IMB205 LGA1156 ATX Motherboard User’s Manual
Jumpers and Connectors
9
2.3.2 COM1~COM4 Mode Select Jumpers (JP1, JP2, JP5, JP6)
These jumpers select the COM1~COM4 ports
’
pin-1 to
operate DCD with +5V and +12V power, and pin-8 or pin-9
to operate RI with +5V and +12V.
Description
Function
Jumper Setting
Pin 1=12V
JP5
Pin 1=5V
JP5
*Pin 1=DCD
(Default)
JP5
Pin 9=12V
JP5
Pin 9=5V
JP5
COM1 (CN3A)
*Pin 9=RI
(Default)
JP5