Gigabyte 6BXC User manual

R-19-01-081126

6BXC

USER'S MANUAL

1. System power on by PS/2 Mouse: First, enable this function

in CMOS Setup, then 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 larger than 100~300 mA 5V Stand-By current

(dependent on the specification of keyboards), you can

power on your system by entering password from the

keyboard after setting the “Keyboard power on”password in

CMOS Setup.

3. Supports 3 steps ACPI LED.

4. Modem Ring-On. (COM A , B).

5. Wake-Up on LAN. (on JP7) (The ATX power supply supports

larger than 720 mA 5V Stand-By current)

System/Power Fan, Clear CMOS, Internal Ring Pwr on and

Power connector function only for PCB Rev:1.9 use, please

reference page 10, 16~18.

For Intel Pentium



II / CeleronTM Processor MAINBOARD

REV. 1.9 First Edition

6BXC

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.

Sound Blaster is a registered trademark of Creative Technology Ltd in the

United States and certain other countries. Sound Blaster-LINK and SB-LINK are

trademarks of Creative Technology Ltd.

November 26, 1998 Taipei, Taiwan

I. Quick Installation Guide :

Quick Installation Guide

CPU SPEED SETUP

The system bus speed is selectable between 66 / 100 MHz. The user can select

the system bus speed (SW1) and change the DIP SWITCH (SW2) selection to

set up the CPU speed for 233 - 633MHz processor.

Set System Bus Speed

SW1:

CPU AGP 1 23 4

100 MHz

66 MHz OFF OFF OFF OFF

133 MHz

89 MHz OFF OFF ON OFF

112 MHz

75 MHz OFF ON OFF OFF

66 MHz 66 MHz ON OFF OFF ON

75 MHz 75 MHz ON ON OFF ON

83 MHz 83 MHz ON OFF ON ON

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.

SW2:

CLK RATIO 1 23 4

X3 ON OFF ON ON

X3.5 OFF OFF ON ON

X4 ON ON OFF ON

X4.5 OFF ON OFF ON

X5 ON OFF OFF ON

X5.5 OFF OFF OFF ON

X6 ON ON ON OFF

X6.5 OFF ON ON OFF

Note: We don’t recommend you to setup your system speed to 75, 83,

112 or 133MHz because these frequencies are not the standard

specifications for CPU, Chipset and most of the peripherals.

Whether your system can run under 75, 83, 112 or 133MHz

properly will depend on your hardware configurations: CPU,

SDRAM, Cards, etc.

6BXC

1. PentiumII /Celeron 233 / 66 MHz FSB

CPU

Intel

440BX

PIIX4

6BXC

OFF

SW 2

1234

OFF

SW 1

1234

2. PentiumII /Celeron 266 / 66 MHz FSB

3. PentiumII /Celeron 300/Celeron 300A / 66 MHz FSB

4. PentiumII /Celeron 333 / 66 MHz FSB

SW2 ON

4 3 2 1 OFF

SW1 ON

4 3 2 1 OFF

SW2 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1

OFF

SW2 ON

4 3 2 1 OFF

SW1 ON

4 3 2 1 OFF

Quick Installation Guide

5. PentiumII /Celeron 366 / 66MHz FSB

6. PentiumII /Celeron 400 / 66MHz FSB

7. PentiumII /Celeron 433 / 66MHz FSB

8. PentiumII 350 / 100 MHz FSB

9. PentiumII 400 / 100 MHz FSB

10. PentiumII 450 / 100 MHz FSB

SW2 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1

OFF

SW2 ON

4 3 2 1 OFF

SW1 ON

4 3 2 1 OFF

SW2 ON

4 3 2 1 OFF

SW1 ON

4 3 2 1 OFF

SW2 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1

OFF

SW2 ON

4 3 2 1

OFF

SW2 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1 OFF

SW1 ON

4 3 2 1

OFF

6BXC

11. PentiumII 500 / 100 MHz FSB

12. PentiumII 550 / 100 MHz FSB

13. PentiumII 600 / 100 MHz FSB

14. PentiumII 650 / 100 MHz FSB

SW2 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1

OFF

SW2 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1

OFF

SW2 ON

4 3 2 1 OFF

SW2 ON

4 3 2 1 OFF

SW1 ON

4 3 2 1

OFF

SW1 ON

4 3 2 1 OFF

Quick Installation Guide

II. Jumper setting :

SPK : Speaker Connector

CPU

Intel

440BX

PIIX4

6BXC

Pin No. Function

VCC

3NC

4Data

RST : Reset Switch

CPU

Intel

440BX

PIIX4

6BXC

Open:

Normal

operation

Short:

For Hardware

Reset System

6BXC

PW LED : Power LED Connector

CPU

Intel

440BX

PIIX4

6BXC

No.

Function

LED

anode (+)

LED

cathode (-)

3LED

cathode (-)

HD : IDE Hard Disk Active LED

CPU

Intel

440BX

PIIX4

6BXC

No.

Function

LED

anode (+)

LED

cathode (-)

LED

cathode (-)

4LED

anode (+)

No.

Function

LED

anode (+)

LED

cathode (-)

Quick Installation Guide

IR : Infrared Connector (Optional)

CPU

Intel

440BX

PIIX4

6BXC

No.

IR Data

Output

GND

IR Data

Input

POWER (+)

Function

GN : Green Function Switch

CPU

Intel

440BX

PIIX4

6BXC

Open:

Normal

operation

Short:

Entering

Green Mode.

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