Gigabyte GA-B85-HD3-A User Manual page 17

Table of Contents

Advertisement

14) 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
1
10
2
• 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.
15) COMA (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.
9
1
10
2
16) 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
26
Pin No. Definition
1
Power (5V)
2
Power (5V)
3
USB DX-
4
USB DY-
5
USB DX+
Pin No. Definition
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
Pin No. Definition
1
STB-
2
AFD-
1
3
PD0
4
ERR-
5
PD1
2
6
INIT-
7
PD2
8
SLIN-
9
PD3
- 17 -
Pin No. Definition
6
USB DY+
7
GND
8
GND
9
No Pin
10
NC
Pin No. Definition
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
Pin No. Definition
Pin No. Definition
10
19
GND
11
20
PD4
12
21
GND
13
22
PD5
14
23
GND
15
24
PD6
16
25
GND
17
26
PD7
18
GND
ACK-
GND
BUSY
GND
PE
No Pin
SLCT
GND

Advertisement

Table of Contents
loading

Table of Contents