Gigabyte GA-G33-DS3R - Page 30

GA-G33-DS3R Motherboard - 30 -
English
18) CI (Chassis Intrusion Header)
This motherboard provides a chassis detection feature that detects if the chassis cover has been
removed. This function requires a chassis with chassis intrusion detection design.
Pin No. Definition
1 Signal
2 GND
1
10
9
2
1
17) COMA (Serial Port Header)
The COMA header can provide one serial port via an optional COM port cable. For purchasing the
optional COM port cable, please contact the local dealer.
Pin No. Definition
1 NDCD A-
2 NSIN A
3 NSOUT A
4 NDTR A-
5 GND
6 NDSR A-
7 NRTS A-
8 NCTS A-
9 NRI A-
10 No Pin