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| Amiga Hardware Issues and discussion This forum is dedicated to the discussion and resolution of issues related to Classic and Next Generation Amiga hardware. Got a problem with a piece of hardware? Click to speak. |
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10-03-2007, 12:23 AM
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Kindred of Babble-on
Join Date: Dec 2003
Location: Serbia
Posts: 2,532
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12 or 5 VDC?
I want to buy some extra fans for cooling ppc A1200 in its original case. There is a choice between 12V and 5V powered fans. What should I choose? Which ones would put smaller strain on A500 "heavy" type PSU?
BTW, are all standard computer fans, including small ones 12V? Anyone knows what is the voltage of that tiny fan in phase5 ppc?
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You`re here, Noŷs. |
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10-03-2007, 12:39 AM
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#2 | ||||||||
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Desperately needs a life
Join Date: May 2006
Location: São Leopoldo, RS, Brazil
Posts: 3,263
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Re: 12 or 5 VDC?
12V is better for two reasons:
-Less noise in +5V line (which is used for CPUs, integrated chips, memory, etc); -Less current to do the same.
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Goodbye people. I'll pop on from time to time, RL is acting up. |
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10-03-2007, 07:27 AM
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#3 | ||||||||
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Technoid
Join Date: Sep 2007
Posts: 155
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Re: 12 or 5 VDC?
I'd agree with the less noise reasoning. Watch the current requirement though, can soon add up with several fans. Typical 80mm fans will be around 150mA, so get three of them and you're only 50mA off overloading a 12V line rated at half an amp. The disk drive(s) needs 12V too.
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