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Downclock card for less power requirement?

post #1 of 11
Thread Starter 
I have built a new rig and sadly the PSU doesn't cut it for the 8800gts(needs 26A,PSU has 18),somebody told me to downclock the card.
If i downclock the card will it's power requirements drop down?(might drop to half the stock ones,anything is better than a 6150SE onboard)
btw the PSU does NOT have a pcie connector,i have to use the molex to pcie adapter.

EDIT: shall i use rivatuner or atitool?
Edited by Fox_Smash - 6/22/08 at 10:03pm
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post #2 of 11
why don't you just buy a new psu? im sure you would be much happier spending a little extra money and have more performance.

and rivatuner
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post #3 of 11
You can't really downclock a card because it will become unstable and crash.
    
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by Sgt.Collins View Post
why don't you just buy a new psu? im sure you would be much happier spending a little extra money and have more performance.

and rivatuner
i don't have any money as of now.
to lemondrips: i thought only overclocking could cause crashing,downclocking the card seemed reasonable.
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post #5 of 11
You can downclock but it won't help that much... maybe 20-30w.
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post #6 of 11
nvm
    
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post #7 of 11
Quote:
Originally Posted by DuckieHo View Post
You can downclock but it won't help that much... maybe 20-30w.
I always thought you couldn't downclock a GFX card , but if you say it, it must be right .

Edit: I don't know how I double posted ...
Edited by Lemondrips - 6/22/08 at 10:31pm
    
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post #8 of 11
Quote:
Originally Posted by Fox_Smash View Post
I have built a new rig and sadly the PSU doesn't cut it for the 8800gts(needs 26A,PSU has 18),somebody told me to downclock the card.
If i downclock the card will it's power requirements drop down?(might drop to half the stock ones,anything is better than a 6150SE onboard)
btw the PSU does NOT have a pcie connector,i have to use the molex to pcie adapter.

EDIT: shall i use rivatuner or atitool?

Do you have a link to your Exact PSU?
I find it hard to believe it has only 1 +12v rail.
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post #9 of 11
Thread Starter 
Quote:
Originally Posted by grunion View Post
Do you have a link to your Exact PSU?
I find it hard to believe it has only 1 +12v rail.
it's not the sig rig i'm talikng about,it's a new one i built this week.
http://www.overclock.net/power-suppl...nough-rig.html
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
You can downclock but it won't help that much... maybe 20-30w.
btw PSU is 600W,but less watt consumption means less AMP requirement?
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