage regulator on Board (1.3V~3.5V) .
¯ Support 66/75/83/95 MHz and 100MHz.
¯ Support Modem Ring On (COM A,COM B).
¯ Support Wake on Lan. (Your ATX power supply must support
larger than 720 mA 5V Stand-By current).
¯ Support Keyboard Power ON/OFF function. ( Your ATX power
supply supports larger than 300 mA 5V Stand-By current)
(Dependent on the specification of keyboards).
¯ Thermal Protection
Pentium
Processor PCI - ISA BUS MAINBOARD
REV. 5.2 Second Edition
5AX
R-52-02-091210

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  • Page 1 USER'S MANUAL ¯ Support Intel Pentium, MMX, Cyrix/IBM, 6x86MX, MII, AMD K6, K6-2 K6-2+, K6-III , IDT Winchip 2, IDT Winchip 3, RISE MP6 CPUs. ¯ Support 3 Steps ACPI LED. ¯ Support ATA 66 , UDMA 33 Hard Drive . ¯...
  • Page 3 The author assumes no responsibility for any errors or omissions which may appear in this document nor does it make a commitment to update the information contained herein. ¯THIRD-PARTY BRANDS AND NAMES ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS. Dec. 10, 1999 Taipei, Taiwan...
  • Page 4 Quick Installation Guide CPU Jumper Setting Table: SW: CPU INT./ EXT. FREQ. RATIO O: ON X: OFF 1.3V 2.5V 1.4V 2.6V 1.5V 2.7V 1.6V 2.8V 1.7V 2.9V 1.8V 3.0V 1.9V 3.1V 2.0V 3.2V 2.1V 3.3V 2.2V 3.4V 2.3V 3.5V 2.4V JP10 JP10 X1.5...
  • Page 5 120 , 125 , 130 , 135 or 140 MHz because these frequencies are not the standard specifications for CPU, Chipset and most of the peripherals. Whether your system can run under 105, 110, 115,120, 125, 130, 135 or 140 MHz properly will depend on your hardware configurations: CPU, SDRAM, Cards, etc.
  • Page 6 Quick Installation Guide Quick Installation Guide: O: ON X: OFF JP7 JP8 JP9 1. Pentium 133 MHz 2-3 2-3 2-3 1-2 2. Pentium 166 MHz 2-3 2-3 2-3 1-2 3. Pentium 200 MHz 2-3 2-3 2-3 1-2 4. Intel MMX-166MHz 2-3 2-3 2-3 1-2 5.
  • Page 7 26. AMD-K6-2/500 (100*5 1-2 1-2 2-3 1-2 2.4V) 27. AMD-K6-2/550 1-2 1-2 2-3 1-2 (100*5.5 2.2V) 28. AMD-K6-III/400 (100*4 1-2 1-2 2-3 1-2 2.2V) 29. AMD-K6-III/400 (100*4 1-2 1-2 2-3 1-2 2.4V) 30.AMD-K6-III/450 1-2 1-2 2-3 1-2 (100*4.5 2.2V) 31.AMD-K6-III/450 1-2 1-2 2-3 1-2 (100*4.5 2.4V) 32.
  • Page 8 Quick Installation Guide JP7 JP8 JP9 33. AMD-K6-III/475 (95*5 1-2 1-2 2-3 2-3 2.4V) 34. AMD-K6-III/500 (100*5 1-2 1-2 2-3 1-2 2.2V) 35. AMD-K6-III/500 (100*5 1-2 1-2 2-3 1-2 2.4V) 36. AMD-K6-III/550 1-2 1-2 2-3 1-2 (100*5.5 2.2V) 37. Cyrix/IBM 6x86MX-PR166 2-3 2-3 2-3 1-2 (66*2 2.9V) 38.
  • Page 9 53. IDT Winchip 2-200 1-2 1-2 2-3 1-2 (100*2 3.5V) 54. IDT Winchip 2-225 1-2 2-3 2-3 2-3 (75*3 3.5V)
  • Page 10 Quick Installation Guide JP7 JP8 JP9 55. IDT Winchip 2-233 2-3 2-3 2-3 1-2 (66*3.5 3.5V) 56. IDT Winchip 2-233 1-2 1-2 2-3 1-2 (100*2.33 3.5V) 57. IDT Winchip 2-266 2-3 2-3 2-3 1-2 (66*4 3.5V) 58. IDT Winchip 2-266 1-2 1-2 2-3 1-2 (100*2.66 3.5V) 59.
  • Page 11 + The black part in the picture is the white extruding piece of the DIP switch. Pentium 133 MHz JP8 JP7 M1541 JP10 JP10 M1543C JP5JP4 Pentium 166MHz JP10 1 2 3 4 5 6 7 8 Pentium 200 MHz JP10 1 2 3 4 5 6 7 8 Intel MMX-166 MHz...
