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Gainward 6800GT - OverClocking

depending on what your idle/load temps are i would say it would be able to go to ultra speeds 400/1100 as my leadtek can go to 420/1150.

download rivatuner and run 3dmark or a game and check your temps first tho,
but im sure a gainward would be able to get atleast ultra speeds
 
Jacob334 said:
depending on what your idle/load temps are i would say it would be able to go to ultra speeds 400/1100 as my leadtek can go to 420/1150.

download rivatuner and run 3dmark or a game and check your temps first tho,
but im sure a gainward would be able to get atleast ultra speeds

Thanks Jacob334,
what does rivatuner do ! ?
If it is a Over Clocking software, then i have Cool Bits, which is a Nvidia Over clocking kit.
it has slide bars to allow me to change the core & memory settings.

That is some fast settings on your VGA.
Do you not get problems when playing BF2 ?
 
Set your core speeds in increments of 20MHz at a time using the "Clock frequencies" in the Advanced tab of display propoerties is you are using coolbits.

Then test using 3dMark ( go through it a cpouple of times back to back). If all is stabble and you get no funny looking objects on your screen, then increase the speed as above (so to speak) until it becomes unstable.. When it's unstable, go backwards until it becomes stable again..

to go any higher, you may need to change the supplied voltages and for that you need a decent cooler..
 
Admiral Huddy said:
Set your core speeds in increments of 20MHz at a time using the "Clock frequencies" in the Advanced tab of display propoerties is you are using coolbits.

Then test using 3dMark ( go through it a cpouple of times back to back). If all is stabble and you get no funny looking objects on your screen, then increase the speed as above (so to speak) until it becomes unstable.. When it's unstable, go backwards until it becomes stable again..

to go any higher, you may need to change the supplied voltages and for that you need a decent cooler..

thanks Admiral Huddy,
I will increase the Ovewr clocking in steps of 20mhz on the core clock, and run 3D Mark. Should / Can I change the memory clock to higher speed ! ?
What benefit will I get from the increase in memory clock ! ?
I thing the CoolBits comes with temp monitoring, so i check the temp increases on the 6800GT.
What cooler should I get as a upgrade replacment ?
many thanks
 
Tysonator said:
thanks Admiral Huddy,
I will increase the Ovewr clocking in steps of 20mhz on the core clock, and run 3D Mark. Should / Can I change the memory clock to higher speed ! ?
What benefit will I get from the increase in memory clock ! ?
I thing the CoolBits comes with temp monitoring, so i check the temp increases on the 6800GT.
What cooler should I get as a upgrade replacment ?
many thanks

You can try increasing the memory by very small increments.. It's trial and error i'm affraid.. there are no fixed rules. What works for one may not work for another.. If you get problems, you can always change the settings down.

The temp monitor is a feature of the Nvidia drivers anyway.. so are the clock/memory settings.. Coolbits just unlocks them.. How kind of them :)

As for cooling ..

Arctic Cooling NV5 Rev.3 (6800 Series) VGA Silencer (HS-009-AR)

or

Artic Cooling Accelero X1 Cooler (6800/7800 Series) (SY-001-AR)

both a cheap and superb coolers :)
 
Admiral Huddy said:
You can try increasing the memory by very small increments.. It's trial and error i'm affraid.. there are no fixed rules. What works for one may not work for another.. If you get problems, you can always change the settings down.

The temp monitor is a feature of the Nvidia drivers anyway.. so are the clock/memory settings.. Coolbits just unlocks them.. How kind of them :)

As for cooling ..

Arctic Cooling NV5 Rev.3 (6800 Series) VGA Silencer (HS-009-AR)

or

Artic Cooling Accelero X1 Cooler (6800/7800 Series) (SY-001-AR)

Thanks for the info on the coolers.
I think I will invest in one

I will have a gone at incrementing the core clock in 20 point increments.
Shall I run the Ed Mark each time.
Also what software monitoring programe is there that can show FPS while i am playing on line ?
both a cheap and superb coolers :)
 
Got my first gen GT up to 420/1120. Got water on it for the quietness but you'll get that on air too.

Wonder if theres anyway I can up the voltage on the core to see how far I can push it :D
 
bilston said:
Got my first gen GT up to 420/1120. Got water on it for the quietness but you'll get that on air too.

Wonder if theres anyway I can up the voltage on the core to see how far I can push it :D

Are you using the CoolBits software, as i am not sure if voltage is adjustable in there, if in BIOS I would think.
I will be glad if I can get my 6800GT up to 420 ! ! ! :cool:
 
I just used the Nvidia clocking tool, one thing i dont think anyone said was to make sure your 2d and 3d clocks are the same.

Bf2 is a very dodgy game for me if i overclock my card too much, so you might be able to run 3dmarkxx all day long, then play bf2 and it crashes. I would say to keep your clocks to around 400/410 and 1100/1150 for the best stablility.. But like people have said it depends on the card and its just pot luck sometimes..

good luck :)

Jacob
 
I've got an XFX 6800gt my clock speed is up at 430 but cant get the memory past 1050, i've got a A/C x1 installed and it makes the refrence cooler sound like a jet engine in comparison.
Idle temp 31 deg
full load 41 deg
 
Last edited:
daviebhoy said:
I've got an XFX 6800gt my clock speed is up at 430 but cant get the memory past 1050, i've got a A/C x1 installed and it makes the refrence cooler sound like a jet engine in comparison.
Idle temp 31 deg
full load 41 deg
Have you tried a demanding game like Oblivion? I've got the ace Leadtek cooler/card and it's around 50 on full load for everything apart from Oblivion which goes the wrong side of 70! As soon as you alt-tab or quit it instantly drops 10C though.
 
kalniel said:
Have you tried a demanding game like Oblivion? I've got the ace Leadtek cooler/card and it's around 50 on full load for everything apart from Oblivion which goes the wrong side of 70! As soon as you alt-tab or quit it instantly drops 10C though.

I don't play oblivion but on fear, BF2, HL2 and Farcry it never goes over the low 40s.
How would I go about volt modding this card and would I see much of an improvment in performance?
 
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