IBASE MB838 - Manual (Page 19)

INSTALLATIONS
19
J28: Power Connector, Pitch 2.0mm
Pin # Signal Name
1 +5V
2 Ground
3 Ground
4 +12V
CN1: 22-pin right angle SATA connector
CN2, CN3: RJ-45 LAN port 3 and 4
CN4: USB 2.0 connectors
CN5: COM1 (Console Port)
CN6, CN7: RJ-45 LAN port 1 and 2
FAN1, FAN2, FAN3: System Fan Connectors
FAN1, FAN2, FAN3 is a 4-pin header for system fans.
The fan must be 12V (Max. 1A).
Pin # Signal Name
1 Ground
2 +12V
3 Rotation detection
4 Rotation control
LED1: LAN port 1 LED
LED2: LAN port 2 LED
LED3: LAN port 3 LED
LED4: LAN port 4 LED