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GA-586AL

Gigabyte GA-586AL GA-586AL/S user manual rev. 2S first edition

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GA - 586AL/S
USER'S MANUAL
PCI - ISA SOLUTION
PENTIUM PCI - ISA BUS MAINBOARD
REV. 2S First Edition
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GA-586AL
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.
IBM PC/AT, PC/XT are trademarks of International Business Machine Corporation. PENTIUM is a trademark of Intel Corporation. AWARD is a trademark of Award Software, Inc. MS-DOS WINDOWS NT are registered trademarks of Microsoft Corporation. UNIX is a trademark of Bell Laboratories.
November 01, 1994 Taipei, Taiwan
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Table of Contents
TABLE OF CONTENTS
1. INTRODUCTION............................................................................................................5
1.1. PREFACE..............................................................................................................5
1.2. KEY FEATURES ...................................................................................................5
1.3. PERFORMANCE LIST.......................................................................................... 6
1.4. BLOCK DIAGRAM................................................................................................. 7
1.5. INTRODUCE THE PCI - BUS...............................................................................7
1.6. FEATURES............................................................................................................ 8
2. SPECIFICATION ............................................................................................................ 9
2.1. HARDWARE .........................................................................................................9
2.2. SOFTWARE..........................................................................................................10
2.3. ENVIRONMENT....................................................................................................10
3. HARDWARE INSTALLATION........................................................................................ 11
3.1. UNPACKING............................................................................................................ 11
3.2. MAINBOARD LAYOUT............................................................................................12
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS.....................................12
3.4. DRAM INSTALLATION............................................................................................14
3.5. SRAM INSTALLATION AND JUMPERS SETUP.................................................... 15
3.6. CPU INSTALLATION AND JUMPERS SETUP.......................................................15
3.7. CMOS RTC & ISA CFG CMOS SRAM...................................................................16
3.8. SPEAKER CONNECTOR INSTALLATION.............................................................16
3.9. POWER LED & KEY LOCK CONNECTOR INSTALLATION ................................. 16
3.10. TURBO SWITCH CONNECTOR INSTALLATION................................................ 16
3.11. TURBO LED CONNECTOR INSTALLATION.......................................................17
3.12. HARDWARE RESET SWITCH CONNECTOR INSTALLATION..........................17
3.13. PERIPHERAL DEVICE INSTALLATION............................................................... 17
4. BIOS CONFIGURATION................................................................................................ 18
4.1. ENTERING SETUP...............................................................................................18
4.2. CONTROL KEYS................................................................................................... 18
4.3. GETTING HELP ....................................................................................................19
4.3.1. Main Menu.................................................................................................... 19
4.3.2. Status Page Setup Menu / Option Page Setup Menu ................................. 19
4.4. THE MAIN MENU..................................................................................................19
4.5. STANDARD CMOS SETUP MENU......................................................................21
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4.6. BIOS FEATURES SETUP..................................................................................... 24
4.7. CHIPSET FEATURES SETUP..............................................................................27
4.8. PCI SLOT CONFIGURATION............................................................................... 29
4.9. LOAD SETUP DEFAULTS ...................................................................................... 31
4.10. PASSWORD SETTING....................................................................................... 32
4.11. IDE HDD AUTO DETECTION............................................................................. 33
4.12. HDD LOW LEVEL FORMAT............................................................................... 33
4.13. SAVE & EXIT SETUP.......................................................................................... 34
4.14. EXIT WITHOUT SAVING....................................................................................35
4.15. KEYBOARD SETTING FUNCTION.....................................................................35
5. AT TECHNICAL INFORMATION ................................................................................... 36
5.1. I/O BUS CONNECTOR PIN OUT ......................................................................... 36
5.1.1. ISA SLOT PIN OUT...................................................................................... 36
5.1.2. PCI - BUS SLOT PIN OUT........................................................................... 37
5.2. I/O & MEMORY MAP ............................................................................................38
5.3. TIMER & DMA CHANNELS MAP ......................................................................... 38
5.4. INTERRUPT MAP ................................................................................................. 39
5.5. RTC & CMOS RAM MAP......................................................................................39
APPENDIX A: POST MESSAGE..........................................................................................40
APPENDIX B: POST CODES...............................................................................................45
APPENDIX C: BIOS DEFAULT DRIVE TABLE.................................................................... 48
APPENDIX D: PROBLEM SHEET........................................................................................50
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Introduction
1. INTRODUCTION
1.1.PREFACE
Welcome to use the GA - 586AL motherboard. The motherboard is a 256 KB / 512 KB / 1 MB CACHE PENTIUM CPU 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 just the performance you want.
This manual also explains how to install the motherboard for operation, and how to set up your CMOS CONFIGURATION with BIOS SETUP program.
1.2.KEY FEATURES
q Pentium based PC / AT compatible mainboard with PCI - ISA Bus. q 3 Master / Slave PCI Bus slots, 4 ISA Bus slots. q Supports Pentium / P5T running at 60 / 66 MHz. q Supports true 64 bits CACHE and DRAM access mode. q Supports 273 Pins (Socket 4) ZIF white socket on board. q Supports 256 KB / 512 KB / 1 MB second cache memory. q CPU L1 / L2 Write-Back cache operation. q Supports 2 - 160 MB DRAM memory on board. q Supports 2 channels Enhance PCI IDE ports for 4 IDE Device. q Supports 2xCOM, 1xLPT, 1x1.44MB Floppy port. q Supports Hardware and Software speed change function. q Licensed AWARD BIOS, FLASH EEPROM for BIOS update. q BENCHMARQ / ODIN 3287 RTC on board. q 3/4BABY AT size, 4 layers PCB.
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1.3.PERFORMANCE LIST
The following performance data list 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.)
l CPU
Pentium 60 / 66 MHz
l DRAM 16 MB - 70 ns l CACHE SIZE 256 KB l DISPLAY ATi Mach64 PCI VGA l STORAGE on board IDE + Conner 540MB H.D. l O.S. MS DOS V6.2
×MAINBOARDØ
Testing Program Item Unit Pentium 66 Pentium 60 LandMark V1.14 CPU MHz 200+ 200+ LandMark V2.0 CPU MHz 385.88 347.29
FPU MHz 1135.31 1021.707 SI V7.0 CPU 211.7 190.6 Byte V2.1 CPU AT Class 25.13 16.43
386 Class 9.22 6.23
FPU AT Class 135.17 121.65
386 Class 18.91 17.02 BenchMark V8.0 Processor Score 77.43 69.61 PM V1.7 MIPS Mips 46.4 41.9
DhryStone K-Dstone/s 59.5 53.2 WhetStone K-Wstone/s 13148.9 11896.6
× IDEØ
Program Ver. Item Unit Pentium 66 Pentium 60
Core 2.92 Data Transfer Rate KB/s 10296.1 9307.1
Average Seek Time ms 10.5 10.5 Track-Track Seek ms 2.9 2.9
Performance Index 66.517 60.661 Winbench 4.0 Disk Winmark KB/s 2500 2350 Benchmark 8.0 Disk Score 1546 1500 PM 1.7 Data Transfer Rate KB/s 32233.8 32233.8
Mean Seek ms/seek 10.7 10.9
Track-Track Seek ms/seek 2.8 2.9
Aggregate PUM's 4883.5 4881.9 Byte 2.1 Disk AT Class 37.35 35.25
386 Class 21.73 20.51
SI Data Transfer Rate KB/s 1958.7 1957.7
Average Seek ms 2.71 2.68
Track-Track Seek ms 10.29 10.23
HDD Index 15.5 15.5 Winstone94 1.0 Winstone 106.5 96.7
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Introduction
1.4. BLOCK DIAGRAM
×Figure 1.1Ø
ISA
SLOT1-4
CPU
Data Address Control
M1451
AD
Control
M1449
60/66 MHz
CACHE
30/33 MHz
42C25
ICW
14.318 MHz CLOCK Generator
MA
DRAM
PCI
IDE
IDE1
IDE2
RAS CAS
WE
PCI BUS
PCI
SLOT1-3
UMC
I/O
ISA BUS
Floppy
LPTCOM1 COM2
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. The main barrier to this market has been the lack of an accepted standard for local bus peripherals. Many mainboard and chipset manufactures developed their own local bus implementations, but they are incompatible with each other. The VL (Video Electronics Standards Association) local bus and PCI (Peripheral Component Interconnect) bus specification was created to end this confusion.
