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Gigabyte GA-686KDX User Manual

Dual pentium ii processor mainboard
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GA - 686KDX
USER'S MANUAL
Dual Pentiumâ II Processor MAINBOARD
REV. 1 Second Edition

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Summary of Contents for Gigabyte GA-686KDX

  • Page 1 GA - 686KDX USER'S MANUAL Dual Pentiumâ II Processor MAINBOARD REV. 1 Second Edition...
  • Page 2 GA-686KDX 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.

  • Page 3: Table Of Contents

    Table of Contents 1.1. PREFACE.......................1-1 1.2. KEY FEATURES....................1-1 1.3. PERFORMANCE LIST.................1-2 1.4. BLOCK DIAGRAM..................1-3 1.5. INTRODUCE THE Pentiumâ II Processor..........1-4 2. SPECIFICATION....................2-1 2.1. HARDWARE....................2-1 2.2. SOFTWARE....................2-2 2.3. ENVIRONMENT....................2-2 3. HARDWARE INSTALLATION................3-1 3.1. UNPACKING....................3-1 3.2. MAINBOARD LAYOUT.................3-2 3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS....3-2 3.4.
  • Page 4 GA-686KDX 4.3.2. Status Page Setup Menu / Option Page Setup Menu....4-3 4.4. THE MAIN MENU..................4-3 4.5. STANDARD CMOS SETUP MENU............4-5 4.6. BIOS FEATURES SETUP................4-9 4.7. CHIPSET FEATURES SETUP..............4-13 4.8. POWER MANAGEMENT SETUP............4-15 4.9. PNP/PCI CONFIGURATION..............4-17 4.10. INTEGRATED PERIPHERALS...............4-18 4.11. LOAD SETUP DEFAULTS...............4-22 4.12.

  • Page 5: Preface

    Introduction INTRODUCTION 1.1. PREFACE Welcome to use the GA - 686KDX motherboard. The motherboard is a Dual Pentiumâ II 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 just the performance you want.

  • Page 6: Performance List

    GA-686KDX 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 &...

  • Page 7: Block Diagram

    Introduction 1.4. BLOCK DIAGRAM...
  • Page 8 GA-686KDX...

  • Page 9: Introduce The Pentiumâ Ii Processor

    Introduction 1.5. INTRODUCE THE Pentiumâ II Processor Figure 1:Retention Mechanism & attach Mount...
  • Page 10 GA-686KDX Figure 2:OEM Pentiumâ II Processor Figure 3:Heatsink / FAN & Heat sink support for OEM Pentiumâ II Processor...
  • Page 11 Introduction Figure 4:Boxed Pentiumâ II Processor & Heat sink support...

  • Page 12: Specification

    GA-686KDX SPECIFICATION 2.1. HARDWARE · CPU - Dual Pentiumâ II processor 233 - 333 MHz. - Dual 242 pins slot1 on board. · PROTECTION - Onboard Buzzer Alarm when detect "CPU FAN Failure". - Onboard Buzzer Alarm when detect "CPU Overheat".

  • Page 13: Software

    Specification - Supports 1 1.44/2.88 MB Floppy port. (Using DMA2 &    IRQ6) - Supports 2 USB ports. - Supports PS/2 Mouse. (Using IRQ12 ) - Supports PS/2 Keyboard. (Using IRQ1 ) · GREEN FUNCTION - Standby & Suspend mode support. - Green switch &...

  • Page 14: Hardware Installation

    GA-686KDX HARDWARE INSTALLATION 3.1. UNPACKING The mainboard package should contain the following: · The GA - 686KDX mainboard. · The Retention Mechanism & Attach Mount · USER'S MANUAL for mainboard. · Cable set for IDE & Floppy device. · Diskette for BUS MASTER ATAPI device.

  • Page 15: Mainboard Layout

    Hardware Installation separate. 3.2. MAINBOARD LAYOUT...
  • Page 16 GA-686KDX...

