DFI G5C100-N User Manual page 32

2
Hardware Installation
COM 2 RS232/AUX Select
COM 2 is an RS-232 port. If the serial device connected to this
port requires 5V/12V power from the system board, set JP10 pins
3-5 and 4-6 to On. Otherwise, leave this jumper's setting at 1-3, 2-4
On.
The table below list the pin assignment of JP10.
32
1 MRI2-
3 X_MRI2-
5 Vcc
2 4 6
JP10
1 3 5
1-3, 2-4 On:
RS232
(default)
2 MDCD2-
4 X_MDCD2-
6 +12V
2 4 6
1 3 5
3-5 (5V),
4-6 (12V) On:
Auxiliary power