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Gainward GTX 275 memoryclock jumping?

Last response: in Graphics & Displays
December 10, 2009 11:03:05 PM

Hey Guys,
Need some help here. For the last few weeks I've been having real problems with my card.
Basically everything runs fine and dandy, until I start to play a game.

5 or 10 mintues into the game, my memory clock speed will drop (and be locked until a full reboot) at 250.
I've tried the following:
- Updated drivers from 180 till recent, trying each one on its own
- Underclocked the card
- Overclocked the card

I've posted a picture, so hopefully this might help.

Basic specps run down.

Intel Quad Core q6600
4gb DDR2 ram
3 internal drives
Coolermaster 650W PSU
Windows 7 RC1

So run down on the problem, card memory clock falls from 1134 to 250 when gaming, have to reboot to get it back up.
Best Regards,

Charl Du Plessis
a b Î Nvidia
December 11, 2009 12:33:09 AM

Temps or power, the only time I see this is when I overclock past what the card can do. So check for low volts and if possible test the card in another rig. Last option RMA and just sit & wait if you can do it.