Gigabyte 6BXS User manual

R-01-03-080604
6BXS
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 720 mA 5V Stand-By current, you can
power on your system by entering password from the
Keyboard after setting the “Keyboard power on”jumper (JP1)
and password in CMOS Setup.
3. Modem Ring-On on COM B.
4. Wake-up on LAN supports(on JP7): Your ATX power supply
must support larger than 600 mA 5V Stand-By current.
5. Support 3 steps ACPI LED.
6. Support LDCM

Pentium

II Processor MAINBOARD
REV. 1.0 Third Edition

6BXS
1
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.
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.
May 7, 1998 Taipei, Taiwan

Quick Installation Guide
2
I. Quick Installation Guide :
CPU SPEED SETUP
The system bus speed can be selectable between 66.6MHz and 100MHz. The
user can select the system bus speed (JP5) and change the DIP SWITCH
(SW) selection to set up the CPU speed for 200 - 633MHz processor.
M 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 (SW)
FREQ. RATIO 1234
X 3 ON OFF ON ON
X 3.5 OFF OFF ON ON
X 4 ON ON OFF ON
X 4.5 OFF ON OFF ON
X 5 ON OFF OFF ON
X 5.5 OFF OFF OFF ON
MJP5 (Select the system speed between 66.6MHz and 100MHz)
1-2 Close Set system speed to 66MHz
− system always
run at 66MHz FSB (Front Side Bus).
2-3 Close Set system speed to Auto
− auto detect
system speed (66/ 100MHz FSB)
1-2-3 Open Set system speed to 100MHz
− system always
run at 100MHz FSB (Front Side Bus).
1 2
1 2
1 2

6BXS
3
MThere are two ways to set system speed
A. 66MHz forced (JP5 1-2 short) or Auto detect (2-3 short)
B. 100MHz forced (JP5 1-2-3 open) or Auto detect (2-3 short)
1. PentiumII 300 / 100MHz FSB
6BXS 1
1
1
1
1
1
1
BIOS
1
INTEL
443BX
PIIX4
adaptec
AIC-7880P
ON
1 2 3 4
JP5
1 2 3
JP5
1 2 3
2. PentiumII 350 / 100 MHz FSB
3. PentiumII 400 / 100 MHz FSB
SW
ON
1 2
SW
ON
1 2
JP5
12
JP5
12
JP5
12
JP5
12

Quick Installation Guide
4
4. PentiumII 450 / 100 MHz FSB
5. PentiumII 233 / 66 MHz FSB
6. PentiumII 266 / 66 MHz FSB
7. PentiumII 300 / 66 MHz FSB
SW
ON
1 2
SW
ON
1 2
SW
ON
1 2
SW
ON
1 2
JP5
12
JP5
12
JP5
12
JP5
12
JP5
12
JP5
12
JP5
12
JP5
12

6BXS
5
II. Jumper setting :
SPK : Speaker Connector
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
1
Pin No. Function
1
2
VCC
NC
3NC
4
Data
RST : Reset Switch
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
Open :
Normal operation.
For Hardware
Reset System
Close :

Quick Installation Guide
6
PWR : Power LED Connector
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
1
Pin No. Function
1
2
3
LED (+)
NC
LED (-)
HD : IDE Hard Disk Active LED
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
1
Pin No. Function
1
2
LED (+)
LED (-)

6BXS
7
IR : Infrared Connector (Optional)
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
Pin No.
Function
1
2
IR Data Output
IR Data Input
3
GND
4
5
Signal
POWER (+)
1
GN : Green Function Switch
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
Open :
Normal operation.
Close :
Entering Green Mode

Quick Installation Guide
8
SOFT PWR : Soft Power Connector
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4
1
Pin No. Function
1
2GND Ctrl-signal
ATX POWER : ATX Power Connector
Pin No. Function
3,5,7,13,15-17
4,6,19,2
0
GND
10
12
18
8
+12V
-12V
-5V
VCC (+5V)
Power Good
9
14
5V SB
(Stand by +5V)
PS-ON
(Soft ON/OFF)
1
11
6BXS 1
1
1
1
1
1
1
BIOS
1
1
INTEL
443BX
adaptec
AIC-7880P
PIIX4