Gigabyte GA-686KDX User Manual Download Page 45

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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.

Auto

BIOS will automatically setup the port A address.

COM1/3F8

Enable onboard Serial port A and address is 3F8.

COM2/2F8

Enable onboard Serial port A and address is 2F8.

COM3/3E8

Enable onboard Serial port A and address is 3E8.

COM4/2E8

Enable onboard Serial port A and address is 2E8.

Disabled

Disable onboard Serial port A.

Onboard Serial Port 2

The default value is Auto.

Auto

BIOS will automatically setup the port B address.

COM1/3F8

Enable onboard Serial port B and address is 3F8.

COM2/2F8

Enable onboard Serial port B and address is 2F8.

COM3/3E8

Enable onboard Serial port B and address is 3E8.

COM4/2E8

Enable onboard Serial port B and address is 2E8.

Disabled

Disable onboard Serial port B.

Onboard Parallel port

The default value is 378/IRQ7.

378

Enable onboard LPT port and address is 378/IRQ7.

278

Enable onboard LPT port and address is 278/IRQ5.

Disabled

Disable onboard LPT port.

3BC

Enable onboard LPT port and address is 3BC/IRQ7.

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Summary of Contents for GA-686KDX

Page 1: ...GA 686KDX USER S MANUAL Dual Pentium II Processor MAINBOARD REV 1 Second Edition...

Page 2: ...s 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 JULY...

Page 3: ...CTORS 3 2 3 4 DRAM INSTALLATION 3 5 3 5 CPU SPEED SETUP 3 5 3 6 CMOS RTC ISA CFG CMOS SRAM 3 6 3 7 SPEAKER CONNECTOR INSTALLATION 3 6 3 8 HARDWARE RESET SWITCH CONNECTOR INSTALLATION 3 6 3 9 POWER LED...

Page 4: ...ER PASSWORD 4 23 4 13 IDE HDD AUTO DETECTION 4 24 4 14 HDD LOW LEVEL FORMAT 4 24 4 15 SAVE EXIT SETUP 4 25 4 16 EXIT WITHOUT SAVING 4 27 5 AT TECHNICAL INFORMATION 5 1 5 1 I O BUS CONNECTOR PIN OUT 5...

Page 5: ...rogram 1 2 KEY FEATURES q Intel Pentium II Processor based PC AT compatible mainboard q Dual slot 1 on board supports dual Pentium II processor running at 233 333 MHz q Support CPU FAN Failure Overhea...

Page 6: ...ation will result in different benchmark testing results CPU Pentium II processor DRAM 32 MB EDO CACHE SIZE 512 KB included in CPU DISPLAY Matrox Millennium 2MB STORAGE Onboard IDE port Quantum FB 128...

Page 7: ...Introduction 1 4 BLOCK DIAGRAM 1 3...

Page 8: ...GA 686KDX 1 4...

Page 9: ...Introduction 1 5 INTRODUCE THE Pentium II Processor Figure 1 Retention Mechanism attach Mount 1 5...

Page 10: ...GA 686KDX Figure 2 OEM Pentium II Processor Figure 3 Heatsink FAN Heat sink support for OEM Pentium II Processor 1 6...

Page 11: ...Introduction Figure 4 Boxed Pentium II Processor Heat sink support 1 7...

Page 12: ...peed 8 MHz AT bus speed DRAM MEMORY 3 banks 72 pins SIMM module socket on board Use 4 8 16 32 64 128 MB 60 70 ns SIMM module DRAM 8 768 MB DRAM size Support Fast Page EDO DRAM access mode CACHE MEMORY...

Page 13: ...O events BIOS 256KB FLASH EEPROM Supports Plug Play DMI Function DIMENSION ATX Form Factor 4 layers PCB 2 2 SOFTWARE BIOS Licensed AWARD BIOS AT CMOS Setup BIOS Chipset Setup Green Setup Hard Disk Ut...

Page 14: ...ious 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...

Page 15: ...Hardware Installation separate 3 2 MAINBOARD LAYOUT 3 2...

Page 16: ...GA 686KDX 3 3...

Page 17: ...For PS 2 Mouse port CN5 USB port CN6 For Floppy port CN7 For Primary IDE port CN8 For Secondary IDE port t J1 4 CPU cooling FAN Power Connector Pin No Function 1 GND 2 12V 3 SENSE t J2 3 slot1 For Pe...

Page 18: ...served t J11 ATX Power On Off Pin No Function Close Open This is the soft switch Power On Off of ATX Power Supply Close Open one time to Power On again to Power Off t J12 GN LED Pin No Function 1 LED...

Page 19: ...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 t...

Page 20: ...e 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 5 years the user can change a new RTC to replace old...

Page 21: ...four ATAPI devices can exist in a system The booting Hard Disk should be the Master device of 1st IDE channel The J8 is the active LED port for ATAPI device 3 12 PERIPHERAL DEVICE INSTALLATION After t...

Page 22: ...r on the system 3 14 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 W...

Page 23: ...e 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...

Page 24: ...meric 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...

Page 25: ...elp 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 Util...

Page 26: ...ion This setup page includes all the configurations of PCI PNP ISA resources Integrated peripherals This setup page includes all onboard peripherals Load setup defaults BIOS defaults indicates the mos...

