GIGABYTE GA-MA790GPT-UD3H - Manual (Page 33)

- 33 - Hardware Installation
19) CI (Chassis Intrusion Header)
This motherboard provides a chassis detection feature that detects if the chassis cover has been re-
moved. This function requires a chassis with chassis intrusion detection design.
18) COM (Serial Port Header)
The COM 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.
Pin No. Definition
1
NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin
Pin No. Definition
1
Signal
2 GND
10
9
2
1
1