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*FAQ* Using A PSU Fan As A "Normal" Case Fan.

post #1 of 10
Thread Starter 
I am writing this guide as I gather materials for my soon to be HUGE Case Mod. I had an old 300 Watt PSU lying around, and I saw the 80mm fan inside it. So I thought, "Why can't I use this fan as a standard fan?" Well, I did, and I am about to share it with you all.

*NOTE* Some PSU fans are soldered onto the PCB, in this case, just rip it out, and use a spare 2 pin connector to attatch it.

*IMPORTANT* YOU MUST TAKE EXTREME CAUTION WHEN DOING THIS MOD. IF THE PSU HAS BEEN RECENTLY REMOVED FROM A WORKING COMPUTER, YOU MUST LET IT SIT FOR AT LEAST 1 DAY BEFORE DOING THIS MOD. THE PSU STILL CARRIES A CHARGE AFTER BEING REMOVED.

Materials Needed:
Screwdriver--Phillips
OLD PSU

THE VICTIM:


STEP 1:
Unscrew the 4 Power Supply Screws on the top (NOTE* I am using a "old" PSU and newer PSU's with "more" fans may be different to take apart*)


STEP 2:
This is the inside of the PSU,


STEP 3:
Locate the Fan:


STEP 4:
Unscrew the fan from the OUTSIDE, there are 4 screws:


STEP 5:
Trace the fan wire to and unplug it:


THE END PRODUCT:


*Thank you for reading my guide, this is the first of many guides to come from Xcubed. As I approach the date of my HUGE mod, *PROJECT* Green "MAD"NESS Overhaul, I will be doing many things computer related, and will, of course, share these with my fellow friends on Overclock.net.

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post #2 of 10
Nice way to state the *almost* obvious, but still a through guide. You might want to mention that most PSU fans are soldered onto the PCB, though. Good luck on your modding project!
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post #3 of 10
Thread Starter 
Quote:
Originally Posted by Chipp
Nice way to state the *almost* obvious, but still a through guide. You might want to mention that most PSU fans are soldered onto the PCB, though. Good luck on your modding project!
Thank you for the pointer Chipp. I added your note. Yes, I realize the FAQ is pretty obvious, but why not do it. There must be some complete noob out there who knows nothing about PSU's right?
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post #4 of 10
to be honest with you, i burst out laughing at how simple it is


but they are right, its good that you did this because there are some people out there that may not know this process
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post #5 of 10
I think you should put a large note about how dangerous this is BEFORE saying 'take the case off'.

FFS, its basic safety, and if this is 'for noobs' then you tell them the safety issues FIRST.
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by noxious89123
I think you should put a large note about how dangerous this is BEFORE saying 'take the case off'.

FFS, its basic safety, and if this is 'for noobs' then you tell them the safety issues FIRST.
Done!
Thank you for the suggestion
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post #7 of 10
Thats better

Might want to add this information that i got from archer_456's sleeving guide:

A word of CAUTION: The PSU does retain some voltage after cutting it off, it is recommended to either press the on/off button several times after you turn your computer off or by using a jumper wire from the PS-ON (green wire) to a black common wire as in the picture below. I also verified that there was no voltage by using a Multi-meter.

and

Just for argument sakes, I plugged in the PSU, turned it on by using the jumper wire I mentioned above, let it run for a minute, then removed the jumper and unplugged it. When I unplugged it I replaced the jumper wire to turn back on, unplugged, and the fans cut back on for about 1 second. As you can see, it does retain the voltage.

Using a fan etc to drain some of the retained charge helps. (must have the on/off wires bridged to do this). But remember, that isnt the i win button. The best safety measure is to use a multimeter, or let the PSU sit overnight to discharge any power. (yet again, this isnt fail safe)
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post #8 of 10
Hmm... how you going to connect that fan? That's like a two pin connector, and MoBo's have 3-pin connectors. If an adapter is about the same price as a fan.. what's the advantage??
    
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post #9 of 10
Thread Starter 
Quote:
Originally Posted by Chozart
Hmm... how you going to connect that fan? That's like a two pin connector, and MoBo's have 3-pin connectors. If an adapter is about the same price as a fan.. what's the advantage??

I bet most people have at least 1 broken fan, and well, its not hard to replace connectors. If not, sorry, this guide is meant to tell people how to remove the fan from the PSU, not how to install it in a case.
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post #10 of 10
I did this mod last week to my moms computer, her psu fan was so clogged with dust that it would barely spin. So I opened it up, and it wasn't able to unplug so I just cut the wires out. Then stripped then and spliced them with a new fan. Worked fine.
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