Sentry 3 fan hookup

[Nissan_CPU]

I got a sentry 3 fan controller but I am unable to hook all my fans up since the fans in the case do not have have a 3 or 4 pin fan connection they have the molex connector. I am only able to hook up my main fan for the processor at this point. Is there a adapter I can get to use on the molex end and then have a 4 pin fan connector on the other. The wires in the connector for the fan that is hooked into the controller now are blk yellow green blue

 

[Paperdoc]

Ideally you'd buy for each fan an adapter cable that converts its male 4-pin Molex connector into a female 3-pin fan connector. However, I could not find such a device.

Alternatively, if you can get a few 3-pin female fan connectors, you could cut the Molex's off the fan wires and solder the fan connector on. The Black wire of the fan (from Pin #2 of its connector) goes to Pin #1 of the 3-pin fan connector; the fan's red wire goes to fan connector Pin #2.

Other option: buy some new standard 3-pin fans.

I'm pretty sure that the Sentry 3 controller's outputs are Voltage Control mode. That is, they work just fine with 3-pin fans, and you need not buy 4-pin ones if they are more expensive. But a 4-pin fan (PWM mode) will work with that controller.

 

[danny2000]

By the way, your CPU 's fan should not be connected to your Sentry fan controller; The CPU fan should be connected directly to your motherboard to one that is labeled "Sysfan1".

 

[Paperdoc]

CORRECTION!

danny200 is quite correct to say that you REALLY should connect your CPU cooling fan to the mobo and let it do its (default) automatic control. BUT the port on the mobo you connect to is the CPU_FAN port, NOT the SYS_FAN port. (SYS_FAN or CHA_FAN ports are for case ventilation fans.) Of course, to do this you will need a "standard" 4-pin fan type for the CPU. But your original question was about case ventilation, not CPU cooling.

 

[danny2000]

CORRECTION!

danny200 is quite correct to say that you REALLY should connect your CPU cooling fan to the mobo and let it do its (default) automatic control. BUT the port on the mobo you connect to is the CPU_FAN port, NOT the SYS_FAN port. (SYS_FAN or CHA_FAN ports are for case ventilation fans.) Of course, to do this you will need a "standard" 4-pin fan type for the CPU. But your original question was about case ventilation, not CPU cooling.

Thanks for correcting me; I was tired when I wrote that.