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GA-686LX

3-2

separate.

3.2. MAINBOARD LAYOUT

SLOT6

PCI1

PCI2

PCI3

PCI4

COMA COMB

LPT

USB

KB

Mouse

ATX

POWER1

1

2

3

4

S1

BIOS

RESET

HD-LED

GN-SW

CN6

CN7

IDE1

IDE2

CN8

FLOPPY

CN1

CN2

CN3

CN4

CN5

J2

DIMM1

DIMM2

DIMM3

DIMM4

Bank 1
Bank 0

371AB

PIIX4

FAN POWER

BUZZER1

J1

AGP1

BAT1

SLOT4

SLOT2

GA-686LX

HT1

JP2

Bank 3
Bank 2

J3

J1 J5

J6

J7

J8

J9

IR

PWR-ON

SPEAKER

PWR-LED

×

Figure 3.1

Ø

3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS

t

CN1-8 I/O Ports Connector

CN1

For Serial port1 (COM A).

CN2

For Serial port2 (COM B).

CN3

For LPT port.

CN4

USB port.

CN5

For Keyboard I/O port.

CN5

For PS/2 Mouse port.

CN6

For Secondary IDE port.

CN7

For Primary IDE port.

CN8

For Floppy port

t

J1: slot1

Содержание 686LX

Страница 1: ...GA 686LX USER S MANUAL Pentium II Processor MAINBOARD REV 1 First Edition...

Страница 2: ...ity 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 respec...

Страница 3: ...RD LAYOUT 3 2 3 3 QUICK REFERENCE FOR JUMPERS CONNECTORS 3 2 3 4 DRAM INSTALLATION 3 4 3 5 CPU SPEED SETUP 3 5 3 6 CMOS RTC ISA CFG CMOS SRAM 3 5 3 7 SPEAKER CONNECTOR INSTALLATION 3 6 3 8 HARDWARE RE...

Страница 4: ...RALS 4 22 4 11 LOAD SETUP DEFAULTS 4 27 4 12 USER PASSWORD 4 28 4 13 IDE HDD AUTO DETECTION 4 29 4 14 HDD LOW LEVEL FORMAT 4 29 4 15 SAVE EXIT SETUP 4 30 4 16 EXIT WITHOUT SAVING 4 32 5 AT TECHNICAL I...

Страница 5: ...Table of Contents 5 APPENDIX E FCC DOCUMENT E 1...

Страница 6: ......

Страница 7: ...Processor based PC AT compatible mainboard q Slot 1 supports Pentium II processor running at 233 633 MHz q Intel 440LX chipset Support AGP SDRAM Ultra DMA 33 IDE ACPI features q Support CPU FAN Failur...

Страница 8: ...dware Software configuration will result in different benchmark testing results CPU Pentium II processor DRAM 64 MB SDRAM CACHE SIZE 512 KB included in CPU DISPLAY Matrox Millennium II 4MB PCI VGA STO...

Страница 9: ...K DIAGRAM 14 318MHz 66MHz 24MHz Ultra DMA 33 IDE Ports IDE Bus PCI Bus 66MHz AGP SLOT PCI Bus 33MHz 33MHz 33MHz 14 318MHz 48MHz ISA Bus AGP Bus LPT Port USB 2 PS 2 Keyboard COM Ports USB 1 DRAM Bus SL...

Страница 10: ...GA 686LX 1 4 1 5 INTRODUCE THE Pentium II Processor AGP Figure 1 Retention Mechanism attach Mount Figure 2 OEM Pentium II Processor...

Страница 11: ...Introduction 1 5 Figure 3 Heatsink FAN Heat sink support for OEM Pentium II Processor Figure 4 Boxed Pentium II Processor Heat sink support...

Страница 12: ...either as fast PCI port 32 bit at 66MHz vs 32 bits at 33MHz or as an AGP port which supports 2x data rate a read queue and side band addressing When the 2x data rate is used the port can transmit data...

Страница 13: ...bus speed 133MHz 2 mode 33 MHz PCI Bus speed 8 MHz AT bus speed DRAM MEMORY 4 banks 168 pins DIMM module sockets on board Use 8 16 32 64 128 256 MB 60 70 ns DIMM module DRAM 8 1 GB DRAM size Support...

Страница 14: ...I O events BIOS 256KB FLASH EEPROM Supports Plug Play DMI ACPI Function DIMENSION ATX Form Factor 4 layers PCB 2 2 SOFTWARE DRIVER Intel LDCM optional Health monitor Utility Bus Master IDE Driver BIO...

Страница 15: ...on 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...

Страница 16: ...371AB PIIX4 FAN POWER BUZZER1 J1 AGP1 BAT1 SLOT4 SLOT2 GA 686LX HT1 JP2 Bank 3 Bank 2 J3 J1 J5 J6 J7 J8 J9 IR PWR ON SPEAKER PWR LED Figure 3 1 3 3 QUICK REFERENCE FOR JUMPERS CONNECTORS t CN1 8 I O P...

Страница 17: ...or Pin No Function 1 VCC 2 NC 3 NC 4 Output t J4 RESET Switch Pin No Function 1 RESET Input 2 GND t J5 POWER ON LED PW LED Pin No Function 1 LED POWER 2 NC 3 GND t J6 Hard Disk active LED HD LED Pin N...

Страница 18: ...RATIO CPU TYPE 1 2 3 4 CLK RATIO 200MHz OFF ON OFF OFF X3 233MHz ON ON OFF OFF X3 5 266MHz OFF OFF ON OFF X4 300MHz ON OFF ON OFF X4 5 333MHz OFF ON ON OFF X5 366MHz ON ON ON OFF X5 5 t POWER1 ATX PO...

Страница 19: ...233 633MHz processor The CPU speed must match with the frequency RATIO It will cause system hanging up if the frequency RATIO is higher than CPU s DIP SWITCH S1 1 2 3 4 FREQ RATIO EXT CLK MHz NT CLK M...

Страница 20: ...released by user The RESET switch is a 2 PIN connector and should be installed to J4 on mainboard 3 9 POWER LED CONNECTOR INSTALLATION There are system power LED lamps on the panel of case The power L...

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