  • Page 12 Quick Installation Guide Intel MMX-200 MHz JP10 1 2 3 4 5 6 7 8 Intel MMX-233 MHz JP10 1 2 3 4 5 6 7 8 AMD-K6/166 (2.9V) JP10 1 2 3 4 5 6 7 8 AMD-K6/200 (2.9V) JP10 1 2 3 4 5 6 7 8 AMD-K6/233 (3.2V)
  • Page 13 10. AMD-K6/233 (2.2V 66*3.5) JP10 1 2 3 4 5 6 7 8 11. AMD-K6/266 (2.2V 66*4); AMD-K6-2/266 (2.2V 66*4) JP10 1 2 3 4 5 6 7 8 12. AMD-K6/300 (2.2V 66*4.5) JP10 1 2 3 4 5 6 7 8 13.
  • Page 14 Quick Installation Guide 15. AMD-K6-2/333 (2.2V 95*3.5) JP10 1 2 3 4 5 6 7 8 16. AMD-K6-2/350 (2.2V 100*3.5) JP10 1 2 3 4 5 6 7 8 17. AMD-K6-2/366 (2.2V 66*5.5) JP10 1 2 3 4 5 6 7 8 18.
  • Page 15 20. AMD-K6-2+/450 (2.2V 100*4.5) JP10 1 2 3 4 5 6 7 8 21. AMD-K6-2/450 (2.2V 100*4.5) JP10 1 2 3 4 5 6 7 8 22. AMD-K6-2/450 (2.4V 100*4.5) JP10 1 2 3 4 5 6 7 8 23. AMD-K6-2/475 (2.2V 95*5) JP10 1 2 3 4 5 6 7 8 24.
  • Page 16 Quick Installation Guide...
  • Page 17 25. AMD-K6-2/500 (2.2V 100*5) JP10 1 2 3 4 5 6 7 8 26. AMD-K6-2/500 (2.4V 100*5) JP10 1 2 3 4 5 6 7 8 27. AMD-K6-2/550 (2.2V 100*5.5) JP10 1 2 3 4 5 6 7 8 28. AMD-K6-III/400 (2.2V 100*4) JP10 1 2 3 4 5 6 7 8 29.
  • Page 18 Quick Installation Guide 30. AMD-K6-III/450 (2.2V 100*4.5) JP10 1 2 3 4 5 6 7 8 31. AMD-K6-III/450 (2.4V 100*4.5) JP10 1 2 3 4 5 6 7 8 32. AMD-K6-III/475 (2.2V 95*5) JP10 1 2 3 4 5 6 7 8 33.
  • Page 19 35. AMD-K6-III/500 (2.4V 100*5) JP10 1 2 3 4 5 6 7 8 36. AMD-K6-III/550 (2.2V 100*5.5) JP10 1 2 3 4 5 6 7 8 37. Cyrix / IBM 6x86MX-PR166 (2.9V 66*2) JP10 1 2 3 4 5 6 7 8 38.
  • Page 20 Quick Installation Guide 40. Cyrix / IBM 6x86MX-PR233 (2.9V 66*3) JP10 1 2 3 4 5 6 7 8 41. Cyrix / IBM 6x86MX-PR233 (2.9V 75*2.5) JP10 1 2 3 4 5 6 7 8 42. Cyrix / IBM 6x86MX-PR233 (2.9V 83*2) JP10 1 2 3 4 5 6 7 8 43.
  • Page 21 45. Cyrix / IBM 6x86MX-PR266 (2.9V 83*2.5) JP10 1 2 3 4 5 6 7 8 46. Cyrix MII-PR300 (2.9V 66*3.5) JP10 1 2 3 4 5 6 7 8 47. Cyrix MII-PR333 (2.9V 66*4) JP10 1 2 3 4 5 6 7 8 48.
  • Page 22 Quick Installation Guide 50. Cyrix MII-PR366 (2.9V 100*2.5) JP10 1 2 3 4 5 6 7 8 51. Cyrix MII-PR400 (2. 9V 100*3) JP10 1 2 3 4 5 6 7 8 52. IDT Winchip 2-200 (3.5V 66*3) JP10 1 2 3 4 5 6 7 8 53.
  • Page 23 55. IDT Winchip 2-233 (3.5V 66*3.5) JP10 1 2 3 4 5 6 7 8 56. IDT Winchip 2-233 (3.5V 100*2.33) JP10 1 2 3 4 5 6 7 8 57. IDT Winchip 2-266 (3.5V 66*4) JP10 1 2 3 4 5 6 7 8 58.
  • Page 24 Quick Installation Guide 61. RISE MP6-266 (2.8V 100*2) JP10 1 2 3 4 5 6 7 8...
  • Page 25 III. Quick Installation Guide of Jumper setting: SPK : Speaker Connector Pin No. Function M1541 Data M1543 RES : Reset Switch Open : Normal operation. Close : M1541 For hardware reset system. M1543 PWR LED : Power LED (As a 3 steps ACPI LED) Pin No.
  • Page 26 Quick Installation Guide HD : IDE Hard Disk Active LED Pin No. Function M1541 LED anode (+) LED cathode (-) M1543 GN : Green Function Switch Open : Normal operation. Close one time: M1541 For system entering Green mode M1543 GD : Green LED Pin No.

