Gigabyte GA-MA790GP-UD3H Manuel d'utilisateur télécharger pdf (Page 32)

GA-MA790GP-UD3H Motherboard - 32 -

17) F_1394_1/F_1394_2 (IEEE 1394a Header, Gray)

The headers conform 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

1TPA+

2TPA-

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.

18) COM (Serial Port Header)

The COM 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

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Gigabyte GA-MA790GP-UD3H Manuel d'utilisateur Page 32