IBASE Technology MB880, User Manual, Page: 23 / 67

INSTALLATIONS
MB880 User’s Manual 19
J4: USB Connector
The following table shows the pin outs of the USB pin header.
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB0- 2 6 USB1+
USB0+ 3 7 USB1-
J4 Ground 4 8 Vcc
J5: CD-In Audio Connector
Pin # Signal Name
1 CD Audio R
2 Ground
3 Ground
4 CD Audio L
J7, J6: COM3 and COM4 Serial Ports Connector
J7 and J6 are COM3 and COM4 serial ports supporting RS232.
Pin # Signal Name
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
10 NC
J10: Wake On LAN Connector
J10 is a 3-pin header for the Wake On LAN function on the
motherboard. The following table shows the pin out assignments of this
connector. Wake On LAN will function properly only with an ATX
power supply with 5VSB that has 1A.
Pin # Signal Name
1 +5VSB
2 Ground
3 LAN Wakeup