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Tom's Hardware Forums » Overclocking » Cooler and Heatsinks » Fan Placement

Fan Placement

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Author	Thread : Fan Placement

prometheas

Profile: journeyman

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12-01-2005 at 12:29:48 AM

Ok, i just ordered ten masscool fans from newegg for 10 bucks and am wondering how i should place them in my generic JustPC case.

3.0 Prescott
Asus P4800SE 865PE
1 GB 3200 Kingston RAM
6600gt eVGA
Sound Blaster 2ZS
JustPC 425Watt

There is a slot in the back of the case, one on the side (above/near the CPU), and two in the front. How shoould I configure it? Also, any1 know some good ways i can place the other 6 fans in my case, if there is a way.

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RichPLS

Profile: Honorary Master of THGC

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12-01-2005 at 01:15:12 AM

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Cut holes in the bottom of the case, and install the 10 fans facing downwards...the first hover PC! :lol:

fishmahn

Profile: Ancient Poster

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12-01-2005 at 05:23:41 AM

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Quote :

the first hover PC!

ROFL, Rich.

For those fans, the 2 in front blowing in, the one on the side blowing in, the one in back blowing out.

Stick the others on the shelf and use for next build.

I guess you could drill holes all over if you wanted, but there's not much point unless you have heat problems, want a hover PC and/or one that sounds like a jet plane... But anyways, keep the in and out approx even, going in at the front and bottom, and out at the back and top. Remember to count the PSU fan as an out.

Mike.

prometheas

Profile: journeyman

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12-07-2005 at 01:06:06 AM

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Ok, installed all four fans... but now my comp sounds like a jet takeoff (all the time)... which fans should i take out to lessen the noise but have the best heat increase/noise ratio??? Also, any other tips of quieting them down cheap... emphasis on the cheap...

fishmahn

Profile: Ancient Poster

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12-07-2005 at 06:00:39 PM

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LOL, yep, those aren't exactly the quietest fans I'm sure.

You could do a voltage mod - usually fans run on 12v. If you do some wiring and power them from the 12v and 5v lines (instead of 12v and ground) you'll get 7v which will slow the fan down so its quieter.

I'd pull one of the front fans out completely. Lower the voltage on the others. Possibly pull the fan blowing out the back (do that only if its still too loud after lowering the voltage on them all).

Umm, I don't remember the colors (if I was looking at a PSU I could tell) but I think red is 12v and yellow is 5v.

The other option is a fan controller. Don't know anything about them except they have knobs/controls to lower fan speed.

Mike.

prometheas

Profile: journeyman

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12-07-2005 at 11:01:28 PM

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I'm like a complete noob to modding computers, so can you plz give some basic guidelines on how to do the voltage mod? Thanks...

BTW- A fan controller is not really in the question, ive looked at them and ther e like 20 bucks each so no

fishmahn

Profile: Ancient Poster

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12-07-2005 at 11:45:40 PM

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The fans have a molex connector on them (same as you'd plug into a CD drive or hard drive). There's 4 wires on those connectors from the PSU - red, yellow and 2 black. The fans should only have 2 wires going from the fan into that 4 wire plug, red and black. Disconnect the black wire and connect it to the yellow wire's socket.

RichPLS

Profile: Honorary Master of THGC

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