Posted: Fri Mar 27, 2009 12:56 am Post subject: standby power
ok so i have an old xbox that i am modding and i want to use an atx power supply because my old one is shot and i have a mess load of axt power supplies. i know it wont fit in the original xbox case but that doesnt matter because i am making my own from scratch. i know what the pinouts are but i was wondering if any one knows what the wattage and amperage is for the standby power on the xbox so i can get a regulator to go from the 5v standby on the atx to the 3.3v on the xbox. Or if any one has a schematic to build your own that would work to, i dont mind doing a little soldering plus it'll give me something more to do lol.
thanks for the links but the first link on there is for psu not atx but it lets me know what limits i need are so thanks. the second one there is a good idea i might get one of those. I know the pinouts are different from the atx to xbox but i already have a pigtail made to plug into the xbox and the power supply i just need the regulator for the standby to go from 5v to 3.3 so i dont fry the xbox. it looks pretty simple maybe i can find the schematic.
thanks for the help i appretiate it.
You could skip the regulator idea and solder `in series` two 1N4001 diodes on the ATX 5vsb ...... Giving you 3.6vsb for the xbox (not quite 3.3v but close enough) _________________
thanks that reg should work. i didnt even think about an ajustable one. I have heard of people using the diode trick but from what i have heard is its not real stable and they burn out or something after a while.
i did manage to find a schematic with part#'s last night so i might try it the only problem is i have to order the parts online because raidoshack has a horrible selection any more and the prices are ridiculous.. if anyone wants to try it here is the link:
http://home.arcor.de/h3d/atx2xbox.gif
I was thinking about adding some leds to it like the adapter that sickmods sells, looked like a cool idea. The parts are less than $4.50 vs. the $18 at sick mods and i can put the leds where i want them.
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