MSI IM-945GC User Manual page 32

M S-9832 M ainboard
Serial Port Jumper: JCOMP1 ~ JCOMP7
These jumpers specify the operation voltage & function of the onboard serial ports.
JCOMP1
(for COM1),
JCOM P5
(for CONN1)
1
JCOMP2
(for COM2),
JCOM P7
(for CONN2
top port),
JCOM P6
(for CONN2
bottom port)
JCOMP3
(for COM3)
JCOMP4
(for CONN1)
2-14
1
+5V
1
+5V
1
+5V
1
POWER
1
1
+12V
1
+12V
1 1
+12V
1 1
RING