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NA280 Motherboard
23
CPU Frequency Select
This jumper allows you to set the CPU frequency.
Reference: JP3 (3-pin)
JP3
Jumper setting
Description
1-2
Auto
2-3
133 MHz
CPU Frequency Select
This jumper allows you to set the CPU voltage.
Reference: JP4 (3 x 3-pin)
P4
1-2, 4-5, 7-8: Default setting
JP4
Jumper setting
Description
1-2
4-5
7-8
1
2
3
4
5
6
7
8
9
VID0
VID1
VID2
Default
The CPU voltage is defined according to the table on the next page. VID4
and VID3 are set by the CPU and cannot be changed by the user. VID0,
VID1, and VID2 can be changed manually by setting Jumper 4 to adjust the
CPU voltage.
For example, VID0 - VID2 will be equal to "0" by shorting pin numbers 2-3,
5-6, 8-9 or "1" by opening pin numbers 2-3, 5-6, 8-9.