SPK Header
Serial Port Header - COM
COM
1
2
9
10
USB Headers
This motherboard contains six USB 2.0
ports that are exposed on the rear panel
of the chassis(Figure 2). The motherboard
also contains two 10-pin internal header
connectors onboard.
1. Secure the bracket to either the front or
rear panel of your chassis (not all chassis
are equipped with the front panel option).
1 9
102
FP_U2
FP_U1
1
SPK
1 9
102
COM-Pin Definition
PIN Assignment PIN Assignment
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 GND 10 NC
USB-Pin Definition
PIN Assignment PIN Assignment
1 VCC 6 USBP1+
2 VCC 7 GND
3 USBP0- 8 GND
4 USBP1- 9 KEY
5 USBP0+ 10 OC#
SPK-Pin Definition
PIN Assignment
1 VCC
2 NC
3 NC
4 SPK-