  • Page 27: Atx Power Connector

    SOFT PWR : Power On/Off Switch Two Option : 1. Instant On/ Off:Power On/Off system immediately M1541 2. Delay 4 Seconds:Power. Off system .Press over 4 Secs M1543 ATX Power Connector Pin No. Definition 3,5,7,13,15-17 1,2,11 3.3V M1541 4,6,19,20 V C C +12V -12V Power Good...
  • Page 28 Quick Installation Guide JP5: Wake On Lan M1541 Pin No. Function +5V SB Signal M1543 LPT : LPT Port LPT PORT M1541 M1543 USB: USB Port PIN No. Function USB V0 USB D0- USB D0+ M1541 USB V1 USB D1- USB D1+ 1 2 3 4 M1543...
  • Page 29 COM B : COM B Port M1541 M1543 COM A : COM A Port M1541 M1543 M.S. / K.B. : PS/2 Mouse / Keyboard Connector PS/2 Mouse PS/2 Mouse/ Keyboard Pin No. Function Data M1541 VCC(+5V) Clock PS/2 Keyboard M1543...
  • Page 30 Quick Installation Guide FLOPPY : Floppy Port RED LINE M1541 M1543 IDE1 : For Primary IDE Port RED LINE M1541 M1543 IDE2 : For Secondary IDE Port RED LINE M1541 M1543...
  • Page 32 Quick Installation Guide JP3 : Keyboard Power On/Off Default : 2-3 1-2 Short Enabled Keyboard M1541 Power On 2-3 Short Disabled Keyboard Power On M1543 JP11 : VCC3 Connector 1- 2 ,3-4 Short VCC3(PSU)<->VCC3(MB) M1541 1- 3 , 2-4 Short VCC3(PSU)<-- >VCC3(MB) M1543 IR: Infrared Connector...
  • Page 33 JP13 : VCC Voltage Setting 1-2 Short VCC3 = 3.58 M1541 2-3 Short VCC3 = 3.3 M1543 BT1 : For Battery – M Danger of explosion if battery is incorrectly replaced. M Replace only with the same or M1541 equivalent type recommended by the manufacturer.
  • Page 34 Quick Installation Guide III. Top Performance Test Setting: Users have to modify the value for each item in chipset features as follow for top performance setting. Each value of items as above depends on your hardware configuration : CPU , SDRAM , Cards , etc.
  • Page 35 PERFORMANCE LIST The following list of performance data is the testing results of some popular benchmark testing programs. These data are just referred by users, and there is no responsibility for different testing data values gotten by users. (The different Hardware & Software configuration will result in different benchmark testing results.) Processor AMD K6-2 500, AMD K6-III 450 DRAM...

