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Subject: Installing Case fan
oetinger 2.09.10 - 05:07am
You said the 3 pin says 'sys fan' yourself. 'Sys fan' means its for the case fan. * +
sonicbom 2.09.10 - 07:03am
I have just connected those fans to psu and speedfan shows 4 degree drop in temp. Total it stays at 27 on standby and 55 cel at load whoo. I guess we have same mobo @Oetin * +
sonicbom 2.09.10 - 07:05am
But how do I control the sys fan speed @jay @oetin * +
iggy.me 2.09.10 - 08:10am
you can control the speed of the fan by reducing the voltage, accomplished by installing a potentiometer or a fan speed controller. Note that in this case you, the user, is the one that is controlling the speed of the fan * +
iggy.me 2.09.10 - 08:11am
ith PWM fans, where it is the computer that controls the speed of the fan. so if its connected to the board the pc will do it * +
iggy.me 2.09.10 - 08:12am
have a look at this you might like this http://www.hardwaresecrets.com/article/How-to-Create-a-Three-Speed-Fan-Control-Without-Spending-a-Dime/496 * +
iggy.me 2.09.10 - 08:17am
The first two pins supply the voltage required for the fan to spin. The third pin is connected to the fan speed sensor, reporting to the motherboard the current fan speed. he fourth pin is a speed control input, also known as PWM (Pulse Width Modulation) control, provided by the motherboard *
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