  • Page 17: Quick Reference For Jumpers & Connectors

    Hardware Installation × Figure 3.1Ø 3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS CN1-8 I/O Ports Connector For Serial port1(COM A). For LPT port. For Serial port2 (COM B). For Keyboard I/O port. For PS/2 Mouse port. USB port. For Floppy port For Primary IDE port.
  • Page 18 GA-686KDX GND (-) J8: Hard Disk active LED (HD-LED) Pin No. Function LED POWER (+) LED POWER (-) LED POWER (+) J9: INFRARED Connector (IR) -- Function Option Pin No. Function IR Data Output IR Data Input POWER (+) J10: Reserved J11: ATX Power On/Off Pin No.

  • Page 19: Dram Installation

    Hardware Installation Power1: ATX POWER connector Pin No. Function 3,5,7,13,15-17 4,6,19,20 VCC (+5V) +12V -12V Power Good 5V SB (Stand by +5V) PS-ON (Soft ON/OFF) 3.4. DRAM INSTALLATION The mainboard can be installed with 4 / 8 / 16 / 32 / 64 / 128 MB 72 pins SIMM module DRAM, and the DRAM speed must be 60 or 70 ns.

  • Page 20: Cmos Rtc & Isa Cfg Cmos Sram

    GA-686KDX Pentiumâ II 233 MHz Pentiumâ II 266 MHz Pentiumâ II 300 MHz Pentiumâ II 333 MHz Pentiumâ II 366 MHz 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.

  • Page 21: Power Led Connector Installation

    Hardware Installation 3.9. POWER LED CONNECTOR INSTALLATION There are a system power LED lamp on the panel of case. The power LED will light on when system is powered-on, which is connected to a 3 PIN connector. The connector should    be connected to J7 of mainboard in correct direction. 3.10.

  • Page 22: Keyboard Setting Function

    GA-686KDX and prepare to power-on the system. 3.14. KEYBOARD SETTING FUNCTION After booting the O.S., there are some special functions used by keyboard as follows: - Pressing these keys simultaneously will cause "CTRL_ALT_DEL"     system to Warm Start (Software Reset).

  • Page 23: Bios Configuration

    BIOS Configuration 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.

  • Page 24: Control Keys

    GA-686KDX 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...

  • Page 25: 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 26 GA-686KDX Figure 4.1: Main Menu · 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.

  • Page 27: Standard Cmos Setup Menu

    BIOS Configuration Abandon all CMOS value changes and exit setup. 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>...
  • Page 28 GA-686KDX 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 · Time The time format in <hour> <minute> <second>. The time is calculated base on the 24-hour military-time clock.
  • Page 29 BIOS Configuration capacity. 1.2M, 5.25 in. 5-1/4 inch AT-type high-density drive; 1.2 megabyte capacity (3-1/2 inch when 3 Mode is Enabled). 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.
  • Page 30 GA-686KDX it will stop for all other errors All, But Diskette The system boot will not stop for a disk error; it will stop for all other errors All, But Disk/Key The system boot will not stop for a keyboard or disk error;...
  • Page 31 BIOS Configuration 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.

  • Page 32: Bios Features Setup

    GA-686KDX 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...
  • Page 33 BIOS Configuration 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...
  • Page 34 GA-686KDX 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 ·...
  • Page 35 BIOS Configuration The default value is 6. 6-30 Set the maximum typematic rate from 6 chars. per second to 30 chars. per second. · Typematic Delay (Msec) The default value is 250. 250-1000 Set the time delay from first key to repeat the same key in to computer.

  • Page 36: Chipset Features Setup

    GA-686KDX · OS Select For    DRAM>64MB The default value is Non-OS2. Non-OS2 Using non-OS2 operating system.    Using OS2 operating system and DRAM>64MB. · Video BIOS Shadow It determines whether video BIOS will copied to RAM, however, it is optional from chipset design.
  • Page 37 BIOS Configuration Figure 4.4: Chipset Features Setup · Auto Configuration The default value is Enabled. Enable For 60 - 70ns DRAM Timing. Disable For slow speed DRAM Timing. · DRAM speed selection The default value is 60 - 70ns. 60 - 70ns For 60 - 70ns DRAM.
  • Page 38 GA-686KDX The default value is Disabled. Disabled Disable ECC & PARITY function. PARITY Enable PARITY function when using 36 bit DRAM Module. Enable ECC function when using 36 bit DRAM Module. · Video RAM Cacheable The default value is Disabled.

