9V straight out of psu for fan? - Techist - Tech Forum

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Old 06-17-2005, 07:49 AM   #1 (permalink)
Join Date: Jan 2004
Location: A system that rotates chaotically while simulations indicate irregular and unconventional behaviour.
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Question 9V straight out of psu for fan?

I think quite common trick is(was) to stick a fan into +5V and +12V making it run at 7V, but has anyone tried putting one in 3.3V and 12V =8.7V? ...and yes I know there are these fan controllers etc. so don't preach me about them. thank you.

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Old 06-17-2005, 08:57 AM   #2 (permalink)
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I'm not too sure if that would work..it sound like it should.. but always check properly first. Also the 3.3 V Rail would have to come from the 20/24Pin Motherboard Connector as there is only 3.3V Rail there, not on any standard 4 pin molex connectors. You could always solder a wire onto the back of the board where the 3.3v rail pin in under the 20/24 pin connector.
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