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CN4: 10/100 LAN RJ-45 and USB1/2 Ports
CN5: 1394 Connector
CN6: SPDIF Out Connector
CN7: Gigabit LAN RJ-45 and USB3/4 Ports
CN8: Audio Connector
The audio connector, from top to bottom, is composed of Line in, Line
out and Microphone jacks.
FAN1: CPU Fan Power Connector
FAN1 is a 3-pin header for the CPU fan with 12V (500mA).
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
FAN2: System Fan Power Connector
FAN2 is a 3-pin header for system fans. The fan must be 12V
(500mA).
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
MB879 User’s Manual 15