The PCI - bus standard, under development since Jun. 1992, which is designed to bring workstation-level performance to standard PC platform. The PCI - bus removes many of the bottlenecks that have hampered PC for several years. On the PCI - bus, peripherals operate at the native speed of the computer system,
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thus enabling data transfer between peripherals and the system at maximum speed. This performance is critical for bandwidth-constrained devices such as video, multimedia, mass storage, and networking adapters.
PCI - bus standard provides end-users with a low-cost, extendible and portable local bus design, which will allow system and peripherals from different manufactures to work together.
1.6.FEATURES
q 32 bits bus transfer mode.
q Bus Master or Slave access.
q Memory burst transfer to 132 MB/sec.
q 33 MHz operation speed.
q 10 device loading ability.
q CPU independent.
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Specification
−
−
2. SPECIFICATION
2.1.HARDWARE
l CPU l COPROCESSOR − Included in Pentium.
l SPEED − 60 / 66 MHz system and 30 / 33 PCI-Bus speed.
l DRAM MEMORY − 3 banks 72 pins SIMM module socket on board
l CACHE MEMORY − 16 KB cache memory included in Pentium.
l SHADOW RAM − Main BIOS shadow function.
l I/O BUS SLOTS − 3 Master / Slave PCI-Bus. l IDE PORTS − 2 Enhanced IDE channels on board.
l I/O PORTS − Supports 2 16450 COM ports. (Using IRQ4,3)
l BIOS − 128KB FLASH EEPROM. l DIMENSION − 3/4Baby AT size / 4 layers.
− Pentium 60 / 66 MHz, P5T.
− 273 pins (socket 4) ZIF white socket on board.
− 7.5 / 8 MHz AT bus speed.
− Hardware and Software speed switchable
function (half speed). (2 for Double banks, 1 for Single bank).
Use 1 / 2 / 4 / 8 / 16 / 32 MB 70 ns SIMM module DRAM.
− 2 ~ 160 MB DRAM size.
− Support Fast Page DRAM access mode.
− 256 KB / 512 KB / 1 MB second cache memory
on board. Support Write Back cache function for both CPU & on board cache.
− Video BIOS shadow function programmable.
− Shadow RAM cacheable function.
− 4 16 bits ISA Bus.
(Using IRQ14,15)
− Support Mode 3, 4 IDE & ATAPI CD - ROM.
− Driver Support DOS, WINDOWS, OS/2, NT,
UNIX, Netware.
− Supports 1 LPT port.(Using IRQ7)
− Supports 1 1.44MB Floppy port.
(Using DMA2 & IRQ6)
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−
2.2.SOFTWARE
l BIOS − Licensed AWARD BIOS.
− AT CMOS Setup, BIOS / Chipset Setup and
Hard Disk Utility included.
l O.S. & IDE DRIVER
Operation with MS-DOS, WINDOWS NT, OS/2, NOVELL and SCO UNIX.
2.3.ENVIRONMENT
l Ambient Temp. l Relative Hum. − 0 to +85% (Operating). l Altitude − 0 to 10,000 feet (Operating). l Vibration − 0 to 1,000 Hz. l Electricity − 4.9 V to 5.2 V.
− 0°C to +50°C (Operating).
− 5 A to 7 A current.
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Hardware Installation
3. HARDWARE INSTALLATION
3.1. UNPACKING
The mainboard package should contain the following:
l The GA - 586AL mainboard.
l Diskette for Enhanced IDE Device Driver ( 1 x 1.44MB Diskette).
l USER'S MANUAL.
l Cable set for I/O Device.
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.
Unpacking and installation should be done on a grounded anti-static mat. The operator should be wearing an anti static wristband, grounded at the same point as the anti-static mat.
Inspect the mainboard carton for obvious damage. Shipping and handling may cause damage to your board. Be sure there are no shipping and handling damages on the board before proceeding.
After opening the mainboard carton, extract the system board and place it only on a grounded anti-static surface component side up. Again inspect the board for damage. Press down on all of the socket IC's to make sure that they are properly seated. Do this only on with the board placed on a firm flat surface.
M
DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN DAMAGED.
You are now ready to install your maniboard. The mounting hole pattern on the mainboard matches the IBM-AT system board. It is assumed that the chassis is designed for a standard IBM XT/AT mainboard mounting.
Place the chassis on the anti-static mat and remove the cover. Take the plastic clips, Nylon stand-off and screws for mounting the system board, and keep them
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separate.
3.2. MAINBOARD LAYOUT
×Figure 3.1Ø
JP17
JP19
JP16
+
1
JP18
JP20
JP21
3 1
CPU
Pentium
P5T
66 MHz 60 MHz
RTC
DS12887
BIOS
27C010
GA - 586AL
ISA SLOT 1
ISA SLOT 2
ISA SLOT 3
ISA SLOT 4
PCI SLOT #3
PCI SLOT #2
U25
KBD
BIOS
JP14
JP13
REV.2
HD-LED
SIMM1
SIMM6
JP5
+
JP2 JP1
1
JP3
+
+12V Second
SOCKET 4
Cache
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS
t P1: Keyboard Connector
Pin No. Function
1 Key Clock. 2 Key Data. 3 NC. 4 VCC (+5V). 5 GND.
IDE2
1 1 1 1 1 1 72
PCI SLOT #1 & I/O
CN5
1
CN3
1 1
72 PIN SIMM MODULE
72 PIN SIMM MODULE
72
72 PIN SIMM MODULE
BANK 2
BANK 1
BANK 0
LPT PORT
1
FLOPPY PORTIDE1
72 72 72 72 72
CN6 CN4
P3
CN2
1
COM 2/4
CN1
1
COM 1/3
P1
t P2: Power Connector
Pin No. Function
1 Power Good signal
2,10,11,12 VCC (+5V)
3 +12V 4 -12V
5,6,7,8 GND
9 -5V
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Hardware Installation
t JP16: Reset Switch
Open For normal operation.
Close For hardware reset system.
t JP17: Power LED and Key-Lock Connector
Pin No. Function
1 LED anode (+). 2 NC. 3 LED cathode (-). 4 Key lock. 5 GND.
t JP18: Turbo Switch
Pin No. Function
Close For low speed (Non-cache). Open For high speed.
t JP19: Turbo LED Connector
Pin No. Function
1 LED cathode (+). 2 LED anode (-).
t JP20: Speaker Connector
Pin No. Function
1 VCC. 2 NC. 3 GND. 4 Data.
t JP1 JP2 Second Cache Size Selection
Pin No. Function 1-2 1-2 Close for 256 KB cache size ( using 32K x 8 SRAM ). 1-2 2-3 Close for 512 KB cache size ( using 64K x 8 SRAM ). 2-3 2-3 Close for 1 MB cache size ( using 128K x 8
SRAM ).
t JP21: System Speed Selection
Pin No. Function
1-2 Close for 60 MHz system speed. 2-3 Close for 66 MHz system speed.
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t JP3: CPU Cooling Fan Power Connector
Pin No. Function
1 +12V 2 GND
t CN1-6 I/O Ports Connector
CN1 For COM 1/3 (Serial port1 ) CN2 For COM 2/4 (Serial port2 ) CN4 For Floppy port CN6 For LPT port CN3 For Primary IDE port CN5 For Secondary IDE port
3.4. DRAM INSTALLATION
The mainboard can be installed with 1 / 2 / 4 / 8 / 16 / 32 MB 72 pins SIMM module DRAM, and the DRAM speed must be 70 ns. The DRAM memory system on mainboard consists of bank 0, 1 & bank 2. The DRAM of any bank can be installed first. Each bank consist of 2 PCs, 72 pins SIMM module DRAM. Because the 72 pins SIMM module is 32 bits width, using 2 PCs which can match a 64 bits system. The total memory size is 2 - 160 MB, and various configuration of DRAM types in the following TABLE are available:
Bank 0 Bank 1 Bank 2 Single: Single bank SIMM Module Single None None Ex. 1MB, 4MB, 16MB Single Single Single Single Single Double: Double banks SImm Module Double None None Ex. 2MB, 8MB, 32MB Double Single None Double Single Single Double Single Double
The DRAM installation position refer to Figure 3.1, and notice the Pin 1 of SIMM module must match with the Pin 1 of SIMM socket when the DRAM SIMM module is installed. Insert the DRAM SIMM module into the SIMM socket at 45 degree angle. If there is a wrong direction of Pin 1, the DRAM SIMM module couldn't be inserted into socket completely. After completely insert SIMM module into socket, then press the SIMM module in vertical direction until the left and right metal holders can keep the SIMM module standing up con-firmly.
