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1000+ Mem on x800???

post #1 of 12
2/17/05 at 11:41am
Thread Starter 
Hey there all,

I have had my EX7 since Monday, been tweaking tha hell out of it and benching the hell out of it.

Vrod claims (and don't think i'm calling him a liar, im ABSOLUTLY not) to have OC'ed his x800 to over 1000 mem.... I have tried this.... and when i get up ther eand tell ATiTool to set clock, the card fritzes out, my vodeo goes nuts, i get vertical lines on the screen and have to reboot??? lol.

So, im wondering what im doing wrong? can anyone give advice?

Thanks...
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post #2 of 12
2/17/05 at 11:57am
Vrod also claims to have applied a bunch of extra arctic silver 5 to the card to get those marks. It's probably not something you're doing wrong, I couldn't get that high with my x800 stock either. I'd put on more AS5 if I wasn't going to return my lappy to go with the 6800 (and a screen with no stuck pixels.)
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post #3 of 12
2/17/05 at 12:38pm
Also when achieving the Highest possable OCing you must alway do a burn in. that means OC slowly and keep increaseing by small incriments every few days or so. If you just crank it up you run into many more problems that way
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post #4 of 12
2/17/05 at 1:20pm
OCing is not an exact science, either. It's pushing hardware to the edge of it's limits. Limits that vary from piece to piece. You're memory just can't handle it.
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post #5 of 12
2/17/05 at 2:04pm
Quote:
Originally Posted by lucidchaos
Vrod also claims to have applied a bunch of extra arctic silver 5 to the card to get those marks. It's probably not something you're doing wrong, I couldn't get that high with my x800 stock either. I'd put on more AS5 if I wasn't going to return my lappy to go with the 6800 (and a screen with no stuck pixels.)

From what I understand, there is an optimal amount of thermal paste to apply, putting on more just makes it worse.
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post #6 of 12
2/17/05 at 3:33pm
Thread Starter 
Quote:
Originally Posted by lucidchaos
Vrod also claims to have applied a bunch of extra arctic silver 5 to the card to get those marks. It's probably not something you're doing wrong, I couldn't get that high with my x800 stock either. I'd put on more AS5 if I wasn't going to return my lappy to go with the 6800 (and a screen with no stuck pixels.)
This cannot be the reason... Thermal Paste is only supposed to be applied in a VERY thin/even spread. If you put on too much you will loose the bond between processor and Heat Sink resulting in a much hotter CPU. So I cannot see applying a heavy coat of AS5 as the answer.

Like I said my MEM is in the upper 400's. If his were even within a few hundred point mabye... But he is nore than doubeling my MEM Rate?

Something is not right.
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post #7 of 12
2/17/05 at 3:38pm
Quote:
Originally Posted by Gromet
This cannot be the reason... Thermal Paste is only supposed to be applied in a VERY thin/even spread. If you put on too much you will loose the bond betewwn processor and Heat Sink resulting in a much hotter CPU. So I cannot see applying a heavy coat of AS5 as the answer.

Like I said my MEM is in the upper 400's. If his were even within a few humdrd point mabye... But he is nore than doubleing my MEM Rate?

Something is not right.
You're right... thermal paste has to be applied VERY thinly. Some people don't understand this, and actually hamper their CPU by applying too much. Thermal paste isn't as good at heat conducting as metal is, but it's much better than air... what thermal paste is suppose to do, is fill in the microscopic holes that exist between the heatsink and CPU so there is more contact between them.
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post #8 of 12
2/17/05 at 3:42pm
Quote:
Originally Posted by Gromet
This cannot be the reason... Thermal Paste is only supposed to be applied in a VERY thin/even spread. If you put on too much you will loose the bond betewwn processor and Heat Sink resulting in a much hotter CPU. So I cannot see applying a heavy coat of AS5 as the answer.

Like I said my MEM is in the upper 400's. If his were even within a few humdrd point mabye... But he is nore than doubleing my MEM Rate?

Something is not right.
He is not doubling your mem rate at all

yours is running at 400 hence double data rate 800 only 200 short of the thousand your aiming at

i hope you are not trying to run yours at 1000 hence 2000

cause that will surley burn that mem out very quickly indeed
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post #9 of 12
2/17/05 at 3:50pm
Thread Starter 
Quote:
Originally Posted by Slakerr
He is not doubling your mem rate at all

yours is running at 400 hence double data rate 800 only 200 short of the thousand your aiming at

i hope you are not trying to run yours at 1000 hence 2000

cause that will surley burn that mem out very quickly indeed
Than his sig should actually read 490/501 ??? Why write 1002? Even in ATITool he is only going to 501....

thats a different story now!
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post #10 of 12
2/17/05 at 3:51pm
Exactley
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post #11 of 12
2/17/05 at 4:40pm
oh man...
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post #12 of 12
2/17/05 at 5:50pm
The "doubling" is because of the "double data rate" memory (DDR). The memory runs effectively double the speed of the actual clock, which is why many people put that value doubled so that it either a) looks more impressive, or b) is proportional to what single data rate memory would run at to achieve the same speed.

Since we're comparing apples-to-apples, there's not really a need for it.
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