Gigabyte GA-P55A-UD7 User Manual page 36

20) COMA (Serial Port Header)
The COMA header can provide one serial port via an optional COM port cable. For purchasing the op-
tional COM port cable, please contact the local dealer.
Hardware Installation
9
10
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Pin No. Definition
1
1 NDCD-
2
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin