User Guide

Hardware Installation
2-22
2.3.14 Mono In/Mic Out Connector
This connector is used to connect Mono In/Mic Out
connector of an internal modem card. The pin 1-2 is
Mono In, and the pin 3-4 is Mic Out. Please note
that there is no standard for this kind of connector
yet, only some internal modem cards implement this
connector.
Please see the pin definitions to connect the cable.
Pin
1
2
3
4
Description
Mono In
GND
GND
Mic Out
1
2
3
4
Mono In/Mic Out
2.3.15 Wake on Modem Connector
This mainboard implements special circuit to support
Wake on Modem, both Internal Modem Card (AOpen
MP56) and external box Modem are supported. Since
Internal Modem card consumes no power when system
power is off, it is recommended to use Internal Modem.
To use AOpen MP56, connect 4-pin cable from RING
connector of MP56 to WOM connector on the
mainboard.
Pin
1
2
3
4
Description
+5V SB
NC
RING
GND
1
2
3
4
WOM