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Hardware Installation
3.5. SRAM INSTALLATION AND JUMPERS SETUP
The cache memory system consists of Data SRAM & TAG SRAM (U12), the Data SRAM type is 32Kx8-15/20 ns, 64Kx8-15/20 ns or 128Kx8-15/20 ns.
The mainboard can be installed with 256 KB, 512 KB or 1 MB cache memory when using 32Kx8, 64Kx8, 128Kx8 type DATA SRAM separately. Please refer to the following table to install cache memory system :
SIZE Data SRAM JP2 JP1 TAG SRAM (U12) 256 KB 32 KB x 8 1 - 2 1 - 2 8 KB x 8 - 32 K x 8 512 KB 64 KB x 8 2 - 3 1 - 2 16 KB x 8,32 K x 8
1MB128 KB x 8 2 - 3 2 - 3 32 KB x 8
Because there are not standard IC's coding number of SRAM, refer to the following table to identify the SRAM component:
16 K x 8 32 K x 8 64 K x 8 128 K x 8
AE88128AK-15 W24257AK-15/20 W24512AK-15/20 W241024AK-15/20
UM61256-15/20 AS7C512-15/20 AS7C1024-15/20 AS7C256-15/20 UM61512AK-15/20 UM611024AK-15/20 CY7C199-20 MCM6206-20 KM68257BP-20 TC555328P-20
3.6. CPU INSTALLATION AND JUMPERS SETUP
The system's speed depends on the frequency of CLOCK GENERATOR. The user can change the JUMPER (JP21) selection to set up the system speed to 60 MHz or 66 MHz for 60 or 66 MHz PENTIUM CPU.
The mainboard can use PENTIUM or P5T CPU, and the CPU speed must match with the frequency of CLOCK GEN. It will cause system hanging up if the CLOCK GEN.'S frequency is higher than CPU's.
JP21 CPU Type CLK. GEN. Speed CPU Speed
2 - 3 1 - 2
PENTIUM - 66 PENTIUM - 60
66.667 MHz 66.667 MHz 60 MHz 60 MHz
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M
The CPU is a sensitive electric component and it can be easily damaged by static electricity, so users must keep it away from metal surface when the CPU is installed onto mainboard.
M
When the user installs the CPU on socket, please notice the PIN 1 of CPU is in the same corner as the PIN 1 of socket!
M
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.
3.7. CMOS RTC & ISA CFG CMOS SRAM
There're RTC & CMOS SRAM on board, they have a power supply from internal battery to keep the DATA inviolate & effective. The RTC is a REAL-TIME CLOCK device which provides the DATE & TIME to system. The CMOS SRAM is used for keeping the information of ISA device system configuration, so the system can automatically boot OS. every time.
Due to the life-time of RTC internal battery is 10 years, the user can change a new RTC to replace old one after it can not work. The new one's brand and type must be same with old one.
3.8. SPEAKER CONNECTOR INSTALLATION
There is always a speaker in AT system for sound purpose. The 4 - Pins connector JP20 is used to connect speaker. The speaker can work well in both direction of connector when it is installed to the connector JP20 on mainboard.
3.9. POWER LED & KEY LOCK CONNECTOR INSTALLATION
There are a system power LED lamp and a key on the panel of case. The power LED will light on when system is powered-on, and the key can lock the keyboard input or unlock it, both of them are connected to a 5 PIN connector. The connector should be installed to JP17 of mainboard in correct direction.
3.10. TURBO SWITCH CONNECTOR INSTALLATION
The TURBO switch on the panel is used for controlling the system speed. Some
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Hardware Installation
program developed on XT should be executed with a low speed system, so a high speed system needs the speed switching function to change its running speed.
The mainboard uses helf speed method to implement TURBO switching function. The JP18 on mainboard should be connected to the TURBO switch on panel, and user can push in or pop out the TURBO switch to enable or disable the turbo function of system.
M
If not necessary, please don't use De-turbo mode. (always keep system in Turbo mode)
3.11. TURBO LED CONNECTOR INSTALLATION
The TURBO LED on panel can indicate the current speed status of system. The TURBO LED connector should be installed to JP19 in correct direction.
3.12. HARDWARE RESET SWITCH CONNECTOR INSTALLATION
The RESET switch on panel provides users with HARDWARE RESET function which is almost the same as power-on/off. The system will do a cold start after the RESET switch is pushed and released by user. The RESET switch is a 2 PIN connector and should be installed to JP16 on mainboard.
3.13. PERIPHERAL DEVICE INSTALLATION
After the device installation and jumpers setup, the mainboard can be mounted into the case and fixed by screw. To complete the mainboard installation, the peripheral device could be installed now. The basic system needs a display interface card and a disk device.
If the PCI - Bus device is to be installed in the system, any one of three PCI ­Bus slots can be used no matter Slave or Master PCI - Bus device being installed.
After installing the peripheral device, the user should check everything again, and prepare to power-on the system.
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4. 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 SRAM so that it retains the Setup information when the power is turned off.
4.1.ENTERING SETUP
Power ON the computer and press <Del> immediately will allow you to enter Setup. The other way to enter Setup is to power on the computer, when the below message appears briefly at the bottom of the screen during the POST (Power On Self Test), press <Del> key or simultaneously press <Ctrl>, <Alt>, and <Esc> keys.
• TO ENTER SETUP BEFORE BOOT PRESS CTRL-ALT-ESC OR DEL KEY If the message disappears before you respond and you still wish to enter Setup, restart the system to try again by turning it OFF then ON or pressing the "RESET" bottom on the system case. You may also restart by simultaneously press <Ctrl>,<Alt>, and <Del> keys. If you do not press the keys at the correct time and the system does not boot, an error message will be displayed and you will again be asked to,
• PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER SETUP
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 PgUp key Increase the numeric value or make changes PgDn key Decrease the numeric value or make changes F1 key General help, only for Status Page Setup Menu and Option Page
Setup Menu F2 key Change color from total 16 colors F3 key Calendar, only for Status Page Setup Menu F4 key Reserved F5 key Restore the previous CMOS value from CMOS, only for Option
Page Setup Menu F6 key Load the default CMOS value from BIOS default table, only for
Option Page Setup Menu
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BIOS Configuration
ROM PCI / ISA BIOS
F7 key Load the default F8 key Reserved F9 key Reserved F10 key Save all the CMOS changes, only for Main Menu
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. To exit the Help Window press <Esc>.
4.4.THE MAIN MENU
Once you enter Award BIOS CMOS Setup Utility, the Main Menu (Figure 4.1) will appear on the screen. The Main Menu allows you to select from seven setup functions and two exit choices. Use arrow keys to select among the items and press <Enter> to accept or enter the sub-menu.
Figure 4.1: Main Menu
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
BIOS FEATURES SETUP
CHIPSET FEATURES SETUP
PCI CONFIGURATION SETUP
LOAD SETUP DEFAULTS
PASSWORD SETTING
IDE HDD AUTO DETECTION
HDD LOW LEVEL FORMAT
SAVE & EXIT SETUP
EXIT WITHOUT SAVING
ESC F10
: Quit : Save & Exit Setup (Shift)F2
Time, Date, Hard Disk Type, ...
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: Select Item : Chang Color
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GA-586AL
• Standard CMOS setup
This setup page includes all the items in a standard compatible BIOS.
• BIOS features setup
This setup page includes all the items of Award special enhanced features.
• Chipset features setup
This setup page includes all the items of chipset special features.
• PCI configuration setup
This setup page includes all the configurations of PCI slots parameters
• Load setup defaults
BIOS defaults indicates the most appropriate value of the system parameter which the system would be in maximum performance.
• Password setting
Change, set, or disable password. It allows you to limit access to the system and Setup, or just to Setup.
• IDE HDD auto detection
Automatically configure hard disk parameter.
• HDD LOW level format
Low level format IDE Hard disk.
• Save & exit setup
Save CMOS value changes to CMOS and exit setup.
• Exit without save
Abandon all CMOS value changes and exit setup.
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BIOS Configuration
ROM PCI / ISA BIOS
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.
Figure 4.2: Standard CMOS Setup Menu
STANDARD CMOS SETUP
AWARD SOFTWARE, INC.