  • Page 37: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION 1.1. PREFACE......................1-1 1.2. KEY FEATURES....................1-1 1.3. PERFORMANCE LIST..................1-3 1.4. BLOCK DIAGRAM...................1-4 1.5. INTRODUCE THE PCI - BUS ............... 1-5 1.6. FEATURES....................... 1-5 1.7. What is AGP .....................1-6 SPECIFICATION 2.1. HARDWARE.....................2-1 2.2. SOFTWARE......................2-2 2.3. ENVIRONMENT....................2-2 HARDWARE INSTALLATION 3.1.
  • Page 38 Table of Contents 3.10. HARDWARE RESET SWITCH CONNECTOR INSTALLATION....3-8 3.11. GREEN FUNCTION INSTALLATION............3-8 3.12. PERIPHERAL DEVICE INSTALLATION............3-8 BIOS CONFIGURATION 4.1. ENTERING SETUP………………………………………………………….4-1 4.2. CONTROL KEYS.....................4-2 4.3. GETTING HELP....................4-3 4.3.1. Main Menu ....................4-3 4.3.2. Status Page Setup Menu / Option Page Setup Menu ......4-3 4.4.

  • Page 39: Introduction

    1. INTRODUCTION 1.1. PREFACE Welcome to use the 5AX motherboard. The motherboard is a Pipeline 512 KB CACHE Pentium Processor based PC / AT compatible system with ISA bus and PCI Local Bus, and has been designed to be the fastest PC / AT system. There are some new features allow you to operate the system with the performance you want.
  • Page 40 Introduction CPU L1 / L2 Write-Back cache operation. Supports 8 - 768 MB DRAM memory on board. Supports 3*168 pin 64/72 Bit DIMM module. Supports 2-channel Enhanced PCI IDE ports for 4 IDE Devices. Supports 2*COM (16550), 1*LPT (EPP / ECP), 1*1.44MB Floppy port. Supports Green function, Plug &...

  • Page 41: Performance List

    1.3. PERFORMANCE LIST The following list of performance data is the testing results of some popular benchmark testing programs. These data are just referred by users, and there is no responsibility for different testing data values gotten by users. (The different Hardware & Software configuration will result in different benchmark testing results.) Processor AMD K6-2 500, AMD K6-III 450 DRAM...
  • Page 42 Introduction...

  • Page 43: Block Diagram

    1.4. BLOCK DIAGRAM 100MHz 100MHz PBSRAM Host Address Host Data 100MHz MD Bus 66MHz 33MHz MA Bus DRAM 100MHz 100MHz M1541 DEVICE 66MHz 66MHz Device PCI Bus 14.318Hz Device ICS9148 33MHz AF-75 Device 14.318Hz GPIO PS/2 33MHz M1543C Device Keyboard 48MHz Mouse Device...

  • Page 44: Introduce The Pci - Bus

    Introduction 1.5. INTRODUCE THE PCI - BUS Connecting devices to a CPU local bus can dramatically increase the speed of I/O- bound peripherals with only a slight increase in cost over traditional systems. This price / Performance point has created a vast market potential for local bus products.

  • Page 45: What Is Agp

    1.7. What is AGP The Accelerated Graphics Port (AGP) is a new port on the Host-To-PCI bridge device that supports an AGP port. The main purpose of the AGP port is to provide fast access to system memory. The AGP port can be used either as fast PCI port (32-bits at 66MHz vs. 32-bits at 33MHz) or as an AGP port which supports 2x data -rate, a read queue, and side band addressing.

