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Memory Overclocking Problem

post #1 of 8
11/7/06 at 1:31pm
Thread Starter 
I have had my GeForce GO 7800 GTX in my system and overclocked at the same settings 450/1200 for about a year now, but just today I noticed my temps to be a little high, idle was 66, not normal, it's usually about 58 or so. When I looked at my clock settings, the memory clock was set at 2.4 GHz. I used the same .iso image that everyone else did, so I don't know what the issue is, something quadrupled the memory clock speed. Can anyone PM me a new .iso image containing clock speeds that may counter this issue?

I don't know if it is my drivers or what, but this wasn't an issue a month ago.

Let me know what you guys think.

Thanks,

Matt
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post #2 of 8
11/7/06 at 1:41pm
I believe that since it's DDR2 memory, the speed is going to show 2.4Ghz or something like that...

1200x2 = 2400 or 2.4 Ghz

I think I noticed that on my 7800GTX as well since I have it overclocked.


Maybe it is time to clean out your fans.
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post #3 of 8
11/7/06 at 2:28pm
Thread Starter 
I don't think it is my fans being dirty, I took this thing apart around a month ago.

As for the memory issue being because of DDR2 Ram, I don't think that is the case, my memory clock used to read @ 1200, but now is reading at 2400.

Is this common, if so, is there a way to fix it?

Thanks,

Matt
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post #4 of 8
11/7/06 at 2:59pm
Your memory can't be running at 2.4 ghz for real; no memory will run that fast and if you tried it would not even boot. If you haven't changed your bios flash then there is also no way that your memory clock could have physically changed. Did you change drivers recently? If so, it might be an error in the drivers that is reporting the value back incorrectly. If your temps are going up, it could be that either the thermal paste is starting to dry up and go bad or that your fans, even if they're not dirty, could be running at a lower rpm. Are you running i9kfangui or anything like that?
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post #5 of 8
11/7/06 at 3:25pm
It's a bug in the drivers. Revert back to the 92 series and it'll go away. Your memory is not actually at 2.4ghz. It's still at 1.2. You're probably using the 93.71 driver set? Don't, cause it sucks :P A lot of people seem to having problems with those drivers. Both on LV2Go and with the XtremeG drivers here.
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post #6 of 8
11/8/06 at 4:02am
Quote:
Originally Posted by thesnowman2006
I have had my GeForce GO 7800 GTX in my system and overclocked at the same settings 450/1200 for about a year now, but just today I noticed my temps to be a little high, idle was 66, not normal, it's usually about 58 or so. When I looked at my clock settings, the memory clock was set at 2.4 GHz. I used the same .iso image that everyone else did, so I don't know what the issue is, something quadrupled the memory clock speed. Can anyone PM me a new .iso image containing clock speeds that may counter this issue?

I don't know if it is my drivers or what, but this wasn't an issue a month ago.

Let me know what you guys think.

Thanks,

Matt

Hey, at least you CAN overclock that high with yours... I can't go past 440/1150! I even get sporadic artifacts once in awhile at 440/1150. I got a lemon of an overclocker, LOL!
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post #7 of 8
11/8/06 at 5:49am
I noticed this since moving to 93.71. Other than that the drivers seem to be fine, and i also heard it was a change made to accurately compare with SDRAM cards as DDR would be 2x as fast.. i don't know though.. seems sort of strange to say it is twice what it actually is. Wouldn't the case be that DDR3, or DDR ram running at 1200mhz would be equivalent to SDRAM running at 2400?

incidentally my 6800's optimal frequencies are now core: 374mhz, memory: 1.34Ghz
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post #8 of 8
11/8/06 at 9:19am
Quote:
Originally Posted by vicious77
I noticed this since moving to 93.71. Other than that the drivers seem to be fine...

I'm experiencing the same issue. Good to know it IS a bug, though I immediately didn't believe the number, especially since it was exactly double the correct speed.

Since we're not overclocking via softmods then it could say 100ghz/24,000mhz and it still will be running whatever we set the video card's bios to.

Otherwise the drivers seem to be working fine for me.
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