Gigabyte GA-6BXC User Manual
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
R-20-01-090429
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.
Apr. 29, 1999 Taipei, Taiwan
1
Quick Installation Guide
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
X3.5
X4
X4.5
X5
X5.5
X6
X6.5
X 7
X 7.5
X 8
X 8.5
X 9
X 9.5
♦Note: It’ s strongly recommended that set the system speed according to
your hardware configuration: CPU, SDRAM, Cards, etc.
ON OFF ON ON
OFF OFF ON ON
ON ON OFF ON
OFF ON OFF ON
ON OFF OFF ON
OFF OFF OFF ON
ON ON ON OFF
OFF ON ON OFF
ON OFF ON OFF
OFF OFF ON OFF
ON ON OFF OFF
OFF ON OFF OFF
ON OFF OFF OFF
OFF OFF OFF OFF
2
6BXC
6BXC
SW2
3
OFF
OFF
4 3 2 1
4 3 2 1
4 3 2 1
4 3 2 1
+ The black part in the picture is the white extruding piece of the
DIP switch.
1. Pentium II /Celeron 233 / 66 MHz FSB
CPU
PIIX4
SW1
2
4
1
OFF
ON
4
Intel
440BX
123
OFF
ON
2. Pentium II /Celeron 266 / 66 MHz FSB
4 3 2 1
SW1
3. Pentium II /Celeron 300/Celeron 300A / 66 MHz FSB
SW1
4. Pentium II /Celeron 333 / 66 MHz FSB
ON
OFF
ON
SW2
SW2
4 3 2 1
ON
OFF
ON
SW1
OFF
ON
SW2
OFF
ON
3
5. Pentium II /Celeron 366 / 66MHz FSB
4 3 2 1
4 3 2 1
4 3 2 1
4 3 2 1
Quick Installation Guide
4 3 2 1
SW1
6. Pentium II /Celeron 400 / 66MHz FSB
OFF
ON
SW2
4 3 2 1
SW1
7. Pentium II /Celeron 433 / 66MHz FSB
OFF
ON
SW2
4 3 2 1
SW1
8. Pentium II 350 / 100 MHz FSB
SW1
9. Pentium II 400 / 100 MHz FSB
SW1
OFF
ON
OFF
ON
OFF
ON
SW2
SW2
SW2
4 3 2 1
4 3 2 1
4 3 2 1
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
10. Pentium III 450 / 100 MHz FSB
4 3 2 1
OFF
SW1
ON
SW2
4 3 2 1
OFF
ON
4
6BXC
4 3 2 1
4 3 2 1
11. Pentium III 500 / 100 MHz FSB
4 3 2 1
OFF
SW1
12. Pentium III 550 / 100 MHz FSB
ON
SW2
4 3 2 1
OFF
SW1
13. Pentium III 600 / 100 MHz FSB
ON
SW2
4 3 2 1
SW1
14. Pentium III 650 / 100 MHz FSB
OFF
ON
SW2
4 3 2 1
SW1
OFF
ON
SW2
4 3 2 1
OFF
ON
4 3 2 1
OFF
ON
OFF
ON
OFF
ON
5
II. Jumper setting :
6BXC
6BXC
SPK : Speaker Connector
PIIX4
1
+
RE : Reset Switch
Quick Installation Guide
1
CPU
+
Pin Function
Intel
440BX
1 VCC
2 NC
3 NC
4 Data
PIIX4
CPU
Open:
Normal operation
Intel
440BX
Short:
Reset system
6
6BXC
6BXC
6BXC
PW LED : Power LED Connector
CPU
1
PIIX4
1
HD : IDE Hard Disk Active LED
PIIX4
Pin Function
Intel
440BX
1 LED anode(+)
2
3
LED cathode(−)
LED cathode(−)
1
CPU
Pin Function
Intel
1 LED anode(+)
440BX
2
LED cathode(−)
1
Pin Function
1 LED anode(+)
2
LED cathode(−)
3
LED cathode(−)
4 LED anode(+)
7
IR : Infrared Connector (Optional)
6BXC
IR Data Output
6BXC
PIIX4
GN : Green Function Switch
Quick Installation Guide
CPU
1
Intel
Pin Function
440BX
1
2 GND
3 IR Data Input
4 NC
5 POWER (+)
PIIX4
CPU
Open:
Normal
Intel
operation
440BX
Short:
Entering
Green mode
8
6BXC
6BXC
6BXC
GD : Green LED
PIIX4
PW: Soft Power Connector
CPU
1
Intel
440BX
Pin Function
1 LED anode(+)
2
LED cathode(−)
1
CPU
1
PIIX4
Open:
Intel
440BX
Normal Operation
Short:
Power On/Off
1
9
POWER1 : Power Connector
6BXC
6BXC
1
Quick Installation Guide
11
Pin Function
3,5,7,13,
15-17
GND
1,2,11 3.3V
4,6,19,20 VCC (+5V)
10 +12V
12
18
PIIX4
−
−
12V
5V
8 Power Good
9 5V SB (Stand by +5V)
14 PS-ON (Soft ON/OFF)
PS/2 Mouse / Keyboard Connector
PS/2 Mouse
PS/2 Mouse/Keyboard
Pin Function
1 Data
2 NC
3 GND
PIIX4
4 VCC (+5V)
5 Clock
6 NC
CPU
Intel
440BX
CPU
Intel
440BX
PS/2 Keyboard
10
6BXC
6BXC
Function
6BXC
CPU FAN : CPU Cooling Fan Power Connector
1
Pin
1 GND
2 +12V
3 SENSE
PIIX4
IDE1: For Primary IDE port
PIIX4
CPU
Intel
440BX
CPU
Intel
440BX
1
11
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