Since as far as I know no one has done a Xboxp I don't think anyone has the power pinouts, but if your looking for the AV pinouts you can get them here http://www.gamesx.com/avpinouts/xbox.htm

urika! (or however the hell you spell it) I think i found the power pinouts on some other forum.

http://www.pheatonforums.com/forum/inde ... entry50522

OOOOOOOOOOOO
1--------------------12

1. 12V
2. 5V
3. 5V
4. 5V
5. 3VSB
6. 3V3?? - ( could this mean 3.3v? On my board the last letter/digit is messed up, but it appears to be a 3)
7. GND
8. GND
9. GND
10.GND
11. POW ON
12. POW OK


EDIT: If anyone screws up their xbox with these I'm not responsibly or the other dude who found these

take a pic of it