6
JP3 (4-pin): COM3 Port Pin9 Function Select
(2.54 pitch)
4-6 Closed:
RI=12V
3-4 Closed:
RI=5V
2-4 Closed:
RI=RS232
1
3
5
4
6
2
6
4
2
5
3
1
6
4
2
5
3
1
JP4 (3-pin): Mini PCI-E Slot VCC 3.3V/3.3 VSB Select
(2.54 pitch)
3
1
1
3
1-2 Closed: MINI PC-E VCC=3.3V
2-3 Closed: MINI PC-E VCC=3.3VSB
JP6 (4-pin): COM2 Header Pin9 Function Select
(2.54 pitch)
3
6
4
5
2
1
2-4 Closed:
RI=RS232
3-4 Closed:
RI=5V
4-6 Closed:
RI=12V.
6
4
2
5
3
1
6
4
2
5
3
1
JP3
JP4
JP6
