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 / CeleronProcessor 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 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
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. PentiumII /Celeron233 / 66 MHz FSB
CPU
Intel
440BX
PIIX4
6BXC
ON
OFF
SW2
123
4
ON
OFF
SW1 1
2
3
4
2. PentiumII /Celeron266 / 66 MHz FSB
3. PentiumII /Celeron300/Celeron300A / 66 MHz FSB
4. PentiumII /Celeron333 / 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. PentiumII /Celeron366 / 66MHz FSB
6. PentiumII /Celeron400 / 66MHz FSB
7. PentiumII /Celeron433 / 66MHz FSB
8. PentiumII 350 / 100 MHz FSB
9. PentiumII 400 / 100 MHz FSB
10. PentiumIII 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. PentiumIII 500 / 100 MHz FSB
12. PentiumIII 550 / 100 MHz FSB
13. PentiumIII 600 / 100 MHz FSB
14. PentiumIII 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
1VCC
2NC
3NC
4Data
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
1LED anode(+)
2LED cathode(−)
3LED cathode(−)
1
1
HD : IDE Hard Disk Active LED
CPU
Intel
440BX
PIIX4
6BXC
1
Pin Function
1LED anode(+)
2LED cathode(−)
1
Pin Function
1LED anode(+)
2LED cathode(−)
3LED cathode(−)
4LED anode(+)
Quick Installation Guide
8
IR : Infrared Connector (Optional)
CPU
Intel
440BX
PIIX4
6BXC
Pin Function
1
IR Data Output
2GND
3IR Data Input
4NC
5POWER (+)
1
GN : Green Function Switch
CPU
Intel
440BX
PIIX4
6BXC
Open:
Normal
operation
Short:
Entering
Green mode
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