Gigabyte GA-P55-USB3 Manual - Page 29

F_USB1/F_USB2 USB Headers, LPT Parallel Port Header

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Page 29 highlights

16) F_USB1/F_USB2 (USB 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. Pin No. Definition 1 Power (5V) 9 1 2 Power (5V) 10 2 3 USB DX- 4 USB DY- 5 USB DX+ 6 USB DY+ 7 GND 8 GND 9 No Pin 10 NC • 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. 17) 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. 25 1 26 2 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 Definition STBAFDPD0 ERRPD1 INITPD2 SLINPD3 GND PD4 GND PD5 Pin No. 14 15 16 17 18 19 20 21 22 23 24 25 26 Definition GND PD6 GND PD7 GND ACKGND BUSY GND PE No Pin SLCT GND - 29 - Hardware Installation

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- 29 -
Hardware Installation
16) F_USB1/F_USB2 (USB 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.
10
9
2
1
Pin No.
Definition
1
Power (5V)
2
Power (5V)
3
USB DX-
4
USB DY-
5
USB DX+
6
USB DY+
7
GND
8
GND
9
No Pin
10
NC
•
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.
17) 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.
26
25
2
1
Pin No.
Definition
14
GND
15
PD6
16
GND
17
PD7
18
GND
19
ACK-
20
GND
21
BUSY
22
GND
23
PE
24
No Pin
25
SLCT
26
GND
Pin No.
Definition
1
STB-
2
AFD-
3
PD0
4
ERR-
5
PD1
6
INIT-
7
PD2
8
SLIN-
9
PD3
10
GND
11
PD4
12
GND
13
PD5