Page 27: ...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 St...

Page 28: ...our 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 Typ...

Page 29: ...eo 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...

Page 30: ...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...

Page 31: ...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 progr...

Page 32: ...ctor 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 The default value...

Page 33: ...ot Sequence This category determines which drive computer searches first for the disk operating system i e DOS Default value is A C SCSI C only Select C drive boot first LS ZIP C Select LS 120 or ZIP...

Page 34: ...unction No Disable CPU overheat monitor function Slow Down CPU When overheat or CPU FAN Failure The default value is No Yes The onboard Buzzer will alarm slow down CPU speed when detect CPU overheat o...

Page 35: ...ot 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 a...

Page 36: ...t is optional from chipset design Video Shadow will increase the video speed The default value is Enable Enabled Video shadow is enabled Disabled Video shadow is disabled C8000 CFFFF Shadow D0000 DFFF...

Page 37: ...o 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 50 60ns For 60...

Page 38: ...hen using 36 bit DRAM Module Video RAM Cacheable The default value is Disabled Disabled Disable this function Enabled Enable this function to better VGA performance while some brands of VGA must be di...

Page 39: ...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 W...

Page 40: ...to control VGA card The Green type VGA card will turn of V H SYNC automatically Standby Mode for Network Card using The default value is Disable Disable Disable Standby Mode 1 min 1 Hour Setup the tim...

Page 41: ...mode from Green Mode when the IRQX is active Off 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 opti...

Page 42: ...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 ISAPnP The resource is used by PCI ISA PnP device PCI or ISA Used MEM base a...

Page 43: ...ed 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...

Page 44: ...de IDE Secondary Slave PIO for onboard IDE 2nd channel The default value is Auto Auto BIOS will automatically defect the IDE HDD Accessing mode Mode0 4 Manually set the IDE Accessing mode On Chip Prim...

Page 45: ...COM4 2E8 Enable onboard Serial port A and address is 2E8 Disabled Disable onboard Serial port A Onboard Serial Port 2 The default value is Auto Auto BIOS will automatically setup the port B address CO...

Page 46: ...Normal Printer Port EPP Using Parallel port as Enhanced Parallel Port ECP Using Parallel port as Extended Capabilities Port ECP EPP Using Parallel port as ECP EPP mode USB Controller The default value...

Page 47: ...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 ste...

Page 48: ...viously 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 To di...

Page 49: ...eatures Setup Menu you will be prompted only when you try to enter Setup 4 13 IDE HDD AUTO DETECTION Figure 4 9 IDE HDD Auto Detection Type Y will accept the H D D parameter reported by BIOS Type N wi...

Page 50: ...el 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...

Page 51: ...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: ...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: ...GA 686KDX 5 AT TECHNICAL INFORMATION 5 1 I O BUS CONNECTOR PIN OUT 5 1 1 ISA SLOT PIN OUT 5 1...

Page 54: ...AT Technical Information 5 2...

Page 55: ...GA 686KDX 5 1 2 PCI BUS SLOT PIN OUT 5 3...

Page 56: ...AT Technical Information 5 4...

Page 57: ...GA 686KDX 5 5...

Page 58: ...80 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 2F...

Page 59: ...tput 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...

Page 60: ...ostic 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 lo...

Page 61: ...tects an error during the POST This list includes message for both the ISA and the EISA BIOS CMOS BATTERY HAS FAILED CMOS battery is no longer functional It should be replaced CMOS CHECKSUM ERROR Chec...

Page 62: ...ile memory has become corrupt or the slot has configured incorrectly Also be sure the card is installed firmly in the slot EISA Configuration Is Not Complete PLEASE RUN EISA CONFIGURATION UTILITY The...

Page 63: ...ure 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...

Page 64: ...at requires you to reboot Press any key and the system will reboot PRESS F1 TO DISABLE NMI F2 TO REBOOT When BIOS detects a Non maskable Interrupt condition during boot this will allow you to disable...

Page 65: ...oot in ISA mode which allows you to run the EISA Configuration Utility SYSTEM HALTED CTRL ALT DEL TO REBOOT Indicates the present boot attempt has been aborted and the system must be rebooted Press an...

Page 66: ...s 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...

Page 67: ...er E Test Video Memory Test video memory write sign on message to screen Setup shadow RAM Enable shadow according to Setup F Test DMA Controller 0 BIOS checksum test Keyboard detect and initialization...

Page 68: ...Test EISA Extended Memory If EISA Mode flag is set then test EISA memory found in slots initialization F This will be skipped in ISA mode and can be skipped with ESC key in EISA mode 33 3B Reserved 3...

Page 69: ...before boot 52 Initialize Option ROMs Initialize any option ROMs present from C8000h to EFFFFh F When FSCAN option is enabled will initialize from C8000h to F7FFFh 53 Initialize Time Value Initialize...

Page 70: ...35 733 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 MMI M125 14 43 MB 733 7 17 65...

Page 71: ...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...

Page 72: ...RAM Brand SRAM Size q 64KB 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 R...

Page 73: ...Appendix E FCC Document APPENDIX E FCC DOCUMENT E 1...

Page 74: ...GA 686KDX E 1...

Page 75: ...termined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Move the equi...

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