Overclocking makes it go slow, Why?

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3 total messages Started by Duncan Boyd Sun, 03 Dec 2000 00:00

#450

Author: Duncan Boyd
Date: Sun, 03 Dec 2000 00:00

25 lines
1694 bytes

Creative Geforce Annihilator Pro DDR:

I tried overclocking the memory from the default 301.
Performance increases as expected until I hit about 320.
Then something strange happens, performance suddenly becomes worse. It
is immediately apparent in the Quake3 menu because the mouse pointer
moves very laggy. The benchmark suddenly takes twice as long to complete
and is very noticeably slower especially viewing gibs.

It is possible to continue increasing the clock up to about 370 before
artefacts start appearing, but the performance only increases slightly
and is still way below the non-overclocked state.

Then returning the clock to default levels does not reinstate the
previous performance, even after allowing time to cool. The only thing
that returns it to normal is a reboot.

So what is going on? Has anyone else seen this sort of behaviour?  

Specs:
Quake3 demo001
Nvidia driver 631
Win2k SP1, PII 450, 128MB, gigabyte 6BXD
-- 
Duncan Boyd

Re: Overclocking makes it go slow, Why?

#455

Author: StraxusII
Date: Mon, 04 Dec 2000 00:00

1 lines
889 bytes

I saw exactly the same thing on my CLAP and GF2 Ultra

Re: Overclocking makes it go slow, Why?

#453

Author: Xenostro
Date: Mon, 04 Dec 2000 07:28

4 lines
1389 bytes

I have the same behaviour with my Asus V7700 GF 2 GTS. But that�s why I
haven�t nothing changed on the cooling system. You need a more efficent
cooling  than they have orginally build in when you want to overclock the
card.

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