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12v Source Motherboard Top


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#1 zefyx

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Posted 31 May 2011 - 02:31 AM

I'm looking for a source of 12v to relocate the wires for a GPU HSF fan. I realize the easier alternative would be sourcing a v1.1+ HSF, but this is not an option at the moment. Anyone know of a 12v and GND source close to the GPU HSF? Thanks! pop.gif

Edited by zefyx, 31 May 2011 - 02:31 AM.


#2 Nextelhalo

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Posted 31 May 2011 - 07:53 PM

You could just tie it into the power cable for the hard drive. Or you could
jack up the fan speed of the main fan and remove the heatsink fan on the
GPU all together. Should work just fine but i would replace the thermal paste
before you go passive like this.

#3 zefyx

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Posted 01 June 2011 - 01:44 AM

I'd prefer to not have to go either route. Typically I would pull my multimeter out and test, though I can't find it at the moment. I'll wait in hopes that someone else can chime in.

#4 crusty_punk

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Posted 01 June 2011 - 05:02 AM

here you go brother!
http://www.newegg.co.....;Tpk=case fan

that way you don't have to solder anything and you can even plug in the GPU fan without cutting anything.

If you're determined to locating a 12v source, there are 2 that I know of off hand, but they're on the under side of the mobo... There are also 2 on the under side of the PSU

1) on the under side of the power socket. The very first point (closest to the "daughterboard") is your 12v line. when your power socket is plugged in, it's the yellow wire.
2) the under side of the DVD connector... If you flip your motherboard over, a/v to the back, daughter board towards to you... there are 2 rows of 6 pins for the DVD... the top pin on the left most row is 12v (the top pin on the right most row is 5v)

3) On the underside of the PSU, trace the yellow wire of the HDD connector, 12v
4) trace pin 1 (yellow wire) to the PSU and solder to the underside ....


To the best of my knowledge, this info is correct for a 1.1 (from memory).... However...
If I have made a mistake, please correct me so zef doesn't ruin his xbox.

Also Zef... try searching for pinouts on a 1.1....






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