  • Page 47: Specification

    2. SPECIFICATION 2.1. HARDWARE Pentium Processor 133 / 166 / 200 MHz; MMX (166 / 200 / 233) K6- (166 / 200/ 233 / 266 / 300) ; K6-2 (266 / 300 / 333 / 350 / 366 / 380 / 400 / 450 / 475 / 500 / 550) K6-2+(450) K6-III (400 / 450 /475 / 500 / 550)

  • Page 48: Software

    Specification 5 xMaster / Slave PCI-BUS Slots. I/O BUS SLOTS 2 x16 bits ISA BUS Slots. 1 xAGP Slot. 2-channel Enhanced IDE port on board.(Using IDE PORTS IRQ14,15) Supports UDMA 33 / ATA66. Supports Mode 3,4 IDE & ATAPI CD – ROM. Supports 2 x16550 COM ports.

  • Page 49: Hardware Installation

    3. HARDWARE INSTALLATION 3.1. UNPACKING The mainboard package should contain the following: The 5AX mainboard. USER’S MANUAL for mainboard. Cable set for IDE ¡B Floppy. CD (TUCD) for Mainboard Utility. The mainboard contains sensitive electric components which can be easily damaged by static electricity, so the mainboard should be left in its original packing until it is installed.

  • Page 50: Mainboard Layout

    Hardware Installtion 3.2. MAINBOARD LAYOUT P S / 2 S L 5 S L 3 C O M A C O M B U S B L P T B I O S J P 3 J P 1 3 B A T 1 F A N P W R...
  • Page 51 PWR: Soft Power Connector On – Off : For POWER ON or Suspend IN / OUT. On 4 sec : For POWER OFF before VGA Enable or CMOS RES:Reset Switch setup select “delay 4sec.” for POWER OFF mode. Open: Normal Operation Short: For Hardware Reset System P+P P : Power LED PIN 1: anode (+)
  • Page 52 Hardware Installtion JP5: Wake on Lan Pin No. Function +5V SB Signal FAN PWR: CPU cooling FAN Power Connector Pin No. Function GND. +12V SENSE JP3: Keyboard Power On/Off Connector Pin No. Function 1,2 Close Enabled Keyboard power on. 2,3 Close Disabled Keyboard power on.

  • Page 53: Sram Installation

    3.4. SRAM INSTALLATION Sync. SRAM (Pipeline Burst SRAM) If Sync SRAM Chip is installed, it consists of Pipeline Burst 1 Pc 64 K x 64 512KByte. 3.5. DRAM INSTALLATION The mainboard can be installed with 8 / 16 / 32 / 64 / 128 / 256 MB 168 pins DIMM module DRAM, and the DRAM speed must be 67~100 MHz for SDRAM.
  • Page 54 Hardware Installtion Before the CPU is installed, the mainboard must be placed on a flat plane in order to avoid being broken by the pressure of CPU installation. SW: CPU INT./ EXT. FREQ. RATIO O: ON X: OFF 1.3V 2.5V 1.4V 2.6V 1.5V...
  • Page 55 SDRAM, Cards, etc.

  • Page 56: Cmos Rtc & Isa Cfg Cmos Sram

    Hardware Installtion 3.7. CMOS RTC & ISA CFG CMOS SRAM Built-in Real Time Clock (RTC) With 256B CMOS SRAM in M5819. 3.8. SPEAKER CONNECTOR INSTALLATION There is a speaker in AT system for sound purpose. The 4 - Pins connector SPK is used to connect speaker.

  • Page 57: Bios Configuration

    BIOS Configuration BIOS CONFIGURATION Award's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This type of information is stored in battery-backed CMOS RAM so that it retains the Setup information when the power is turned off. 4.1.

  • Page 58: Control Keys

    4.2. CONTROL KEYS Up arrow Move to previous item. Down arrow Move to next item. Left arrow Move to the item in the left hand. Right arrow Move to the item in the right hand. Esc key Main Menu - Quit and not save changes into CMOS Status Page Setup Menu and Option Page Setup Menu - Exit current page and return to Main Menu.

