MSI IM-GS45-M - Manual (Page 32)

2-18
HARDWARE SETUP
▍
+5V
1
+12V
1
JCOMP4
1
Serial Port Power Jumper: JCOMP1~4
These jumpers are provided for users to select the operation voltage of the
onboard serial ports.
+5V
1
+12V
1
JCOMP1/ 2
1
+5V
1
+12V
1 JCOMP3
1