Gigabyte 6BXC User Manual
R-20-01-090429
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 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)
For Intel Pentium II / III / Celeron Processor MAINBOARD
REV. 2.0 First Edition
6BXC
1
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.
Apr. 29, 1999 Taipei, Taiwan
Quick Installation Guide
2
I. 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 2 3 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 2 3 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
X 7
ON OFF ON OFF
X 7.5
OFF OFF ON OFF
X 8
ON ON OFF OFF
X 8.5
OFF ON OFF OFF
X 9
ON OFF OFF OFF
X 9.5
OFF OFF OFF OFF
♦Note: It’ s strongly recommended that set the system speed according to
your hardware configuration: CPU, SDRAM, Cards, etc.
6BXC
3
+ The black part in the picture is the white extruding piece of the
DIP switch.
1. Pentium II /Celeron 233 / 66 MHz FSB
CPU
Intel
440BX
PIIX4
6BXC
ON
OFF
SW2
123
4
ON
OFF
SW1
1
2
3
4
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
4
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 III 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
5
11. Pentium III 500 / 100 MHz FSB
12. Pentium III 550 / 100 MHz FSB
13. Pentium III 600 / 100 MHz FSB
14. Pentium III 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
6
II. Jumper setting :
SPK : Speaker Connector
1
CPU
Intel
440BX
PIIX4
6BXC
+
+
1
Pin Function
1 VCC
2 NC
3 NC
4 Data
RE : Reset Switch
CPU
Intel
440BX
PIIX4
6BXC
Open:
Normal operation
Short:
Reset system
6BXC
7
PW LED : Power LED Connector
CPU
Intel
440BX
PIIX4
6BXC
Pin Function
1 LED anode(+)
2
LED cathode(−)
3
LED cathode(−)
1
1
HD : IDE Hard Disk Active LED
CPU
Intel
440BX
PIIX4
6BXC
1
Pin Function
1 LED anode(+)
2
LED cathode(−)
1
Pin Function
1 LED anode(+)
2
LED cathode(−)
3
LED cathode(−)
4 LED anode(+)
Quick Installation Guide
8
IR : Infrared Connector (Optional)
CPU
Intel
440BX
PIIX4
6BXC
Pin Function
1
IR Data Output
2 GND
3 IR Data Input
4 NC
5 POWER (+)
1
GN : Green Function Switch
CPU
Intel
440BX
PIIX4
6BXC
Open:
Normal
operation
Short:
Entering
Green mode
6BXC
9
GD : Green LED
CPU
Intel
440BX
PIIX4
6BXC
1
Pin Function
1 LED anode(+)
2
LED cathode(−)
1
PW: Soft Power Connector
1
CPU
Intel
440BX
PIIX4
6BXC
Open:
Normal Operation
Short:
Power On/Off
1
Quick Installation Guide
10
POWER1 : Power Connector
CPU
Intel
440BX
PIIX4
6BXC
1
11
Pin Function
3,5,7,13,
15-17
GND
1,2,11 3.3V
4,6,19,20 VCC (+5V)
10 +12V
12
−
12V
18
−
5V
8 Power Good
9 5V SB (Stand by +5V)
14 PS-ON (Soft ON/OFF)
PS/2 Mouse / Keyboard Connector
CPU
Intel
440BX
PIIX4
6BXC
PS/2 Keyboard
PS/2 Mouse
PS/2 Mouse/Keyboard
Pin Function
1 Data
2 NC
3 GND
4 VCC (+5V)
5 Clock
6 NC
6BXC
11
CPU FAN : CPU Cooling Fan Power Connector
CPU
Intel
440BX
PIIX4
6BXC
Pin
Function
1 GND
2 +12V
3 SENSE
1
IDE1: For Primary IDE port
CPU
Intel
440BX
PIIX4
6BXC
1
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