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JP1 (3-pin): Power Switch Select
* AT Mode Selected: Directly power on as power input ready.
ATX Mode Selected: Press power button to power on after power input ready;
JP3 (4-pin): COM1 Header Pin-9 Function Select
JP3
JP1
→
JP1
Power Switch Select
1-2 Closed: VR_ON (AT Mode);
2-3 Closed:Normal (ATX Mode).
→
JP3
COM1 Pin-9
2
4
6
1
3
5
2-4 Closed:
3-4 Closed:
RI=RS232;
9
1
3
1
3
2 4 6
2 4 6
1 3 5
1 3 5
4-6 Closed:
RI=5V;
RI=12V.
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