Date (mm:dd:yy) Time (hh:mm:ss)
Primary Primary Secondary Master Secondary
Driver A Driver B
Video Halt On : All Errors
Master Slave
: EGA/VGA
ESCF1: Quit
: Help (Shift)F2
: Mon, Feb 7 1994 : 10 : 45 : 38
: None : None : None
Slave
: 1.2M , 5.25 in. : None
: None
SIZE
0 0 0 0
HEADS PRECOMP LANDZONE SECTORS
CYLS.HARD DISKS TYPE MODE
000 0
Base Memory:
Extended Memory:
Expanded Memory:
Other Memory:
Total Memory:
: Select Item
: Chang Color
0 --------­0000 0 0000 0 0000 0
640 K
7168 K
384 K
8192 K
PU/PD/+/- : Modify F3 : Taggle Calender
• Date
The date format is <day>, <date> <month> <year>. Press <F3> to show the calendar.
---------
---------
---------
0 K
• Time
• Primary HDDs / Secondary HDDs
day The day, from Sun to Sat, determined by the BIOS and is display-only date The date, from 1 to 31 (or the maximum allowed in the month) month The month, Jan. through Dec. year The year, from 1900 through 2099
The time format in <hour> <minute> <second>. The time is calculated base on the 24-hour military-time clock. For example, 1 p.m. is 13:00:00.
The category identify the types of hard disk drive C drive F 4 devices that has been installed
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in the computer. There are 46 pre-defined types and a user definable type. Type 1 to Type 46 are pre-defined. Type User is user-definable.
Press PgUp or PgDn to select a numbered hard disk type or type the number and press <Enter>. Note that the specifications of your drive must match with the drive table. The hard disk will not work properly if you enter improper information for this category. If your hard disk drive type is not matched or listed, you can use Type User to define your own drive type manually.
If you select Type User, related information is asked to be entered to the following items. Enter the information directly from the keyboard and press <Enter>. Those information should be provided in the documentation form your hard disk vendor or the system manufacturer.
CYLS. number of cylinders HEADS number of heads PRECOMP write precom LANDZONE landing zone SECTORS number of sectors
If a hard disk has not been installed select NONE and press <Enter>.
• Drive A type / Drive B type
The category identify the types of floppy disk drive A or drive B that has been installed in the computer.
None No floppy drive installed 360K, 5.25 in. 5-1/4 inch PC-type standard drive; 360 kilobyte capacity
1.2M, 5.25 in. 5-1/4 inch AT-type high-density drive; 1.2 megabyte capacity 720K, 3.5 in. 3-1/2 inch double-sided drive; 720 kilobyte capacity
1.44M, 3.5 in. 3-1/2 inch double-sided drive; 1.44 megabyte capacity
2.88M, 3.5 in. 3-1/2 inch double-sided drive; 2.88 megabyte capacity
• Video
The category detects the type of adapter used for the primary system monitor that must matches your video display card and monitor. Although secondary monitors are supported, you do not have to select the type in setup.
EGA/VGA Enhanced Graphics Adapter/Video Graphics Array. For EGA, VGA,
SVGA, or PGA monitor adapters CGA 40 Color Graphics Adapter, power up in 40 column mode CGA 80 Color Graphics Adapter, power up in 80 column mode MONO Monochrome adapter, includes high resolution monochrome adapters
• Halt on
The category determines whether the computer will stop if an error is detected during power
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BIOS Configuration
up.
NO errors Whenever the BIOS detects a non-fatal error the system will be
stopped and you will be prompted
All errors The system boot will not be stopped for any error that may be
detected All, But Keyboard All, But Diskette The system boot will not stop for a disk error; it will stop for all
All, But Disk/Key The system boot will not stop for a keyboard or disk error; it will
The system boot will not stop for a keyboard error; it will stop for
all other errors
other errors
stop for all other errors
• 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.
Extended Memory
The BIOS determines how much extended memory is present during the POST. This is the amount of memory located above 1 MB in the CPU's memory address map.
Expanded Memory
Expanded Memory in memory defined by the Lotus/Intel/Microsoft (LIM) standard as EMS. Many standard DOS applications can not utilize memory above 640 K, the Expanded Memory Specification (EMS) swaps memory which not utilized by DOS with a section, or frame, so these applications can access all of the system memory. Memory can be swapped by EMS is usually 64 K within 1 MB or memory above 1 MB, depends on the chipset design. Expanded memory device driver is required to use memory as Expanded Memory.
Other Memory
This refers to the memory located in the 640 K to 1024 K address space. This is memory that can be used for different applications. DOS uses this area to load device drivers to keep as much base memory free for application programs. Most use for this area is Shadow RAM.
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ROM PCI / ISA BIOS
4.6.BIOS FEATURES SETUP
BIOS FEATURES SETUP AWARD SOFTWARE, INC.
Virus Warning CPU Internal Cache External Cache Quick Power On Self Test : Disabled Boot Sequence Swap Floppy Drive : Disabled Boot Up Floppy Seek Boot Up NumLock Status IDE HDD Block Mode Security Option IDE Second Channel Control : Disabled
: Enabled : Enabled : Enabled
: A, C
: Enabled : On : Disabled : Setup
Video BIOS Shadow C8000 - CFFFF Shadow
ESC
: Quit
F1
: Help
F5
: Old Values
F6
: Load BIOS Defaults
F7 : Load Setup Defaults
: Enabled : Disabled
PU/PD/+/­(Shift)F2
: Select Item : Modify : Color
• 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 run can anti-virus program to locate the problem. Default value is Enabled.
Enabled Activate automatically when the system boots up causing a warning message to appear when
anything attempts to access the boot sector or hard disk partition table
Disabled No warning message to appear when anything attempts to access the boot sector or hard disk
partition table
• CPU Internal Cache / External Cache
These two categories speed up memory access. However, it depends on CPU / chipset design. The default value is Enabled.
Enabled Enable cache Disabled Disable cache
• Quick Power On Self Test
This category speeds up Power On Self Test (POST) after you power on the computer. If it is set to Enable, BIOS will shorten or skip some check items during POST. The default value is Disabled.
Enabled Enable quick POST Disabled Normal POST
• Boot Sequence
This category determines which drive computer searches first for the disk operating system (i.e., DOS). Default value
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BIOS Configuration
is A,C.
A,C System will first search for floppy disk drive then hard disk drive C,A System will first search for hard disk drive then floppy disk drive
• Swap Floppy Drive
The default value is Disabled.
Enabled Floppy A & B will be swapped under DOS Disabled Floppy A & B will be normal definition
• Boot Up Floppy Seek
During POST, BIOS will determine if the floppy disk drive installed is 40 or 80 tracks. 360 K type is 40 tracks while 720 K, 1.2 M and 1.44 M 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, Note that BIOS can
not tell from 720 K, 1.2 M or 1.44 M drive type as they are all 80 tracks
Disabled BIOS will not search for the type of floppy disk drive by track number. Note that there will not
be any warning message if the drive installed is 360 K
• Boot Up NumLock Status
The default value is On
On Keypad is number keys Off Keypad is arrow keys
• IDE HDD Block Mode
The default value is Disabled.
Enabled Enable IDE HDD Block Mode Disabled Disable IDE HDD Block Mode
• Security Option
This category allows you to limit access to the system and Setup, or just to Setup. The default value is Setup.
System The system will not boot and access to Setup will be denied if the correct password is not
entered at the prompt
Setup The system will boot, but access to Setup will be denied if the correct password is not entered
at the prompt
M
To disable security, select PASSWORD SETTING at Main Menu and then you will be asked to enter password. Do 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.
• IDE Second Channel Control The default value is Enabled.
Enabled Enable 2nd IDE Channel Disabled Disable 2nd IDE Channel
• Video BIOS Shadow
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It determines whether video BIOS will be copied to RAM, however, it is optional from chipset design. Video Shadow will increase the video speed. The default value is Enabled.
Enabled Video shadow is enabled Disabled Video shadow is disabled
• C8000 - CFFFF Shadow / D0000 - DFFFF Shadow These categories determine whether optional ROM will be copied to RAM by 32 K byte. The default value are Disabled.
Enabled Optional shadow is enabled Disabled Optional shadow is disabled
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BIOS Configuration
ROM PCI / ISA BIOS
4.7.CHIPSET FEATURES SETUP
CHIPSET FEATURES SETUP
AWARD SOFTWARE, INC.
L2 Cache Update Policy : Write Back
Onboard PCI / IDE chip Cache Wait / 1 = 66, 0 = 60 MHz: 0 Wait DRAM Timing Option DRAM Refresh Peroid Hidden Refresh Control 15 - 16 M Memory Location
: Normal : Long : Enable : Local
Onboard Parallel Mode
Onboard Parallel Port
Onboard Serial Port1
Onboard Serial Port2
ESC
: Quit
F1
: Help
F5
: Old Values
F6
: Load BIOS Defaults
F7 : Load Setup Defaults
• L2 Cache Update Policy
The default value is Write Back.
