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Video card question?

post #1 of 3
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Hey guys not sure where to put this so please don't go crazy on me.  Ok so this might be a lil confusing lets see how it goes, what i want to do is hook up my 5770 to another computer BUT the PSU is very weak, so what i want to do is have the PC PSU power up all the other things and my other 750wat psu just power up my video card so it can run with that power. Reason why i don't just hook up my main PSU to this PC is because the MB has small 20pin connectors and it just simply just doesn't fit in the socket. I hope i didn't lose you guys. 

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Phantom X
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post #2 of 3
Quote:
Originally Posted by Emu105 View Post

Hey guys not sure where to put this so please don't go crazy on me.  Ok so this might be a lil confusing lets see how it goes, what i want to do is hook up my 5770 to another computer BUT the PSU is very weak, so what i want to do is have the PC PSU power up all the other things and my other 750wat psu just power up my video card so it can run with that power. Reason why i don't just hook up my main PSU to this PC is because the MB has small 20pin connectors and it just simply just doesn't fit in the socket. I hope i didn't lose you guys. 

That could work fine, but.... you need some way to send a signal to the green pin on the 2nd PSU. Something to turn it on.
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post #3 of 3
Yes this is fine. You can "jump-start" the secondary PSU with a paperclip (though for long-term I would use a switch) and just hook up the cables.
http://www.youtube.com/watch?annotation_id=annotation_542596&feature=iv&src_vid=81LEX4_TYy8&v=jp15tBGqYAU
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