Gigabyte 686LX4 User Manual
R-01-01-080119
686LX4
USER'S MANUAL
1. System power on by PS/2 Mouse: 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 1 ampere 5V Stand-By function, you can power on
your system by entering password from keyboard.
3. Supports 3 steps ACPI LED selectable.
4. Modem Ring-On. (COM B)
5. Wake-Up on LAN. (on J13)
Pentium II Processor MAINBOARD
REV. 1.0 First Edition
686LX4
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.
Quick Installation Guide
2
January 19, 1998 Taipei, Taiwan
I. Quick Installation Guide :
CPU SPEED SETUP
The default system bus speed is 66.6MHz. The user can change the DIP
SWITCH (SW) selection to set up the CPU speed for 200 - 633MHz
processor.
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.
DIP SWITCH (SW)
1 2 3 4
FREQ.
RATIO
EXT.CLK.
MHz
INT.CLK.
MHz
CPU Type
OFF ON OFF OFF 3 66 200 Pentium
II 200 MHz
ON ON OFF OFF 3.5 66 233 Pentium
II 233 MHz
OFF OFF ON OFF 4 66 266 Pentium
II 266 MHz
ON OFF ON OFF 4.5 66 300 Pentium
II 300 MHz
OFF ON ON OFF 5 66 333 Pentium
II 333 MHz
ON ON ON OFF 5.5 66 366 Pentium
II 366 MHz
Main Clock JP4 JP3 JP2
66 MHz 1-2 1-2 1-2
686LX4
3
1. Pentium II 200 MHz
PIIX4
INTEL
440LX
JP2
JP3
JP4
3 2 1
ON
4 3 2 1
2. Pentium II 233 MHz
PIIX4
INTEL
440LX
JP2
JP3
JP4
3 2 1
ON
4 3 2 1
Quick Installation Guide
4
3. Pentium II 266 MHz
PIIX4
INTEL
440LX
JP2
JP3
JP4
3 2 1
ON
4 3 2 1
4. Pentium II 300 MHz
PIIX4
INTEL
440LX
JP2
JP3
JP4
3 2 1
ON
4 3 2 1
5. Pentium II 333 MHz
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