GIGA-BYTE TECHNOLOGY GA-H97M-D3H, User Manual, Page: 16 / 40

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10) F_USB1/F_USB2/F_USB3 (USB 2.0/1.1 Headers)
The headers conform to USB 2.0/1.1 speciication. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
Pin No.
Deinition
Pin No.
Deinition
1
Power (5V)
6 USB DY+
2
Power (5V)
7 GND
3 USB DX- 8 GND
4 USB DY- 9 No Pin
5 USB DX+ 10 NC
Pin No.
Deinition
Pin No.
Deinition
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 GND 10 No Pin
•
Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header.
•
Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power
outlet to prevent damage to the USB bracket.
11) 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.
10
10
9
9
2
2
1
1
12) LPT (Parallel Port Header)
The LPT header can provide one parallel port via an optional LPT port cable. For purchasing the optional
LPT port cable, please contact the local dealer.
Pin No.
Deinition
Pin No.
Deinition
Pin No.
Deinition
1
STB-
10
GND
19
ACK-
2
AFD-
11
PD4
20
GND
3
PD0
12
GND
21
BUSY
4
ERR-
13
PD5
22
GND
5
PD1
14
GND
23
PE
6
INIT-
15
PD6
24
No Pin
7
PD2
16
GND
25
SLCT
8
SLIN-
17
PD7
26
GND
9
PD3
18
GND
G.QBOFM
1
2
26
25