  • Page 59: Getting Help

    BIOS Configuration 4.3. GETTING HELP 4.3.1. Main Menu The on-line description of the highlighted setup function is displayed at the bottom of the screen. 4.3.2. Status Page Setup Menu / Option Page Setup Menu Press F1 to pop up a small help window that describes the appropriate keys to use and the possible selections for the highlighted item.
  • Page 60 Power management setup This setup page includes all the items of Green function features. PNP/PCI configuration This setup page includes all the items of PNP/PCI configuration features. Load BIOS defaults BIOS defaults indicates the most appropriate value of the system parameter which the system would be in safe configuration.

  • Page 61: Standard Cmos Setup Menu

    BIOS Configuration 4.5. STANDARD CMOS SETUP MENU The items in Standard CMOS Setup Menu (Figure 4.2) are divided into 9 categories . Each category includes no, one or more than one setup items. Use the arrows to highlight the item and then use the <PgUp> or <PgDn> keys to select the value you want in each item.
  • Page 62 Primary HDDs / Secondary HDDs The category identify the types of hard disk from drive C to drive F 4 devices that has been installed in the computer. There are three options for definable type; User, Auto and None . Type User is user-definable;...
  • Page 63 BIOS Configuration Floppy 3 Mode Support (for Japan Area) Disable Normal Floppy Drive. Drive A Drive A is 3 mode Floppy Drive. Drive B Drive B is 3 mode Floppy Drive. Both Drive A & B are 3 mode Floppy Drive. Video The category detects the type of adapter used for the primary system monitor that must match your video display card and monitor.
  • Page 64 Memory The category is display-only which is determined by POST (Power On Self Test) of the BIOS. Base Memory The POST of the BIOS will determine the amount of base (or conventional) memory installed in the system. The value of the base memory is typically 512 K for systems with 512 K memory installed on the motherboard, or 640 K for systems with 640 K or more memory installed on the motherboard.

  • Page 65: Bios Features Setup

    BIOS Configuration 4.6. BIOS FEATURES SETUP Figure 4.3: BIOS Features Setup Virus Warning This category flashes on the screen. During and after the system boots up, any attempt to write to the boot sector or partition table of the hard disk drive will halt the system and the following error message will appear, in the mean time, you can run anti-virus program to locate the problem.
  • Page 66 CPU Write Allocate The default value is Enabled. Enabled Set CPU Write Allocate to Enabled. Disabled Set CPU Write Allocate to Disabled. Quick Power On Self Test This category speeds up Power On Self Test (POST) after you power on the computer.
  • Page 67 BIOS Configuration Boot Up Floppy Seek During POST, BIOS will determine if the floppy disk drive installed is 40 or 80 tracks. 360 type is 40 tracks while 720 , 1.2 and 1.44 are all 80 tracks. The default value is Enabled. Enabled BIOS searches for floppy disk drive to determine if it is 40 or 80 tracks.
  • Page 68 To disable security, select PASSWORD SETTING at Main Menu and then you will be asked to enter password. If the user does not type anything and just press <Enter>, it will disable security. Once the security is disabled, the system will boot and you can enter Setup freely. PCI/VGA Palette Snoop The default value are Disabled.
  • Page 69 BIOS Configuration C8000 - CFFFF Shadow / D0000 - DFFFF Shadow These categories determine whether optional ROM will be copied to RAM by 16 byte. The default value are Disabled. Enabled Optional shadow is enabled. Disabled Optional shadow is disabled. 4-13...

  • Page 70: Chipset Features Setup

    4.7. CHIPSET FEATURES SETUP Figure 4.4: Chipset Features Setup Auto Configuration The default value is Enabled. Enabled For General State. Disabled For Special SDRAM Timing and ISA CLK. Host Read DRAM Command Mode. The default value is Syn. Bypass Set DRAM Cycle Start at T3 clock after ADS#. Syn.
  • Page 71 BIOS Configuration DRAM Timing The default value is Normal. Normal For normal DRAM timing operation. Fast For Faster DRAM timing operation. Slow For Slower DRAM timing operation. SDRAM CAS Latency The default value is AUTO. For Slower SDRAM DIMM module. For Faster SDRAM DIMM module.
  • Page 72 Memory Hole at 15M-16M The default value is Disabled. Enabled Set Address=15 -16MB relocate to ISA BUS. Disabled Normal Setting. ISA Line Buffer The default value is Enabled. Enabled Enable ISA Line Buffer. Disabled Disable ISA Line Buffer. Passive Release The default value is Enabled.
  • Page 73 BIOS Configuration Data Merge The default value is Disabled. Enabled Enable Data Merge. Disabled Disable Data Merge. IO Recovery Period The default value is 1 us. 0 us~ 3 us It’s recommended not to program the period longer than 1 Auto Detect DIMM/PCI Clk The default value is Enabled.

