Gigabyte GA-EX58-UD3R-SLI Manual - Page 31
CI Chassis Intrusion Header, COMA Serial Port Header, White
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20) COMA (Serial Port Header, White) 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. 9 1 10 2 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCDNSIN NSOUT NDTRGND NDSRNRTSNCTSNRINo Pin 21) 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. 1 Pin No. Definition 1 Signal 2 GND - 31 - Hardware Installation
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Hardware Installation
- 31 -
21)
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
20) COMA (Serial Port Header, White)
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-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
10
9
2
1