User`s manual

INSTALLATIONS
MB700 User’s Manual 27
J30: System Fan Power Connector
J30 is a 3-pin header for the system fan. The fan must be a 12V fan.
Pin # Signal Name
1 Rotation
2 +12V
3 Ground
J32: IrDA Connector
This connector is used for an IrDA connector for wireless
communication.
Pin # Signal Name
1 +5V
2 No Connect
3 Ir RX
4 Ground
+5V IRRX IRTX
N.C. GND
5 Ir TX
J33: System Function Connector
J33 provides connectors for system indicators that provides light
indication of the computer activities and switches to change the computer
status. J1 is a 20-pin header that provides interfaces for the following
functions.
Hard Disk Drive LED
Reset Switch
Turbo LED Connector
ATX Power On Switch
SMI / Hardware Switch
Power LED and Keylock
Speaker