Fan Connectors; Power Supply Fan Connector - Fujitsu D3231-S Technotes

Interfaces & Connectors

3.16 Fan Connectors

Pin Signal
1 GND
2 12V
3 FAN Sense
4 FAN PWM
Fan speed control is supported for 4 pin (PWM) fans.
Fan3 can be changed from 4-pin mode to 3-pin controlled mode via BIOS Setup.
3-pin fans (voltage controlled) connected to Fan1/Fan2/Fan4 connector will always operate at full speed resp. 12V supply voltage!
Fan current: max. 2A continuous / 4A peak (D323x-S)
max. 1.5A continuous / 3A peak (D3243-S)

3.17 Power Supply Fan Connector

Pin Signal
1 Not connected
2 PS Fan PWM
3 Not connected
4 PS FAN Sense
Not connected
5
Not connected
6
Not connected
7
8 GND
Note: This feature is not supported by standard ATX power supplies!
The power supply fan connector is shared with FAN4 connector on D3231-S/D3236-S (BIOS Setup option), they must not be used simultaneously!
a
g
e
Pin 1
Pin 1
TechNotes D323x-S_D3243-S V1.2
mainboards
Note:
Fans must never be attached or
removed while the system is
powered. Mainboard may be
damaged!
Page 33 of 98 http://www.fujitsu.com/fts/products/computing/pc/accessories/mainboards