Gigabyte GA-F2A68HM-D3H User Manual page 17

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F_USB30
9) F_USB30_1/F_USB30_2 (USB 3.0/2.0 Headers)
The headers conform to USB 3.0/2.0 specification and each header can provide two USB ports. For
purchasing the optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer.
20
11
10) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
9
10
• 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
S
11) COMA/COMB (Serial Port Headers)
S
_
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.
9
10
S
_
F_ U
Pin No. Definition
1
1
VBUS
2
SSRX1-
3
SSRX1+
B_
4
GND
5
SSTX1-
6
SSTX1+
10
7
GND
8
D1-
9
D1+
10
NC
S
Pin No. Definition
1
Power (5V)
1
2
Power (5V)
2
3
USB DX-
4
USB DY-
5
USB DX+
outlet to prevent damage to the USB bracket.
B S S
3
S F
Pin No. Definition
NDCD-
1
1
NSIN
2
2
NSOUT
3
B_
NDTR-
4
GND
5
Pin No. Definition
11
D2+
12
D2-
13
GND
B S S
14
SSTX2+
15
SSTX2-
1
16
GND
17
SSRX2+
18
SSRX2-
19
VBUS
20
No Pin
S
1 2 3
Pin No. Definition
6
USB DY+
7
GND
8
GND
9
No Pin
10
NC
U
S
_
Pin No. Definition
NDSR-
6
NRTS-
7
NCTS-
8
_
NRI-
9
No Pin
10
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F_
_S
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3
_
_B
F_U

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