Write Back L2 Cache Write Back Operation. Write Through L2 Cache Write Through Operation.
NOTE: The cacheable DRAM Region is different for above two Cache Update
PU/PD/+/­(Shift)F2
: Enabled : EnabledOnboard FDD Controller : Enabled : 378H : COM1 : COM2
: Select Item : Modify : Color
Policy.
L2 CACHE Write Back Write Through.
256 KB 32 MB 64 MB 512 KB 64 MB 128 MB
1 MB 128 MB 160 MB
• Cache Wait / 1 = 66, 0=60 MHz
The default value is 0 Wait.
0 Wait For 60 MHz CPU speed. 1 Wait For 66 MHz CPU speed.
• DRAM Timing Option
The default value is Normal.
Fast For 60 ~ 70 ns DRAM. Normal For 70 ns DRAM. Slow For 70 ~ 80 ns DRAM.
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• DRAM Refresh Peroid
The default value is Long.
Long For DRAM Refresh Peroid = 60 us. ( better Performance) Normal For DRAM Refresh Peroid = 15 us. ( standard )
• Hidden Refresh Control
The default value is Enable.
Enable For better Performance DRAM Refresh Operation. Disable For standard DRAM Refresh Option.
• 15 - 16 M Memory Location :
The default value is Local.
Local Normal Operation Non-Local A memory space reserved for ISA bus, it's address is from
15 MB to 16 MB and the space is 1 MB.
• Onboard PCI / IDE chip
The default value is Enable.
Enabled Enable onboard PCI IDE Function ( CMD 640B chip). Disabled Disable onboard PCI IDE Function ( CMD 640B chip).
• Onboard FDD Controller
The default value is Enable.
Enabled Enable onboard FDD port. Disabled Disable onboard FDD port.
• Onboard Parallel Mode
The default value is SPP.
Disabled Disable onboard LPT port Enabled Using Parallel port as Standard Printer Port
• Onboard Parallel port
The default value is 378H.
378H Enable onboard LPT port and address is 378H 278H Enable onboard LPT port and address is 278H None Disable onboard LPT port
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BIOS Configuration
ROM PCI / ISA BIOS
• Onboard Serial Port1
The default value is COM1.
COM1 Enable onboard Serial port1 and address is 3F8H COM3 Enable onboard Serial port1 and address is 3E8H None Disable onboard Serial port1
• Onboard Serial Port2
The default value is COM2.
COM2 Enable onboard Serial port2 and address is 2F8H COM4 Enable onboard Serial port2 and address is 2E8H None Disable onboard Serial port2
4.8.PCI SLOT CONFIGURATION
PCI SLOT CONFIGURATION
AWARD SOFTWARE, INC.
SLOT 1 INT# Map To : AUTO SLOT 2 INT# Map To : AUTO SLOT 3 INT# Map To : AUTO
PCI VGA Fully 32bit Access : Off PCI-to-CPU Write Buffer : On
PCI-to-CPU Read Buffer : Off GA-410 NCR PCI SCSI : SLOT1 1st Available IRQ : 9 2nd Available IRQ : 10 3rd Available IRQ : 11 4th Available IRQ : 12 5th Available IRQ : 5 PCI IDE IRQ Map To :ISA
: Quit
F1
: Help
F5
: Old Values
F6
: Load BIOS Defaults
PU/PD/+/­(Shift)F2
: Select ItemESC : Modify : Color
F7 : Load Setup Defaults
• SLOT 1~3 INT# Map To
The default value is AUTO.
AUTO The BIOS auto detect the PCI device using INTA ~ D and auto set up a available IRQ to let
device use.
A ~ D For some not PCI specification compliant device, the user must set up IRQ manually.
• GA-410 NCR PCI SCSI
The default value SLOT1. The GA-410 NCR 810 PCI SCSI card has a Jumper to select the card to be Primary or Secondary card. If the card is been set up to Primary then the user must set up the selection correctly (and the INT#A must be used). If the card is been set up to Secondary then the user only set up the above selections.
• Available IRQ
The default value is shown on the above table. These available IRQs are Mapped to be PCI INT# by BIOS for PCI device automaticly. If some one IRQ is used by
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ISA device then the user must keep the IRQ out of the available table.
• PCI IDE IRQ Map To: ISA
ISA For PCI IDE card using paddle card to connect ISA IRQ or using onboard IDE controller.
PCI-Auto For PCI specification compliant IDE device, the BIOS can Auto-detect the card using PCI
SLOT NO. & IRQ correctly.
PCI-SLOTX The user setup the SLOT NO. & the INT# used by PCI IDE device manually.
• PCI VGA Fully 32bit Access (byte merge)
The default value is Off.
Off Disable the function.
On Enable the system access the PCI VGA card always in 32bit data format access (byte
merged).
• PCI VGA Fully 32bit Access (byte merge)
The default value is Off.
Off Disable the function.
On Enable the system access the PCI VGA card always in 32bit data format (byte merged).
NOTE: For some PCI VGA, the function can not be enabled. (Ex. IIT AGX016)
• PCI-to-CPU Write Buffer
The default value is On.
On Enable PCI to CPU Write Buffer (better performance for PCI Master Device).
Off Disable PCI to CPU Write Buffer (for some PCI Master Device).
• PCI-to-CPU Read Buffer
The default value is Off.
On Enable PCI to CPU Read Buffer (better performance for PCI Master Device in multi-task
environment).
Off Disable PCI to CPU Read Buffer .
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BIOS Configuration
ROM PCI / ISA BIOS
4.9. LOAD SETUP DEFAULTS
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
BIOS FEATURES SETUP
CHIPSET FEATURES SETUP
PCI CONFIGURATION
LOAD SETUP DEFAU
ESC
: Quit
F10
: Save & Exit Setup (Shift)F2
Load SETUP Defaults except Standard CMOS SETUP
Load SETUP Defaults (Y/N)? N
PASSWORD SETTING
IDE HDD AUTO DETECTION
HDD LOW LEVEL FORMAT
SAVE & EXIT SETUP
OUT SAVING
: Select Item
: Chang Color
• Load SETUP Defaults
To load SETUP defaults value to CMOS SRAM, enter "Y". If not, enter "N".
M If there is any problem occurred, loading SETUP DEFAULTS step is recommended.
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ROM PCI / ISA BIOS
4.10. PASSWORD SETTING
When you select this function, the following message will appear at the center of the screen to assist you in creating a password.
ENTER PASSWORD
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
BIOS FEATURES SETUP
CHIPSET FEATURES SETUP
PCI CONFIGURATION
LOAD SETUP DEFAU
ESC
: Quit
F10
: Save & Exit Setup (Shift)F2
Load SETUP Defaults except Standard CMOS SETUP
Type the password, up to eight characters, and press <Enter>. The password typed now will clear and previously entered password from CMOS memory. You will be asked to confirm the password. Type the password again and press <Enter>. You may also press <Esc> to abort the selection and not enter a password.
Enter Password:
PASSWORD SETTING
IDE HDD AUTO DETECTION
HDD LOW LEVEL FORMAT
SAVE & EXIT SETUP
OUT SAVING
: Select Item
: Chang Color
To disable password, just press <Enter> when you are prompted to enter password. A message will confirm the password being disabled. Once the password is disabled, the system will boot and you can enter Setup freely.
If you select System at Security Option of BIOS Features Setup Menu, you will be prompted for the password every time the system is rebooted or any time you try to enter Setup. If you select Setup at Security Option of BIOS Features Setup Menu, you will be prompted only when you try to enter Setup.
4.11. IDE HDD AUTO DETECTION
PASSWORD DISABLED
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BIOS Configuration
ROM PCI / ISA BIOS
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
SIZETYPEHARD DISKS MODE
OPTION SIZE CYLS. HEAD PRECOMP LANDZ SECTOR MODE
1 (Y) 2 3
521 521 521
1060
CYLS. HEAD PRECOMP LANDZ SECTOR
Select Primary Master Option (N=Skip): N
530 530
16 32 32
ESC
65535
65535
: Skip
1059
0
1059 1059
63 63 63
NORMAL
LBA
LARGE
Type "Y" will accept the H.D.D. parameter 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 seclet LBA mode or LARGER mode for DOS partition LARGE than 528 MB.
