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> Xbox V1.0 Psu Q's
JakobMetzger
post May 25 2006, 10:33 PM
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Ok, on pin 11 and 12, what does "Power On" and "Power ok" mean? Does a signal to turn the xbox on/off go to those or what exactly do they do?

Xbox PSU Pinouts
IPB Image
1 +12V Yellow
2 +5V Red
3 +5V Red
4 +5V Red
5 +3.3V Orange
6 +3.3V STBY Brown
7,8,9,10 GND Black
11 Power on White
12 Power OK Blue

This post has been edited by JakobMetzger: May 25 2006, 10:34 PM
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Arjun
post May 26 2006, 01:25 AM
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No idea...but they both give 3.3v when it's on...don't use it as a source of power...maybe grounding it powers the Xbox on?
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JakobMetzger
post May 26 2006, 09:06 PM
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well, does anyone know for sure what these two pins do?
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pablot
post May 26 2006, 10:19 PM
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power ok is a signal from the psu to the xbox saying that the psu is allright and everything is working as it should. (active when on, so 3.3V = ok, 0V = baaad)

power on is a signal from the xbox to the psu telling the psu to turn on all the non stb power (5v and 12V). It is pulled low by the psu and is pulled high (3.3V) by the xbox when the xbox turns on.

/pablot
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