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Author Topic: XBOX Power Supply  (Read 5995 times)

logicslayer

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XBOX Power Supply
« on: November 19, 2005, 02:44:09 AM »

Can the xbox psu be used with a standard atx mobo?
« Last Edit: November 19, 2005, 02:32:13 PM by hyper_threader »
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BalefireX

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Re: XBOX Power Supply
« Reply #1 on: November 19, 2005, 09:26:31 AM »

I can't decide where this topic goes, so I'm pawning it off on viridius and linear.  Have fun, guys.
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viridius

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Re: XBOX Power Supply
« Reply #2 on: November 19, 2005, 03:07:00 PM »

My preliminary research does not seem to indicate that PSUs from different versions of Xboxes are compatible with each other, much less PSUs from ordinary computers.
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Loki Xtra

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Re: XBOX Power Supply
« Reply #3 on: November 20, 2005, 01:30:43 AM »

Theoreticly, if you could get all thr right voltages out of it, sure. 
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nemattoad

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Re: XBOX Power Supply
« Reply #4 on: November 20, 2005, 01:41:52 AM »

I researched this somewhat when I was building my briefcase PC.

1st) it is a VERY weak power supply in comparison to PC power supplies, you won't be able to power a fast system.
2nd) the connector LOOKS liek an ATX connector but the pinout is 100% different.
3rd) It is missing some negative voltage rails. I don't know if these are required or not.
4th) Almost every xbox version uses a different PSU, WITH different pinouts. You will have a hard time finding the pinout, so you may need to whip out the 'ol multimeter

5th and what deterred me from trying it -

The PS_ON and PWR_GOOD lines. This is the signal for taking the PSU out of standby mode and also the PSU's self-test. I don't know the details about PS_ON, but I have heard TONS of different opinions about PWR_GOOD. Some sites say the xbox has a 3.3V PWR_GOOD signal,soem say its 5V. I don't even know what PC mobos expect. I couldn't figure out where/if they even exist on teh xbox PSU and how to interface them with a PC mobo. YMMV however, but it is what deterred me.
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