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8800GTS voltage problems? Please help!

D

djdnz

n00b
Joined
Jul 28, 2002
Messages
38
Hi guys, I just built my new computer. Specs are as follows:

Intel C2D E6400 @ 3.0GHz
Gigabyte 965P DS3
XFX 8800GTS @ 630/950
Silverstone ST65ZF
Cooler Master Hyper 48 HSF
WD SE 16mb 320gb

I think that's all the relevant details.
I have the 97.92 drivers installed (fresh install, properly yesterday). Using RivaTuner to overclock the card. There have been no issues with the overclock, no artifacts, no fatal errors, etc... This is the error I'm getting, it happens right when I reboot and get into windows.

error.jpg


Basically, it's been re-clocking the video card to a level waaaaayyyyy below what it even comes at stock. In FEAR, max everything, 1680 x 1050, I normally get:

Min: 59fps
Avg: 96fps
Max: 200fps

But after it re-clocks it goes to:

Min: 15fps
Avg 25fps
Max: 31fps

I have NO clue as to why it's doing this. When I re-installed the drivers the last time, it fixed the problems until I re-started again. I'd like to note that my brother, on both instances, went into the Nvidia control panel and changed the vsync setting from there - any way that control panel is messing things up? I had the video card plugged into the third twelve volt rail on the psu initially, which was 16A. After the error came up the first time, I tried changing the rail to the third one, which is only 8A - there is an 18A rail, but the connector won't go into the video card (six prong, its just different size I guess?). Both rails got the same error. I also tried adding 0.1V to the PCI-E through the BIOS, which didn't make any difference either.
What do you guys suggest, this is driving me nuts!
Thanks!
 
630/950 is a pretty good clock; check power supply issue (cable plugged in, getting proper voltage, watt rating of unit).
 
Power supply is 650W Silverstone. It IS plugged in. Rails are:

12V1 - 13A
12V2 - 18A
12V3 - 16A
12V4 - 8A
 
Rivatuner shows that it goes back to stock, but it somehow makes the card significantly slower than stock - the games run about as bad as my old 2GHz P4 w/ ati radeon 9800.
 
Well, for reference; I have a minor overclock of 600/900 on my GTS, and I'm getting about 17,100 on 3DMark05; just for reference to check the card.

M
 
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