Tom's Hardware > Forum > Graphic & Displays > Nvidia > Power for gtx295
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rewolfer   03-17-2009 at 08:05:13 PM

Hey guys

I just purchased a Zotac gtx295...
I currently have a Unib EN-750VP 750w psu

I don't know much about power supply at all. When i read the reqs for the gtx295 it said a 680w psu.... which i have...
But when i switch on the pc i see nothing on my screens.

I have connected the auxilliary power through a 6-pin cable.
I'm hoping my problem has something to do with my stupidity rather than a faulty card.

the psu specs are here. Do one of these cables only carry an 18A current maybe, and i need to merge three of them to get over the 47A 12V requirement of the card?

Also there is a 1-pin GND and 1-pin SPDIF connector on the card which i haven't connected, as i thought this shouldnt affect its fundamental functionality..

PLEASE PLEASE PLEASE help me out

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zipzoomflyhigh   03-17-2009 at 10:03:18 PM

You need more than one 6 pin cable. Have you even read your manual or are you just winging this? Would you like us to read the manual for you?

680W PCI Express-compliant system power supply with a combined 12V current rating of 46A or more

One 8-pin and one 6-pin PCI Express supplementary power connector -or- Two 6-pin PCI Express and two 4-pin peripheral supplementary power connectors

------------------------------ P965/Q6700@3.2 8MB HD4850 OC Edition
4GB Corsair XMS 800
Vista64/Win7
Fatality 550w/Antec 300
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rewolfer   03-17-2009 at 10:38:36 PM

hey man
thanks so much for the response

I did read the requirements (but i incorrectly typed 47A in my post). But i misread the cable part - thought it said "6 OR 8 pin", mainly coz i didn't see an 8-pin connector. my manual doesn't exactly give any detailed instructions besides that.


AH after a thorough scan of the card, I just realised they covered the 8-pin socket with a sticker! hahaha... man...

dude thank you so much - its all working now.... silly me

Reply to rewolfer
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