19) 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.
Pin No.
Definition
Pin No.
Definition
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
•
Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 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.
9
1
10
2
18) SPKR (Speaker Header)
This speaker header is connected to a L/R audio pins from the board to support the 3W (4ohm) stereo
speaker on your AIO chassis.
Pin No.
Definition
1
Speaker OUT R-
2
Speaker OUT R+
3
Speaker OUT L-
4
Speaker OUT L+
1
4
20) COMC/COMD/COME/COMF (Serial Port Headers)
Each 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
Pin No.
Definition
1
NDCD-
6
NDCD-
2
NDSR-
7
NDSR-
3
NSIN
8
NSIN
4
NRTS-
9
NRTS-
5
NSOUT
10
NSOUT
9
10
1
2
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