16) coma (serial port header) – GIGABYTE LGA775 Socket Motherboard for Intel GA-73PVM-S2H User Manual
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Hardware Installation
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15) F1_1394 (IEEE 1394a Header, Gray)
The header conforms to IEEE 1394a specification. Each IEEE 1394a header can provide one IEEE
1394a port via an optional IEEE 1394a bracket. For purchasing the optional IEEE 1394a bracket,
please contact the local dealer.
Pin No.
Definition
1
TPA+
2
TPA-
3
GND
4
GND
5
TPB+
6
TPB-
7
Power (12V)
8
Power (12V)
9
No Pin
10
GND
•
Do not plug the USB bracket cable into the IEEE 1394a header.
•
Prior to installing the IEEE 1394a bracket, be sure to turn off your computer and unplug
the power cord from the power outlet to prevent damage to the IEEE 1394a bracket.
•
To connect an IEEE 1394a device, attach one end of the device cable to your computer
and then attach the other end of the cable to the IEEE 1394a device. Ensure that the cable
is securely connected.
10
9
2
1
16) 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
NDCDA-
2
NSINA
3
NSOUTA
4
NDTRA-
5
GND
6
NDSRA-
7
NRTSA-
8
NCTSA-
9
NRIA-
10
No Pin
1
9
2
10