Gigabyte MBBZ1AI Manual - Page 19
/11/12 COM3/COM4/COM2/COM1 Serial Port Headers
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9/10/11/12) COM3/COM4/COM2/COM1 (Serial Port Headers) The COM headers can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. 21 COM3 10 9 COM4 COM2 COM1 COM1 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCDANDSRANSINA NRTSANSOUTA NCTSANDTDANRIAGND No Pin COM3 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCDCNDSRCNSINC NRTSCNSOUTC NCTSCNDTDCNRICGND No Pin - 19 - COM2 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCDBNDSRBNSINB NRTSBNSOUTB NCTSBNDTDBNRIBGND No Pin COM4 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCDDNDSRDNSIND NRTSDNSOUTD NCTSDNDTDDNRIDGND No Pin Hardware Installation
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- 19 -
Hardware Installation
9/10/11/12) COM3/COM4/COM2/COM1 (Serial Port Headers)
The COM headers can provide one serial port via an optional COM port cable. For purchasing the op-
tional COM port cable, please contact the local dealer.
COM3
Pin No.
Definition
1
NDCDA-
2
NDSRA-
3
NSINA
4
NRTSA-
5
NSOUTA
6
NCTSA-
7
NDTDA-
8
NRIA-
9
GND
10
No Pin
COM1
Pin No.
Definition
1
NDCDC-
2
NDSRC-
3
NSINC
4
NRTSC-
5
NSOUTC
6
NCTSC-
7
NDTDC-
8
NRIC-
9
GND
10
No Pin
COM3
Pin No.
Definition
1
NDCDB-
2
NDSRB-
3
NSINB
4
NRTSB-
5
NSOUTB
6
NCTSB-
7
NDTDB-
8
NRIB-
9
GND
10
No Pin
COM2
Pin No.
Definition
1
NDCDD-
2
NDSRD-
3
NSIND
4
NRTSD-
5
NSOUTD
6
NCTSD-
7
NDTDD-
8
NRID-
9
GND
10
No Pin
COM4
COM4
COM2
COM1
1
9
2
10