Intel MB899 - Manual (Page 18)

INSTALLATIONS
14 MB899 User’s Manual
CN4: 10/100 RJ-45 and USB1/2 Ports
CN5: 1394 Connector
J12: SPDIF Out Connector
CN6: GbE 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.
CN9, CN10: Serial ATA Connectors
FAN1: System Fan Power Connector
FAN1 is a 3-pin header for system fans. The fan must be a 12V (500mA).
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
FAN2: CPU Fan Power Connector
FAN2 is a 3-pin header for the CPU fan. The fan must be a 12V fan.
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection