Advantech PCM-4862 Manual page 25

All-in-one 486 single board computer with svga, ethernet, and ssd
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J4 and J6 must be set to match the CPU type. The chart below
shows the proper jumper settings for their respective V
*3.3 V
J4
1-3
2-4
J6
1-2
J1, J2, and J3 are used to synchronize the CPU clock with the CPU
type. Set the CPU clock according to the base CPU speed.
25 MHz
J1
2-3
J2
2-3
J3
1-2
*3.6V Battery On
J14
Enable
J21
* default setting
*
3.45 V
3.6 V
1-3
1-3
2-4
2-4
3-4
5-6
*33 MHz
40 MHz
1-2
2-3
2-3
1-2
2-3
1-2
Clear CMOS
1-2
Disable
Chapter 2 Installation
.
CC
5 V
3-5
4-6
2-3
17

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