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Question:

4 pin cpu fan 3 pin mobo connector?

I got an acer ast 180-ud440a. It has an amd Live 4400+, 585w psu, nivida6100 mb, 4gigs 6400 Gskill, vista home prem 32bit, 320 gb hd, MSI 8800gts 320mb, razer DA, cyber snipa game pad, 19in.widescreen acer P191wI got a new amd 5600 65w cpu and the fan is 4 pinlt; but my mobo is 3 pin. Will it still work?

Answer:

it should work
I don't think so. But you may be able to purchase an adapter.
That 4-pin connector is a so-called PWM connector. It's basically a normal fan connector which has one extra pin, so that it can change speeds depending on how hot the CPU or whatever it's cooling gets. It'll work just fine plugged onto a normal 3-pin fan connector, the fan will just run at max speed all the time. (PS. I'm using an old 92mm PWM fan as a casefan on an older PC connected to a 3-pin connector, and that's been working perfectly for a few months now)

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