I 2 C Connector (Cn1); Fan Connector (Cn2) - AXIOMTEK CAPA322 User Manual

CAPA322 3.5" Board
2
2.4.1 I
This is a 4-pin (pitch=1.25mm) connector for I
SMBus.
Pin
1
2
3
4
2.4.2

Fan Connector (CN2)

Cooling fan interface is available through this connector. You can find fan speed within
BIOS Setup Utility if fan is installed. For further information, see BIOS Setup Utility:
Advanced\Hardware Monitor\PC Health Status (see section 4.4).
Pin
1
2
3
8
C Connector (CN1)
Signal
2
I C _CLK
2
I C _DATD
2
I C _ALERT_N
GND
Signal
GND
+12V level
Fan speed feedback
C interface which is compatible with
2
1 4
1
Board and Pin Assignment
1