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How to Adapt a PC Power Supply to be Used to Power an Xbox 360

Tutorial originally posted on llamma forums by Tizz78 HERE


 Copyright Notice: All rights reserved Copyright 2005 Llamma Corp.  This document and associated photos and all content at llamma.com may not be reproduced without written permission from the author(s).  This means you may not re-post at another site, sell these documents on eBay or reproduce in any form.  Our articles are written with the intention of them being read at our site.  Feel free to link and use any one photo from any of our articles for the purpose of linking. 

The purpose of me attempting this mod was simple : I have 4 xbox 360's and 2 360 PSU's . As anyone can " do the math " you can see why I did it and especially looking at the price of 360 PSU's . I had this old one sitting around so I figured I'd go for it .For this mod I used an older AT 250 watt power supply that already had a switch to turn it on and off . If you use an ATX power supply you'll have to connect two wires together to keep it in " standby " or " always on " . Llamma and myself are NOT RESPONSIBLE IF YOU FRY YOUR 360 ! Do this mod at your own risk !!
 

  Step 1 - Open the 360 console . If you can't figure out how do a google search , it's out there .
  Step 2 - Carefully remove the 360 motherboard . Flip over the mobo and locate the power plug .
Step 3 - VERY CAREFULLY solder the needed wires to their respected pins . These pins are labeled 1-10 . Voltages of pins are as follows :
Pins 1-3 are Ground
Pins 4-6 are 12 volts
Pin 7 is reference signal ( Usually blue wire on PC PSU )
Pin 8 is 5 volts
Pic below ....
Step 4 - Now we need to " notch " the shielding as shown below to let the wires fit . A Dremel tool worked for me .
room for wires
wires routed
back view

Step 5 - Next we need to notch the bottom case for the wires as shown below .

after cut
after re-installation
Step 6 - Now we need to prepare the PC PSU . To do this we need to install connectors to the wires on the 360 and the PSU , similar to the pic below . I heat shrinked any solder joints and shrinked all my wires of the same voltage together .This gives it a cleaner look , but is not necessary if you like tripping over wires . Very Happy
Also notice how I made the same voltage wires have the same connectors and grounds are opposite of the +'s .
Step 7 - Well , now all you have left is to test and play .

I hope anyone else that has done this has good luck and have no issues . Mine works great , and I can build a custom stand and run a few fans ( Also shown in the pics ) .....
ENJOY !!

PC power supply powering an Xbox 360!

-Tizz78

 

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Microsoft, Xbox, and the Xbox logos are registered trademarks or trademarks of Microsoft Corp.  Llamma.com and Xbox-Repair.net are in no way affiliated with Microsoft.  All references to Modchips, Linux and any other forms of xbox modifications are done for the purpose of writing and testing interoperable software as allowed under Sect. 1201 (f) Reverse Engineering exception of the DMCA.  This site does not condone the illegal copying of games.  All advice/information is provided as is without warranty to accuracy. Do not consider any comments as legal advice, I am not a lawyer. All references to Mod chips should be taken as hypothetical in nature, actually installing a mod chip may be illegal. In simple terms don't sue me if you mess up on your own or with my help. Make your own decisions do the research determine what is legal and what is not, I take no responsibility for your actions.  
All photos and content copyright Llamma Corp. 2002
-2005

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