  • Page 39: Power Management Setup

    BIOS Configuration 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. Please disable Green Function for Non-S CPU in OS/2, Unix, Window NT & Novell system. ·...
  • Page 40 GA-686KDX The default value is Yes. Enable software APM function. Disable software APM function. · Video off Method The default value is DPMS Support. Blank Screen BIOS will only black monitor when gets into Green mode. V/H SYNC + Blank BIOS will turn off V/H-SYNC when gets into Green mode for Green monitor power saving.

  • Page 41: Pnp/Pci Configuration

    BIOS Configuration The default value is On. The system will return to normal mode from Green Mode when the IRQX is active. The system will not return to normal mode from Green Mode when the IRQX is active. 4.9. PNP/PCI CONFIGURATION Figure 4.6: PCI Slot Configuration * This option will show up if Used MEM addr is been C800 ~ DC00.

  • Page 42: Integrated Peripherals

    GA-686KDX The default value is Manual. Manual User can set the PnP resource (I/O Address, IRQ & DMA channels) used by legacy ISA DEVICE. Auto BIOS automatically use these PnP rescuers. · IRQ (3,4,5,7,9,10,11,12,14,15), DMA(0,1,3,5,6,7) assigned to The default value is "Legacy ISA" or "PCI/ISA PnP".
  • Page 43 BIOS Configuration Figure 4.7: Load Setup Defaults · IDE HDD Block Mode The default value is Enabled. Enabled Enable IDE HDD Block Mode Disabled Disable IDE HDD Block Mode · IDE Primary Master PIO (for onboard IDE 1st channel). The default value is Auto. Auto BIOS will automatically defect the IDE HDD Accessing mode.
  • Page 44 GA-686KDX The default value is Auto. Auto BIOS will automatically defect the IDE HDD Accessing mode. Mode0~4 Manually set the IDE Accessing mode. · IDE Secondary Master PIO (for onboard IDE 2nd channel). The default value is Auto. Auto BIOS will automatically defect the IDE HDD Accessing mode.
  • Page 45 BIOS Configuration Enabled Enable PCI BUS Device's 2nd IDE Channel Disabled Disable PCI BUS Device’s 2nd IDE Channel · Onboard FDD Controller The default value is Enabled. Enabled Enable onboard FDD port. Disabled Disable onboard FDD port. · Onboard Serial Port 1 The default value is COM1/3F8.
  • Page 46 GA-686KDX · Onboard Parallel Mode The default value is SPP. Using Parallel port as Normal Printer Port. Using Parallel port as Enhanced Parallel Port. Using Parallel port as Extended Capabilities Port. ECP+EPP Using Parallel port as ECP & EPP mode.

  • Page 47: Load Setup Defaults

    BIOS Configuration 4.11. LOAD SETUP DEFAULTS Figure 4.7: Load Setup Defaults · 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.

  • Page 48: User Password

    GA-686KDX 4.12. 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. ENTER PASSWORD Figure 4.8: Password Setting Type the password, up to eight characters, and press <Enter>. The password typed now will clear and previously entered password from CMOS memory.

  • Page 49: Ide Hdd Auto Detection

    BIOS Configuration 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. 4.13.

  • Page 50: Hdd Low Level Format

    GA-686KDX 4.14. HDD LOW LEVEL FORMAT Figure 4.12: HDD Low Level Format HDD Low Level Format Utility: In main manual: There are three options to choose: one is: SELECT DRIVE: "C" or "D". another one is: BAD TRACK LIST: User can auto, add, modify, delete, clear for bad track of HDD.

  • Page 51: Save & Exit Setup

    BIOS Configuration 4.15. SAVE & EXIT SETUP Figure 4.10: Save & Exit 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. 4-29...