4.12. HDD LOW LEVEL FORMAT
This selection supportt IDE HDD Low Level Format function.
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ROM PCI / ISA BIOS
4.13. SAVE & EXIT SETUP
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
BIOS FEATURES SETUP
CHIPSET FEATURES SETUP
PCI CONFIGURATION
LOAD SETUP DEFAU
ESC
: Quit
F10
: Save & Exit Setup (Shift)F2
Load SETUP Defaults except Standard CMOS SETUP
Type "Y" will quit the Setup Utility and save the user setup value to RTC CMOS SRAM. Type "N" will return to Setup Utility.
SAVE to CMOS and EXIT (Y/N)? N
PASSWORD SETTING
IDE HDD AUTO DETECTION
HDD LOW LEVEL FORMAT
SAVE & EXIT SETUP
OUT SAVING
: Select Item
: Chang Color
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BIOS Configuration
ROM PCI / ISA BIOS
4.14. EXIT WITHOUT SAVING
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
BIOS FEATURES SETUP
CHIPSET FEATURES SETUP
PCI CONFIGURATION
LOAD SETUP DEFAU
ESC
: Quit
F10
: Save & Exit Setup (Shift)F2
Load SETUP Defaults except Standard CMOS SETUP
Type "Y" will quit the Setup Utility without saving to RTC CMOS SRAM. Type "N" will return to Setup Utility.
Quit Without Saving (Y/N)? N
PASSWORD SETTING
IDE HDD AUTO DETECTION
HDD LOW LEVEL FORMAT
SAVE & EXIT SETUP
OUT SAVING
: Select Item
: Chang Color
4.15. KEYBOARD SETTING FUNCTION
After booting the O.S., there are some special functions used by keyboard as follows:
"CTRL_ALT_DEL" − Pressing these keys simultaneously will cause
system to Warm Start (Software Reset).
"CTRL_ALT_[+]" − Pressing these keys simultaneously will change the
system speed to high speed (Turbo, all cache memory enable).
"CTRL_ALT_[-]" − Pressing these keys simultaneously will change the
system speed to low speed (Normal, disable cache memory).
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5. AT TECHNICAL INFORMATION
5.1.I/O BUS CONNECTOR PIN OUT
5.1.1.ISA SLOT PIN OUT
B01
RESET
+5V
IRQ9
-5V
DRQ2
-12V
0WS +12V GND
-SMEMW
-SMEMR
-IOW
-IOR
-DACK3
-DRQ3
-DACK1
-DRQ1
-REFRESH BCLK
IRQ7 IRQ6 IRQ5 IRQ4 IRQ3
-DACK2 T/C
BALE
+5V
OSC
GND
B02 B03 B04 B05 B06 B07 B08 B09 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31
A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31
-I/O CH CHKGND SD07 SD06 SD05 SD04 SD03 SD02 SD01 SD00
-I/O CH RDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA09 SA08 SA07 SA06 SA05 SA04 SA03 SA02 SA01 SA00
-MEMCS16
-I/OCS16 IRQ10 IRQ11 IRQ12 IRQ15 IRQ14
-DACK0 DRQ0
-DACK5 DRQ5
-DACK6 DRQ6
-DACK7 DRQ7
+5V
-MASTER GND
D01 D02 D03 D04 D05 D06 D07 D08 D09 D10 D11 D12 D13 D14 D15 D16 D17 D18
C01 C02 C03 C04 C05 C06 C07 C08 C09 C10 C11 C12 C13 C14 C15 C16 C17 C18
SBHE LA23 LA22 LA21 LA20 LA19 LA18 LA17
-MEMR
-MEMW SD08 SD09 SD10 SD11 SD12 SD13 SD14 SD15
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AT Technical Information
5.1.2.PCI - BUS SLOT PIN OUT
B01
A01
-12V NC
GND
NC
VCC
VCC INTB# INTD# PST#1
NC
PST#2
GND GND
NC
GND
CLK
GND
REQ#
VCC
AD_31 AD_29
GND AD_27 AD_25
NC CBE#3 AD_23
GND AD_21 AD_19
NC AD_17 CEB#2
GND
IRDY#
NC
DEVSEL#
GND
LOCK#
PERR#
NC SERR#
NC CBE#1 AD_14
GND AD_12 AD_10
GND
AD_08 AD_07
NC AD_05 AD_03
GND
AD_01
VCC
NC
VCC VCC
B02 B03 B04 B05 B06 B07 B08 B09 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49
B52 B53 B54 B55 B56 B57 B58 B59 B60 B61 B62 A62
A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 A49
A52 A53 A54 A55 A56 A57 A58 A59 A60 A61
NC +12V NC NC VCC INTA# INTC# VCC NC VCC NC GND GND NC RST# VCC GNT# GND NC AD_30 NC AD_28 AD_26 GND AD_24 IDSEL NC AD_22 AD_20 GND AD_18 AD_16 NC FRAME# GND TRDY# GND STOP# NC SDONE SBO# GND PAR AD_15 NC AD_13 AD_11 GND AD_09
CBE#0 NC AD_06 AD_04 GND AD_02 AD_00 VCC NC VCC VCC
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5.2.I/O & MEMORY MAP
MEMORY MAP: [0000000-009FFFF] System memory used by DOS and application program.
[00A0000-00BFFFF] Display buffer memory for VGA/
EGA/CGA/MONOCHROME adapter. [00C0000-00DFFFF] Reserved for I/O device BIOS ROM or RAM buffer. [00E0000-00EFFFF] Reserved for PCI device ROM. [00F0000-00FFFFF] System BIOS ROM. [0100000-BFFFFFF] System extension memory.
I/O MAP: [000-01F] DMA controller.(Master)
[020-021] INTERRUPT controller.(Master) [022-023] CHIPSET control registers I/O ports. [040-05F] TIMER control registers. [060-06F] KEYBOARD interface controller.(8042) [070-07F] RTC ports & CMOS I/O ports. [080-09F] DMA register. [0A0-0BF] INTERRUPT controller.(Slave) [0C0-0DF] DMA controller.(Slave) [0F0-0FF] MATH COPROCESSOR [1F0-1F8] HARD DISK controller. [278-27F] PARALLEL port-2. [2B0-2DF] GRAPHICS adapter controller. [2F8-2FF] SERIAL port-2. [360-36F] NETWORK ports. [378-37F] PARALLEL port-1 [3B0-3BF] MONOCHROME & PRINTER adapter. [3C0-3CF] EGA adapter. [3D0-3DF] CGA adapter. [3F0-3F7] FLOPPY DISK controller. [3F8-3FF] SERIAL port-1.
5.3.TIMER & DMA CHANNELS MAP
TIMER MAP: TIMER Channel-0 System timer interrupt
TIMER Channel-1 DRAM REFRESH request TIMER Channel-2 SPEAKER tone generator
DMA CHANNELS: DMA Channel-0 Available
DMA Channel-1 IBM SDLC DMA Channel-2 FLOPPY DISK adapter DMA Channel-3 Available DMA Channel-4 Cascade for DMA controller 1 DMA Channel-5 Available DMA Channel-6 Available DMA Channel-7 Available
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AT Technical Information
5.4.INTERRUPT MAP
NMI: Parity check error IRQ (H/W): 0 System TIMER interrupt from TIMER-0
1 KEYBOARD output buffer full 2 Cascade for IRQ 8-15 3 SERIAL port 2 4 SERIAL port 1 5 PARALLEL port 2 6 FLOPPY DISK adapter 7 PARALLEL port 1 8 RTC clock 9 Available 10 Available 11 Available 12 Available 13 MATH coprocessor 14 HARD DISK adapter 15 Available
5.5.RTC & CMOS RAM MAP
RTC & CMOS: 00 Seconds
01 Second alarm 02 Minutes 03 Minutes alarm 04 Hours 05 Hours alarm 06 Day of week 07 Day of month 08 Month 09 Year 0A Status register A 0B Status register B 0C Status register C 0D Status register D 0E Diagnostic status byte 0F Shutdown byte 10 FLOPPY DISK drive type byte 11 Reserve 12 HARD DISK type byte 13 Reserve 14 Equipment byte 15 Base memory low byte 16 Base memory high byte 17 Extension memory low byte 18 Extension memory high byte 19-2d 2E-2F 30 Reserved for extension memory low byte 31 Reserved for extension memory high byte 32 DATE CENTURY byte 33 INFORMATION FLAG 34-3F Reserve 40-7f Reserved for CHIPSET SETTING DATA
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APPENDIX A: POST MESSAGE
When the BIOS encounters an error that requires the user to correct something, either a beep code will sound or a message will be displayed in a box in the middle of the screen and the message PRESS F1 TO CONTINUE, CTRL-ALT­ESC OR DEL TO ENTER SETUP will be shown in the information box at the bottom.
l POST BEEP
Currently there is only one beep code in BIOS. This code indicates that a video error has occurred and the BIOS cannot initialize the video screen to display any additional information. This beep code consists of a single long beep followed by two short beeps.
l ERROR MESSAGE
Once or more of the following messages may be displayed if the BIOS detects an error during the POST. This list includes message for both the ISA and the EISA BIOS.