  • Page 74: Power Management Setup

    4.8. POWER MANAGEMENT SETUP Figure 4.5: Power Management Setup Power Management The default value is Enabled. Enabled Enable Green function. Disabled Disable Green function. PM Control by APM The default value is Yes. Enable software APM function. Disable software APM function. MODEM use IRQ The default value is 3.
  • Page 75 BIOS Configuration Video Off Method The default value is DPMS Support. V/H SYNC + Blank BIOS will turn off V/H-SYNC when gets into Green mode for Green monitor power saving. Blank Screen BIOS will only black monitor when gets into Green mode.
  • Page 76 CPU Temperature The default value is Auto. Auto Set CPU Temperature Automatically. 65 C / 149 F Monitor CPU Temp. at 65 C / 149 F. if Temp. > 65 C / 149 F, the speed of CPU will be slow down. 70 C / 158 F Monitor CPU Temp.
  • Page 77 BIOS Configuration LPT Ports The default value is Disabled. Enabled Enable LPT Ports. Disabled Disable LPT Ports. Power Button The default value is Instant Off. Instant off Soft switch ON/OFF for POWER ON/OFF. Delay 4Sec. Soft switch ON 4sec. for POWER OFF. 4-21...

  • Page 78: Pnp/Pci Configuration

    4.9. PNP/PCI CONFIGURATION Figure 4.6: PCI Slot Configuration PNP OS Installed The default value is No. Enable PNP OS Installed function. Disable PNP OS Installed function. Resources Controlled by The default value is Manual. Manual User can set the PnP resource (I/O Address, IRQ & DMA channels) used by legacy ISA DEVICE.
  • Page 79 BIOS Configuration IRQ (7,12,14,15), IRQ(3,4,5,9,10,11)&DMA(0,1,3,5,6,7) assigned to The default value is "Legacy ISA" or "PCI/ISA PnP". Legacy ISA The resource is used by Legacy ISA device. PCI/ISA PnP The resource is used by PCI/ISA PnP device (PCI or ISA). PCI IRQ Actived By The default value is Level.

  • Page 80: Load Bios Defaults

    4.10. LOAD BIOS DEFAULTS Figure 4.7: Load BIOS Defaults Load BIOS Defaults To load BIOS defaults value to CMOS , enter "Y". If not, enter "N". 4-24...

  • Page 81: Load Setup Defaults

    BIOS Configuration 4.11. LOAD SETUP DEFAULTS Figure 4.8: Load Setup Defaults Load SETUP Defaults To load SETUP defaults value to CMOS , enter "Y". If not, enter "N". If there is any problem occurred, loading SETUP DEFAULTS step is recommended. 4-25...

