Intel GA-EQ45M-S2 16/17) COMA/COMB (Serial Port Header, White), 15) F_USB1/F_USB2/F_USB3 (USB Headers, Yellow)

Hardware Installation- 31 -
16/17) COMA/COMB (Serial Port Header, White)
The COMA/COMB 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
1 NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin
15) F_USB1/F_USB2/F_USB3 (USB Headers, Yellow)
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)
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.
9
1
10
2
10
9
2
1
COMA
10 9
21
COMB