Intel IB868 - Manual (Page 18)

INSTALLATIONS
14 IB868 User’s Manual
CN1, CN2: Serial ATA (SATA) Connectors
The SATA connectors support serial ATA 150. Each connector can only
use one serial ATA hard disk. CN2 is port 1 and CN1 is port 2.
FAN1: CPU Fan Power Connector
FAN1 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
FAN2, FAN3: System Fan Power Connector
FAN2 and FAN3 are 3-pin headers for system fans. The fan must be a
12V fan.
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
J1: ATX 12V/+12V Power Connector
Pin # Signal Name
1 Ground
2 Ground
3 +12V
4 +12V