Ö CMOS BATTERY HAS FAILED
CMOS battery is no longer functional. It should be replaced.
Ö CMOS CHECKSUM ERROR
Checksum of CMOS is incorrect. This can indicate that CMOS has become corrupt. This error may have been caused by a weak battery. Check the battery and replace if necessary.
Ö DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER
No boot device was found. Insert a system disk into Drive A: and press <Enter>. If you assumed the system would boot from the hard drive, make sure the controller is inserted correctly and all cables are properly attached. Also be sure the disk is formatted as a boot device. Then reboot the system.
Ö DISKETTE DRIVES OR TYPES MISMATCH ERROR - RUN SETUP
Type of diskette drive installed in the system is different from the CMOS definition. Run Setup to re-configure the drive type correctly.
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Appendix A: Post Message
Ö DISPLAY SWITCH IS SET INCORRECTLY
Display switch on the motherboard can be set to either monochrome or color. This indicates the switch is set to a different setting than indicated in Setup. Determine which setting is correct, and then either turn off the system and change the jumper, or enter Setup and change the VIDEO selection.
Ö DISPLAY TYPE HAS CHANGED SINCE LAST BOOT
Since last powering off the system, the display adapter has been changed. You must configure the system for the new display type.
Ö EISA Configuration Checksum Error
PLEASE RUN EISA CONFIGURATION UTILITY
The EISA non-volatile RAM checksum is incorrect or cannot correctly read the EISA slot. This can indicate either the EISA non-volatile memory has become corrupt or the slot has configured incorrectly. Also be sure the card is installed firmly in the slot.
Ö EISA Configuration Is Not Complete
PLEASE RUN EISA CONFIGURATION UTILITY
The slot configuration information stored in the EISA non-volatile memory is incomplete.
F When either of these errors appear, the system will boot in ISA mode, which
allows you to run the EISA Configuration Utility.
Ö ERROR ENCOUNTERED INITIALIZING HARD DRIVE
Hard drive cannot be initialized. Be sure the adapter is installed correctly and all cables are correctly and firmly attached. Also be sure the correct hard drive type is selected in Setup.
Ö ERROR INITIALIZING HARD DISK CONTROLLER
Cannot initialize controller. Make sure the cord is correctly and firmly installed in the bus. Be sure the correct hard drive type is selected in Setup.
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Also check to see if any jumper needs to be set correctly in the hard drive.
Ö FLOPPY DISK CNTRLR ERROR OR NO CNTRLR PRESENT
Cannot find or initialize the floppy drive controller. Make sure the controller is installed correctly and firmly. If there are no floppy drives installed, be sure the Diskette Drive selection in Setup is set to NONE.
Ö Invalid EISA Configuration
PLEASE RUN EISA CONFIGURATION UTILITY
The non-volatile memory containing EISA configuration information was programmed incorrectly or has become corrupt. Re-run EISA configuration utility to correctly program the memory.
F When this error appears, the system will boot in ISA mode, which allows you
to run the EISA Configuration Utility.
Ö KEYBOARD ERROR OR NO KEYBOARD PRESENT
Cannot initialize the keyboard. Make sure the keyboard is attached correctly and no keys are being pressed during the boot.
If you are purposely configuring the system without a keyboard, set the error halt condition in Setup to HALT ON ALL, BUT KEYBOARD. This will cause the BIOS to ignore the missing keyboard and continue the boot.
Ö Memory Address Error at ...
Indicates a memory address error at a specific location. You can use this location along with the memory map for your system to find and replace the bad memory chips.
Ö Memory parity Error at ...
Indicates a memory parity error at a specific location. You can use this location along with the memory map for your system to find and replace the bad memory chips.
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Appendix A: Post Message
Ö MEMORY SIZE HAS CHANGED SINCE LAST BOOT
Memory has been added or removed since the last boot. In EISA mode use Configuration Utility to re-configure the memory configuration. In ISA mode enter Setup and enter the new memory size in the memory fields.
Ö Memory Verify Error at ...
Indicates an error verifying a value already written to memory. Use the location along with your system's memory map to locate the bad chip.
Ö OFFENDING ADDRESS NOT FOUND
This message is used in conjunction with the I/O CHANNEL CHECK and RAM PARITY ERROR messages when the segment that has caused the problem cannot be isolated.
Ö OFFENDING SEGMENT:
This message is used in conjunction with the I/O CHANNEL CHECK and RAM PARITY ERROR messages when the segment that has caused the problem has been isolated.
Ö PRESS A KEY TO REBOOT
This will be displayed at the bottom screen when an error occurs that requires you to reboot. Press any key and the system will reboot.
Ö PRESS F1 TO DISABLE NMI, F2 TO REBOOT
When BIOS detects a Non-maskable Interrupt condition during boot, this will allow you to disable the NMI and continue to boot, or you can reboot the system will the NMI enabled.
Ö RAM PARITY ERROR - CHECKING FOR SEGMENT ...
Indicates a parity error in Random Access Memory.
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Ö Should Be Empty But EISA Board Found
PLEASE RUN EISA CONFIGURATION UTILITY
A valid board ID was found in a slot that was configured as having no board ID.
F When this error appears, the system will boot in ISA mode, which allows you
to run the EISA Configuration Utility.
Ö Should Have EISA Board But Not Found
PLEASE RUN EISA CONFIGURATION UTILITY
The board installed is not responding to the ID request, or no board ID has been found in the indicated slot.
F When this error appears, the system will boot in ISA mode, which allows you
to run the EISA Configuration Utility.
Ö Slot Not Empty
Indicates that a slot designated as empty by the EISA Configuration Utility actually contains a board.
F When this error appears, the system will boot in ISA mode, which allows you
to run the EISA Configuration Utility.
Ö SYSTEM HALTED, (CTRL-ALT-DEL) TO REBOOT ...
Indicates the present boot attempt has been aborted and the system must be rebooted. Press and hold down the CTRL and ALT keys and press DEL.
Ö Wrong Board In Slot
PLEASE RUN EISA CONFIGURATION UTILITY
The board ID does not match the ID stored in the EISA non-volatile memory.
F When this error appears, the system will boot in ISA mode, which allows you
to run the EISA Configuration Utility.
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Appendix B: Post Codes
APPENDIX B: POST CODES
F EISA POST codes are typically output to port address 300h. ISA POST
codes are typically output to port address 80h.
POST Name Description C0 Turn Off Chipset
Cache
1 Processor Test 1 Processor Status (1 FLAGS) Verification.
2 Processor Test 2 Read/Write/Verify all CPU registers except SS, SP, and BP with 3 Initialize Chips Disable NMI, PIE, AIE, UEI, SQWV.
4 Test Memory Refresh
Toggle
5 Blank video, Initialize
keyboard 6 Reserved 7 Test CMOS Interface
and Battery Status BE Chipset Default
Initialization C1 Memory presence test OEM Specific-Test to size on-board memory. C5 Early Shadow OEM Specific-Early Shadow enable for fast boot. C6 Cache presence test External cache size detection. 8 Setup low memory Early chip set initialization.
9 Early Cache
Initialization A Setup Interrupt Vector
Table B Test CMOS RAM
Checksum C Initialize keyboard Detect type of keyboard controller (optional).
D Initialize Video
Interface E Test Video Memory Test video memory, write sign-on message to screen.
OEM Specific-Cache control.
Test the following processor status flags carry, zero, sign, overflow, The BIOS will set each of these flags, verify they are set, then turn each flag off and verify it is off.
data pattern FF and 00. Disable video, parity checking, DMA.
Reset math coprocessor. Clear all page registers, CMOS shutdown byte. Initialize timer 0, 1, and 2, including set EISA timer to a known state. Initialize DMA controllers 0 and 1. Initialize interrupt controllers 0 and 1. Initialize EISA extended registers. RAM must be periodically refreshed in order to keep the memory from decaying. This function assures that the memory refresh function is working properly. Keyboard controller initialization.
