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Video card refuses to overclock

S

shadowbreaker513

[H]ard|Gawd
Joined
Feb 15, 2005
Messages
1,410
When I got my 6800GT, I had it running on the 67.something drivers straight from nVidia's web page. I had the card overclocked to 420/1100 no problems. My RAM crapped out on me one night after a gaming session, so I sent it back for an RMA. In the mean time, I put the two sticks of RAM I orginally had back in (around 2 weeks after it crashed). When I booted my computer up, it stopped displaying to the moniter when Windows would boot, even though the computer would continue (could hear login music). I swapped it out with Radeon 9250, ran driver cleaner, reinstalled the 6800GT, and reinstalled the newest drivers from nVidia; the 71.somethings. I noticed a substantial temperature elevation, much higher than when I had used the beta versions of them before. My card would sit on the desktop at 67C. Just for the hell of it, I did auto-detect for overclocking, and it only went to 401/1060. It wouldn't even let me set 420/1100 like I had before. I went and found the 67 drivers I was using before, and installed them. The temps went down, but were still about 4C above where they were before my RAM went out on me. It auto-detected higher, but still only at 410/1060. I decided to try some newer and modded drivers and installed the XG-76.10 drivers from guru3d.com. The card still only auto detected at 404/1060, and when I clicked apply, the screen blinked and the clocks went back to normal. Now I can't overclock period. I tried doing a 1Mhz core increase and a 10Mhz RAM increase, and it wouldn't even pass the test. With auto-detect, the screen just blinks about 3/4 of a second into it and the clock speeds stay at stock. Anybody know what could have happened?

And before anybody asks, I made sure to run driver cleaned between each round of drivers.

EDIT: Also under AGP settings, it refuses to let me turn Fast Writes off, and says the OS AGP speed is 2x, while all the other ones are at 8x.
 
That's a perplexing problem. I can't offer any ideas about the sudden changes in overclockability or temperature, but the temperature reporting problem is a known issue with the 71.84 drivers. I hope that somebody can provide the info you need.
 
tuckt said:
Is the current RAM the same speed as the old RAM?
Click to expand...
The stick of RAM that died had been in there for 4 days before it died, and this RAM had been in there previously. It ran overclocked with both. At least with the 76.10 drivers, my temps are closer to normal, 57C
 
shadowbreaker513 said:
The stick of RAM that died had been in there for 4 days before it died, and this RAM had been in there previously. It ran overclocked with both. At least with the 76.10 drivers, my temps are closer to normal, 57C
Click to expand...

The reason I asked to was to see if maybe the AGP bus speed had changed unintentionally. I once bumped my DDR from 133 to 166, set the CPU to match, forgot to adjust the AGP divider. :eek:
 
2Fresh said:
I would format bro. :(
And the 71 are known to increase temps.
Click to expand...
*sigh*

Looks like I'll have to. Good thing my computer has been down most of the time since I reformatted last and I haven't accumulated much of anything.

Any suggestions on which drivers I should use?
 
One additional suggestion for ya...

Reset everything to stock speeds. Default. No OC. That way, with a clean format, you rule out your software and the hardware (as it was designed to work) from the equation.

Remember, OCs are nice... but not guaranteed. :)

Good luck.
 
Everything is at stock speeds. Or do you mean don't overclock after I reformat. If I didn't plan on overclocking after I reformat, I wouldn't do it to begin with.
 
Sorry for the confusion,

What I meant is after the format, leave everything at stock. Load games, apps, etc, and see if the same problem show up. That way, witha clean OS/APP load, you are able to determine whether your problem is software or hardware.

If everything checks out, then start to OC, and see if just possibly it might have been too aggressive of an OC.
 
FUCK riva for overclocking. ITs Powerstrip u should be using. Screw autodetecting. Push it to the limit Powerstrip.
 
I've been using Coolbits.

Now somebody explain this to me.

My Patriot XBL RAM came back from an RMA today. I installed the stick and booted up my computer. Just for the hell of it I decided to try it one last time. I'll be dammed, went to 418/1100 no problems. Also the temps are DOWN from stock speeds on the desktop. It is now happily sitting at 54C-55C and a load temp of around 70C. Now I just have to get a new moniter. This low-ass 75Hz refresh rate is murder on my eyes.
 
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