Build Your Own Arcade Controls Forum
Main => Main Forum => Topic started by: GlennM on June 21, 2007, 11:05:00 pm
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On my SNES-PC I need to fit two small Laptop fans onto a normal motherboard. As best I can tell both fans are 5 amp. I was thinking I might be able to rig them both onto a normal fan hookup, but would rather not burn them both up as they are rather hard to come by, at least the style I was using.
So, if you have any ideas that you know will work, or any that you think may work, that'll be sweet.
I have a normal fan hookup available, a USB 2.0 hookup, a couple firewire hookups, and a four point hookup power cable available.
Thanks,
Glenn
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I really think you mean that the fans are 5V not 5 AMP. Small fans should use milliAmps of current.
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Assuming the fans are 5V, you can draw directly from the 5V power supply pin. (Could pull from an internal USB header, but that seems a little silly). Do you have a volt meter handy?
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Just a thought. If I know the project.
I would guess the problem you're encountering is cooling the CPU then exhausting the hot air somewhere. I don't know the actual measurements, but I would guess there isn't a whole lot of space between the top of the CPU heat sink and the case itself. Liquid cooling is probably out of your purview.
What about a small flat blower? I've seen some blowers as small as 3"x3"x1" (don't take that as an exact measurement) with about 10CFM or better. Direct the airflow output through the heatsink fins, don't try to cool anything through the intake. I tried and it didn't work because I didn't count on how air behaves around a fan. Mainly I forgot to install a shroud (http://www.laptops4me.com/newsdesk_info.php/newsdesk_id/6?SID) and I couldn't get one to fit correctly. But I could build an air pipe and alignthe blower across it. Your mileage might vary.
Also, don't be like this guy (http://www.hothardware.com/forum/messageview.cfm?catid=5&threadid=36460&enterthread=y) and try to "suck" the hot air out. Can you see two errors in his design? :P Use muffin fans for that.
Just my two bits. :dunno