Gigabyte GA-686LX Manual de usuario

R-10-01-080123

GA – 686LX3

USER'S MANUAL

1. System power on by PS/2 Mouse: You can power on the

system by double clicking the right or left button of your

PS/2 Mouse.

2. System power on by Keyboard: If your ATX power supply

supports 1 ampere 5V Stand-By function, you can power on

your system by entering password from keyboard.

3. Supports 3 steps ACPI LED

Pentium II Processor MAINBOARD

REV. 1.0 Second Edition

Release Date 98.1.15

GA-686LX3

The author assumes no responsibility for any errors or omissions that 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.

January 14, 1998 Taipei, Taiwan

Quick Installation Guide

I. Quick Installation Guide:

CPU SPEED SETUP

The default system bus speed is fixed to 66.6MHz. The user can change the

DIP SWITCH (SW) selection to set up the CPU speed for 200 - 366MHz

processor.

The CPU speed MUST match with the frequency RATIO. It will cause

system hanging up if the frequency RATIO is higher than that of CPU.

DIP SWITCH (SW)

1 2 3 4

FREQ.

RATIO

EXT.CLK.

MHz

INT.CLK.

MHz CPU Type

ON OFF ON ON 366 200 PentiumII 200 MHz

OFF OFF ON ON 3.5 66 233 PentiumII 233 MHz

ON ON OFF ON 466 266 PentiumII 266 MHz

OFF ON OFF ON 4.5 66 300 PentiumII 300 MHz

ON OFF OFF ON 566 333 PentiumII 333 MHz

OFF OFF OFF ON 5.5 66 366 PentiumII 366 MHz

Main Clock JP4 JP3 JP2

66 MHz 1-2 1-2 1-2

GA-686LX3

1. PentiumII 200 MHz

GA-686LX3

PIIX4

INTEL

440LX

4321

JP2

JP3

JP4

3 2 1

2. PentiumII 233 MHz

GA-686LX3

PIIX4

INTEL

440LX

4321

JP2

JP3

JP4

3 2 1

Quick Installation Guide

3. PentiumII 266 MHz

GA-686LX3

PIIX4

INTEL

440LX

4321

JP2

JP3

JP4

3 2 1

4. PentiumII 300 MHz

GA-686LX3

PIIX4

INTEL

440LX

4321

JP2

JP3

JP4

3 2 1

GA-686LX3

5. PentiumII 333 MHz

GA-686LX3

PIIX4

INTEL

440LX

4321

JP2

JP3

JP4

3 2 1

6. PentiumII 366 MHz

GA-686LX3

PIIX4

INTEL

440LX

4321

JP2

JP3

JP4

3 2 1

Quick Installation Guide

II. Jumper setting :

PWR : Power LED Connector

GA-686LX3

PIIX4

INTEL

440LX

Power LED

FUNCTION

LED (+)

LED (-)

SPK : Speaker Connector

GA-686LX3

PIIX4

INTEL

440LX

SPK

FUNCTION

VCC

Data

GA-686LX3

RST : Reset Switch

GA-686LX3

PIIX4

INTEL

440LX

RST

Open: Normal Close: Reset System

GN : Green Function Switch

GA-686LX3

PIIX4

INTEL

440LX

Open: Normal Close: Enter Green Mode

Quick Installation Guide

HD : IDE Hard Disk Active LED

GA-686LX3

PIIX4

INTEL

440LX

FUNCTION

LED (+)

LED (-)

HD LED

Soft PWR : Soft Power Connector

GA-686LX3

PIIX4

INTEL

440LX

Soft Power

GA-686LX3

POWER : Power Connector

GA-686LX3

PIIX4

INTEL

440LX

Power Good

Pin No.

3,5,7,13,

15-17

4,6,19,20

Function

GND

VCC(+5V)

+12V

-12V

-5V

5V SB

PS-ON

PS/2 Mouse / Keyboard Connector

GA-686LX3

PIIX4

INTEL

440LX

Pin Function

5Clock.

Data

VCC (+5V)

GND

6NC

PS/2 Keyboard

PS/2 Mouse

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