MATSONIC MS7188D Series, User Manual

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2: Mainboard Installation
3
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