User`s manual

2: Mainboard Installation

Jumper JP3: CPU Frequency Selectors

This jumper consists of two sets of 3-pin jumpers JP3-A and JP3-B.

This jumper is to select the frequency of the installed CPU.

Frequency 66 MHz 100 MHz 105 MHz 133 MHz

JP3-A

2-3 2-3 1-2 1-2

JP3-B

2-3 1-2 2-3 1-2

Jumper JP5: CPU Multiplier Selectors

This jumper consists of four sets of 2-pin jumpers JP5-D, JP5-C,

JP5-B and JP5-A. This jumper is to select the multiplier of the

installed CPU.

CPU Multiplier Selector: JP5

Multiplier 2.0 2.5 3.0 3.5 4.0 4.5 5.0

JP5-D

short short short short short Short short

JP5-C

short open short open short Open short

JP5-B

short short open open short Short open

JP5-A

short short short short open Open open

CPU Multiplier Selector: JP5

Multiplier 5.5 6.0 6.5 7.0 7.5 8.0 8.5+

JP5-D

short open open open open Open open

JP5-C

open short open short open Short open

JP5-B

open short short open open Short open

JP5-A

open short short short short Open open

Note: The CPU speed is equal to the CPU Frequency x the

CPU Multiplier.

Jumper JP95: BIOS Protect

This jumper is to make the BIOS read-only.

Function Jumper Setting

Enable(read-only) Short Pins 1-2

Disable Short Pins 2-3