Verifies CMOS is working correctly, detects bad battery. Program chipset registers with power on BIOS defaults.
Memory presence test. OEM chip set routines. Clear low 64 K of memory. Test first 64 K memory. Cyrix CPU initialization. Cache initialization. Initialize first 120 interrupt vectors with SPURIOUS_INT-HDLR and initialize INT 00h-1Fh according to INT_TBL. Test CMOS RAM Checksum, if bad, or insert key pressed, load defaults.
Set NUM_LOCK status. Detect CPU clock. Read CMOS location 14h to find out type of video in use. Detect and Initialize Video Adapter.
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F
Setup shadow RAM - Enable shadow according to Setup.
F Test DMA Controller 0 BIOS checksum test.
Keyboard detect and initialization. 10 Test DMA Controller 1 11 Test DMA Page
registers 12-13 Reserved 14 Test Timer Counter 2 Test 8254 Timer 0 Counter 2. 15 Test 8259-1 Mask Bits Verify 8259 Channel 1 masked interrupts by alternately turning
16 Test 8259-2 Mask Bits Verify 8259 Channel 2 masked interrupts by alternately turning 17 Test Stuck 8259's
Interrupt Bits 18 Test 8259 Interrupt
Functionality 19 Test Stuck NMI Bits
(Parity/IO Check) 1A Display CPU clock. 1B-1E Reserved 1F Set EISA Mode If EISA non-volatile memory checksum is good, execute EISA
20 Enable Slot 0 Initialize slot 0 (System Board). 21-2F Enable Slots 1-15 Initialize slot 1 through 15. 30 Size Base and
Extended Memory 31 Test Base and
Extended Memory
Test DMA Page Registers.
off and on the interrupt lines. off and on the interrupt lines.
Turn off interrupts then verify no interrupt mask register is on. Force an interrupt and verify the interrupt occurred. Verify NMI can be cleared.
initialization. If not, execute ISA tests an clear EISA mode flag. Test EISA Configuration Memory Integrity (checksum & communication interface).
Size base memory from 256 K to 640 K extended memory above 1 MB. Test base memory from 256 K to 640 K and extended memory above 1 MB using various patterns.
F This will be skipped in EISA mode and can be "skipped"
with ESC key in ISA mode.
32 Test EISA Extended
Memory
33-3B Reserved 3C Setup Enabled 3D Initialize & Install
Mouse 3E Setup Cache Controller Initialize cache controller. 3F Reserved BF Chipset Initialization Program chipset registers with Setup values. 40 Display virus protest disable or enable. 41 Initialize Floppy Drive &
Controller 42 Initialize Hard Drive &
Controller 43 Detect & Initialize
Serial/Parallel Ports 44 Reserved 45 Detect & Initialize Math
Coprocessor 46 Reserved 47 Reserved 48-4D Reserved 4E Manufacturing POST
Loop or Display
If EISA Mode flag is set then test EISA memory found in slots initialization.
This will be skipped in ISA mode and can be "skipped" with ESC key in EISA mode.
Detect if mouse is present, initialize mouse, install interrupt vectors.
Initialize floppy disk drive controller and any drives. Initialize hard drive controller and any drives. Initialize any serial and parallel ports (also game port).
Initialize math coprocessor.
Reboot if Manufacturing POST Loop pin is set. Otherwise display any messages (i.e., any non-fatal errors that were
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Appendix B: Post Codes
F
Messages detected during POST) and enter Setup. 4F Security Check Ask password security (optional). 50 Write CMOS Write all CMOS values back to RAM and clear screen. 51 Pre-boot Enable Enable parity checker.
Enable NMI, Enable cache before boot.
52 Initialize Option ROMs Initialize any option ROMs present from C8000h to EFFFFh.
When FSCAN option is enabled, will initialize from C8000h
to F7FFFh. 53 Initialize Time Value Initialize time value in 40h: BIOS area. 60 Setup Virus Protect Setup virus protect according to Setup 61 Set Boot Speed Set system speed for boot 62 Setup NumLock Setup NumLock status according to Setup 63 Boot Attempt Set low stack.
Boot via INT 19h. B0 Spurious If interrupt occurs in protected mode. B1 Unclaimed NMI If unmasked NMI occurs, display
Press F1 to disable NMI, F2 reboot. E1-EF Setup Pages E1 - Page 1, E2 - Page 2, etc. FF Boot
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APPENDIX C: BIOS DEFAULT DRIVE TABLE
Type Size (MB) Cylinders Heads Sectors Write /
Precomp
1 10 MB 306 4 17 128 305 TEAC SD510 2 20 MB 615 4 17 300 615 Seagate ST225, 3 31 MB 615 6 17 300 615
4 62 MB 940 8 17 512 940 5 47 MB 940 6 17 512 940 6 20 MB 615 4 17 65535 615 Seagate ST125
7 31 MB 462 8 17 256 511 8 30 MB 733 5 17 65535 733 Tandon TM703 9 112 MB 900 15 17 65535 901 10 20 MB 820 3 17 65535 820 11 35 MB 855 5 17 65535 855 12 50 MB 855 7 17 65535 855 13 20 MB 306 8 17 128 319 Disctron526,
14 43 MB 733 7 17 65535 733 16 20 MB 612 4 17 0 663 Microscience HH725
17 41 MB 977 5 17 300 977 18 57 MB 977 7 17 65535 977 19 60 MB 1024 7 17 512 1023 20 30 MB 733 5 17 300 732 21 43 MB 733 7 17 300 732 22 30 MB 733 5 17 300 733 Seagate ST4038 23 10 MB 306 4 17 0 336 24 54 MB 925 7 17 0 925 Seagate ST4051 25 69 MB 925 9 17 65535 925 Seagate ST4096 26 44 MB 754 7 17 754 754 Maxtor2085 27 69 MB 754 11 17 65535 754 Maxtor2140,
28 41 MB 699 7 17 256 699 Maxtor2190, 29 68 MB 823 10 17 65535 823 Maxtor1085 30 53 MB 918 7 17 918 918 Maxtor1105, 1120, 31 94 MB 1024 11 17 65535 1024 Maxtor1170
32 128 MB 1024 15 17 65535 1024 CDC9415 33 43 MB 1024 5 17 1024 1024 34 10 MB 612 2 17 128 612 35 77 MB 1024 9 17 65535 1024 36 68 MB 1024 8 17 512 1024 37 41 MB 615 8 17 128 615 38 25 MB 987 3 17 987 987 39 57 MB 987 7 17 987 987 Maxtor1140, 4380 40 41 MB 820 6 17 820 820 Seagate ST251 41 41 MB 977 5 17 977 977 Seagate ST4053
42 41 MB 981 5 17 981 981 Miniscribe3053/6053 43 48 MB 830 7 17 512 830 Miniscribe 3650
Land Zone
Example Model
MMI 112, 5412 ST4026
Tandon TM262
MMI M125
Syquest3250, 3425
Priam S14 Priam S19 Micropolis1325 4780
Miniscribe3053/6053 RLL
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Appendix D: PROBLEM SHEET
44 69 MB 830 10 17 65535 830 Miniscribe 3650 RLL 45 114 MB 917 15 17 65535 918 Conner CP3104 46 152 MB 1224 15 17 65535 1223 Conner CP3204 User
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GA-586AL
APPENDIX D: PROBLEM SHEET
1. Customer Data
Name Tel. No. Address Fax. No.
Purchase Date
2. Mainboard Data
Model No. GA- Rev. No. Serial No.
3. System Configuration
CPU Type: CPU Brand: CPU Speed:
DRAM Type: DRAM Speed: q 80 q 70 q 60 ns DRAM Total Size:
DRAM Brand: SRAM Size: q 64 KB q 128 KB q 256 KB q 512 KB SRAM Part No. TAG: DATA:
Video Card: Video Chip or Brand: Floppy Drive A Capacity & Brand: Floppy Drive B Capacity & Brand:
Storage Controller Type q MFM q RLL q IDE q ESDI q SCSI Hard Drive C Brand & Type: Hard Drive D Brand & Type:
LAN Controller Type LAN Card Brand & Model: Serial / Parallel Chip Brand & Model:
Mouse Brand & Model: O. S. q DOS q OS/2 q NETWARE q UNIX / XENIX Ver.:
4. AUTOEXEC.BAT & CONFIG.SYS File:
q 1 q 2 q 4 q 8 q 16 q 32 MB
MB
5. Problem Description:
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