  • Page 82: Integrated Peripherals

    4.12. INTEGRATED PERIPHERALS Figure 4.9: Integrated peripherals @ When KB PWR ON/OFF Function set Enabled, KB PWR ON/OFF Password : Enter will show up. These three items will show up when RTC Alarm Controller is enabled. % These two items will show up when Onboard IrDA Port is Assign Available Address# for IrDA port.
  • Page 83 BIOS Configuration Slave PIO (for onboard IDE 1st channel). The default value is Auto. Auto BIOS will automatically detect the IDE HDD Accessing mode. Mode0~4 Manually set the IDE Accessing mode. Master Ultra DMA (for onboard IDE 1sd channel). The default value is Auto. Auto BIOS will automatically detect the IDE HDD Accessing mode.
  • Page 84 Slave PIO (for onboard IDE 2nd channel). The default value is Auto. Auto BIOS will automatically detect the IDE HDD Accessing mode. Mode0~4 Manually set the IDE Accessing mode. Master Ultra DMA (for onboard IDE 2nd channel). The default value is Auto. Auto BIOS will automatically detect the IDE HDD Accessing mode.
  • Page 85 BIOS Configuration Ring / Wake On Lan Control The default value is Enable. Enabled Enable Modem Ring On / Wake On Lan function. Disabled Disable this function. Onboard FDC Controller The default value is Enabled. Enabled Enable onboard Floppy port. Disabled Disable onboard Floppy port.
  • Page 86 Onboard Parallel port The default value is 378/IRQ7 378/IRQ7 Enable onboard LPT port and address is 378/IRQ7. 278/IRQ5 Enable onboard LPT port and address is 278/IRQ5. 3BC/IRQ7 Enable onboard LPT port and address is 3BC/IRQ7. Disabled Disable onboard LPT port. Parallel port Mode The default value is SPP Using Parallel port as Standard Parallel Port...
  • Page 87 BIOS Configuration RTC Alarm Controller The default value is Disabled. Disabled Disable this function. Enabled Enable alarm function to POWER ON system. If RTC Alarm Controller is Enabled. Date Alarm : NA,1~31 Hour Alarm : 0~24 MinuteAlarm : 0~59 Onboard IrDA Port The default value is Disabled Disabled Disable onboard IrDA port.
  • Page 88 FIR transceiver Type The default value is IBM like Support IBM like Device. IBM like Support HP like Device. HP like DMA channel for IrDA1.1 The default value is 1 Set DMA channel is 1. Set DMA channel is 3. 4-32...

  • Page 89: Supervisor / User Password

    BIOS Configuration 4.13. SUPERVISOR / USER PASSWORD When you select this function, the following message will appear at the center of the screen to assist you in creating a password. Figure 4.10: Password Setting Type the password, up to eight characters, and press <Enter>. The password typed now will clear previously entered password from CMOS memory.

  • Page 90: Ide Hdd Auto Detection

    4.14. IDE HDD AUTO DETECTION Figure 4.11: IDE HDD Auto Detection Type "Y" will accept the H.D.D. paramete r reported by BIOS. Type "N" will keep the old H.D.D. parameter setup. If the hard disk cylinder NO. is over 1024, then the user can select LBA mode or LARGE mode for DOS partition larger than 528 MB.

  • Page 91: Save & Exit Setup

    BIOS Configuration 4.15. SAVE & EXIT SETUP Figure 4.12: Save & Exit Setup Type "Y" will quit the Setup Utility and save the user setup value to RTC CMOS . Type "N" will return to Setup Utility. 4-35...

  • Page 92: Exit Without Saving

    4.16. EXIT WITHOUT SAVING Figure 4.13: Exit Without Saving Type "Y" will quit the Setup Utility without saving to RTC CMOS. Type "N" will return to Setup Utility. 4-36...

  • Page 93: Appendix A:trobuleshooting

    Appendix Appendix A: Troubleshooting How to remove “?PCI Universal Serial Bus” under the Windows 95 ? Method 1: 1.Please Install the file “USBSUPP.EXE” attached in Windows95 OSR2.1 CD 2.Run this file and then system will restart. 3.Please go to the Device Manager , and remove “?PCI Universal Serial Bus”.
  • Page 94 C:\utility\ AWDFlash or AMIFlash <filename of the BIOS binary file intended for flashing> ü Once the process is finished, reboot the system MNote : Please download the newest BIOS from our website (www.gigabyte.com.tw) or contact your local dealer for the file.
  • Page 95 FCC Compliance Statement: This equipment has been tested and found to comply with limits for a Class B digital device , pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in residential installations. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

  • Page 97: Declaration Of Conformity

    Ausschlager Weg 41, 1F, 20537 Hamburg, Germany declare that the product ( description of the apparatus, system, installation to which it refers) Mother Board GA-5AX is in conformity with (reference to the specification under which conformity is declared) in accordance with 89/336 EEC-EMC Directive...

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