ATX GA–686BLX USER'S MANUAL
GA – 686BLX
USER'S MANUAL
1. System power on by PS/2 Mouse: If you are using ATX
power supply, you are able to power on the system by
double clicking your PS/2 Mouse right or left button.
2. System power on by Keyboard: If your ATX power supply
supports 1 ampere 5V Stand-By function, you can choose to
power on your system by entering the password or just
press any key with the AT keyboard.
3. Modem Ring-On on COM B.
4. Wake-up on LAN supports.(on J9
5. Support 3 or 4 steps ACPI LED.
Pentium II Processor MAINBOARD
REV. 1.0 Second Edition
)
GA-686BLX
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.
OCTOBER 17, 1997 Taipei, Taiwan
1
Quick Installation Guide
I. Quick Installation Guide :
CPU SPEED SETUP
The system's speed is fixed to 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 CPU's.
DIP SWITCH (SW)
1 2 3 4
OFF ON OFF OFF 3 66 200 Pentium
ON ON OFF OFF 3.5 66 233 Pentium
OFF OFF ON OFF 4 66 266 Pentium
ON OFF ON OFF 4.5 66 300 Pentium
OFF ON ON OFF 5 66 333 Pentium
ON ON ON OFF 5.5 66 366 Pentium
FREQ.
RATIO
EXT.CLK.
MHz
INT.CLK.
MHz
CPU Type
II 200 MHz
II 233 MHz
II 266 MHz
II 300 MHz
II 333 MHz
II 366 MHz
2
GA-686BLX
PIIX4
1
PIIX4
1
1. Pentium II 200 MHz
++ + +
4
3
2
ON OFF
SW
2. Pentium II 233 MHz
+ ++ +
4
3
2
ON OFF
SW
1
1
GA-686BLX
1
11
1
1
1
1
82443LX
1
1
1
1
1
GA-686BLX
1
11
1
1
1
1
82443LX
1
1
1
3
3. Pentium II 266 MHz
PIIX4
1
1
1
PIIX4
1
1
1
++ + +
4
3
2
ON OFF
SW
4. Pentium II 300 MHz
++ + +
Quick Installation Guide
1
GA-686BLX
1
11
1
1
1
82443LX
1
1
1
ON OFF
SW
4
3
2
1
GA-686BLX
1
11
1
1
1
82443LX
1
1
1
4
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