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6950 500MHz Clock Problem

Juantjie

Juantjie

Juantjie

Associate
Joined
12 Dec 2010
Posts
129
Location
Roehampton, London
It seems that my 6950 works fine for the first 10 minutes-ish when I start up Vista (which is 64bit). I run GPU-Z to monitor temps, fan speed and clock speeds. When I start it up it reports the clock rate at start-up of the program was 825MHz core and 1275MHz memory. All good so far.

However, it then goes back to 500MHz and 1250MHz respectively, presumably because it is in desktop mode. If I now start up any game at all, and I have tried a lot and even synthetics, the clock rate remains at this desktop speed. I've tried fiddling with Overdrive in CCC, but the clock rate remains the same. Even if I turn off the ability to overclock in CCC this still happens.
I've also got MSI afterburner installed, and trying to change the clock rates on there is negative as well. I tried Rivatuner, but I'm not able to access "Low-level System Settings" on there. ATi Tray Tools results in a crash after installation and initial start-up.

Does anyone know what may be causing the problem? Is it because the drivers are still new? Is it a problem with the card, or my system, or a program?

Any help would be appreciated guys n gals

Cheers, Juantjie
 
Sidney James said:
Hello welcome to forums.Is the Gpu-z you are using the new one (I think it's still beta) that adds support for 6900 series?
Click to expand...

I'm using this one:
techpowerup.com/downloads/SysInfo/GPU-Z/
but, it's release date is 03 December 2010, so I doubt that it would have support seeing as they were only released a few days ago given this date. I'm running version 0.4.9; Revision, Technology, Die Size and Transistors are unknown. It says I've got catalyst version 10.12/Vista 64.

I can't seem to find a download link for the beta you are talking about - could you provide it please?

If you need any more information please ask

Cheers, Juantjie
 
Ok I now how have the most recent version, but this still doesn't solve my 500MHz problem while gaming :( Sometimes I do get the full 800MHz or more when I overclock, and I can notice that there's a 7fps increase in Crysis. The current version of GPU-Z is still reporting 500MHz as well.

Juantjie
 
Juantjie said:
Ok I now how have the most recent version, but this still doesn't solve my 500MHz problem while gaming :( Sometimes I do get the full 800MHz or more when I overclock, and I can notice that there's a 7fps increase in Crysis. The current version of GPU-Z is still reporting 500MHz as well.

Juantjie
Click to expand...

Have you tried benchmarking with Gpu-z Off completely and then on?,any difference?
 
Ok now something's gone wrong after I've downloaded that. Even when I have no programs running apart from notepad, there is a keyboard delay, as in I type then the letters appear half a second later. CPU usage is low and when I start up GPU-Z the GPU usage is low too.
However it did that weird thing where it went back to 800MHz so I thought I might try out Crysis. When I hold W the dude goes forward, but when I let go he carries on going forward for like 2 seconds. This is getting weird now! This started happening after I ran the new GPU-Z - how is it possible that it could have caused this? Sorry that I cannot be more specific, I'm probably throwing problems at you with little detail.

Juantjie
 
Gareth, cheers mate. Solved the problem. From another forum:
"Anything accessing the graphics cards UVD (Unified Video Decoder) mode will change the clocks to UVD clock speeds"
Stop playing music videos on YT... done.
Hello 825MHz.

Thanks all, problem solved!! :D
 
Juantjie said:
Gareth, cheers mate. Solved the problem. From another forum:
"Anything accessing the graphics cards UVD (Unified Video Decoder) mode will change the clocks to UVD clock speeds"
Stop playing music videos on YT... done.
Hello 825MHz.

Thanks all, problem solved!! :D
Click to expand...

this on my 4890 is driving me nuts, next card is going to be a Nvidia because of it
 
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