  • Page 52: Exit Without Saving

    GA-686KDX 4.16. EXIT WITHOUT SAVING Figure 4.11: Exit Without Saving Type "Y" will quit the Setup Utility without saving to RTC CMOS SRAM. Type "N" will return to Setup Utility. 4-30...

  • Page 53: At Technical Information

    GA-686KDX AT TECHNICAL INFORMATION 5.1. I/O BUS CONNECTOR PIN OUT 5.1.1. ISA SLOT PIN OUT...
  • Page 54 AT Technical Information...

  • Page 55: Pci - Bus Slot Pin Out

    GA-686KDX 5.1.2. PCI - BUS SLOT PIN OUT...
  • Page 56 AT Technical Information...
  • Page 57 GA-686KDX...

  • Page 58: I/O & Memory Map

    AT Technical Information 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.

  • Page 59: Rtc & Cmos Ram Map

    GA-686KDX 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...
  • Page 60 AT Technical Information Second alarm Minutes Minutes alarm Hours Hours alarm Day of week Day of month Month Year Status register A Status register B Status register C Status register D Diagnostic status byte Shutdown byte FLOPPY DISK drive type byte Reserve HARD DISK type byte Reserve...

  • Page 61: Appendix A: Post Message

    Appendix A: Post Message 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-ALT-ESC OR DEL TO ENTER SETUP will be shown in the information box at the bottom.
  • Page 62 GA-686KDX 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.
  • Page 63 Appendix A: Post Message 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...
  • Page 64 GA-686KDX 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.
  • Page 65 Appendix A: Post Message 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.

  • Page 66: Appendix B: Post Codes

    GA-686KDX 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 Turn Off Chipset OEM Specific-Cache control. Cache Processor Test 1 Processor Status (1 FLAGS) Verification.
  • Page 67 Appendix B: Post Codes Memory presence test. OEM chip set routines. Clear low 64 K of memory. Test first 64 K memory. Early Cache Cyrix CPU initialization. Initialization Cache initialization. Setup Interrupt Initialize first 120 interrupt vectors with Vector Table SPURIOUS_INT-HDLR and initialize INT 00h-1Fh according to INT_TBL.
  • Page 68 GA-686KDX Display CPU clock. 1B-1E Reserved Set EISA Mode If EISA non-volatile memory checksum is good, execute EISA initialization. If not, execute ISA tests an clear EISA mode flag. Test EISA Configuration Memory Integrity (checksum & communication interface). Enable Slot 0 Initialize slot 0 (System Board).
  • Page 69 Appendix B: Post Codes Reserved 48-4D Reserved Manufacturing Reboot if Manufacturing POST Loop pin is set. POST Loop or Otherwise display any messages (i.e., any non-fatal Display Messages errors that were detected during POST) and enter Setup. Security Check Ask password security (optional). Write CMOS Write all CMOS values back to RAM and clear screen.

  • Page 70: Appendix C: Bios Default Drive Table

    GA-686KDX APPENDIX C: BIOS DEFAULT DRIVE TABLE Type Size Cylinders Heads Sectors Write / Land Example Model (MB) Precomp Zone 10 MB TEAC SD510 MMI 112, 5412 20 MB Seagate ST225, ST4026 31 MB 62 MB 47 MB 20 MB...
  • Page 71 Appendix C: BIOS Default Drive Table                                  69 MB 65535 Maxtor2140, Priam S14 41 MB Maxtor2190, Priam S19 68 MB 65535 Maxtor1085 Micropolis1325 53 MB Maxtor1105, 1120, 4780 94 MB...

  • Page 72: Appendix D: Problem Sheet

    GA-686KDX                                    APPENDIX D: PROBLEM SHEET 1. Customer Data Name Tel. No. Address Fax. No. Purchase Date 2. Mainboard Date Model Rev. No. Serial No.

  • Page 73: Appendix E: Fcc Document

    Appendix E: FCC Document                                  APPENDIX E: FCC DOCUMENT...
  • Page 74 GA-686KDX...
  • Page 75 Appendix E: FCC Document                                  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.

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