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Windows 7: Oc 4870

06 Oct 2009   #1
Gilly

 
Oc 4870

im trying to overclock my gpu (4870) and need some advice on the subject.Ive tried using an option in my bios but doesnt seem to actually oc the thing.
ive alo tried amd gpu clock tool but get this error when setting the clock speedsOc 4870-capture.png


does anyone know the best tools for oc'''ing the 4800 series


i want too see how far it will go and if its worth getting aftermarket cooler for it..

ccc lets me oc it too----gpu clock,790-----memory clock,,1100 but like ive said id like to push it further


help much appreciated.............................




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06 Oct 2009   #2
ccatlett1984

 

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06 Oct 2009   #3
Gilly

 

just tried that but get this message on start upOc 4870-capture.png




and the program opens and the sliders are greyed out


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06 Oct 2009   #4
ccatlett1984

 

let me get back to you on that error, i have it working on my computer. forgot what i did.
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06 Oct 2009   #5
mickey megabyte

ultimate 64 sp1
 
 

my favourite ati tweaking tool is ati tray tools.

the latest beta, download link above, works fine on my 64 bit...
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08 Oct 2009   #6
Gilly

 

thanks "mickeymegabyte" that is a great little tool
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08 Oct 2009   #7
mickey megabyte

ultimate 64 sp1
 
 

it sure is!
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09 Oct 2009   #8
ccatlett1984

 

I updated the link in my post. ATITool is now depreciated, its been replaced by "gputool"
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09 Oct 2009   #9
whest

XP, Vista, W7 64bit Home Premium
 
 

I have a 4870 1gb and the memory on the 1gb will only go to about 995 and artifacts somewhere between 995 and 1000 - however with riva tuner the gpu will clock beyond 850 from 750 - i was kind of happy with this, but found some issues after using the tv out function in ati overdrive, but i think if you steer clear of overdrive you could be successful. Firstly disable ati overdrive download riva tuner 2.24c and install - find your way to the low level overclocking and fan adjustment part and make sure you reboot when it asks you to for both oc gpu and fan control defaults - i think your memory should do between 1100 & 1200 or close to and the gpu i cant remember either, but take it up in increments of 5 to start, and when you get to artifacts go back about 15 and to be on the safe side.
The 4870 will oc nicely, but not all games repond to oclocking the graphics, as some are cpu limited, and only respond when you stretch the cpu, which is a shame, but from what i can gather, and from some of the benchmarks -crossfire will responds in some of these cases.
Go to the download section at the below site for riva tuner, and any other utilities :
nVIDIA Geforce 285 260 9800 275 295 GT GTX AMD ATI Radeon HD 5870 5850 4850 4890 X2 - Guru of 3D: PC Hardware Reviews
My System SpecsSystem Spec
09 Oct 2009   #10
Christopher

Windows 7 Ultimate 64-Bit / Ubuntu 10.04
 
 

Make sure that you allow Windows to used unsigned drivers as well. To do this restart and press F8 to get the boost screen and then scroll down to Disable Unsigned Driver ...... or whatever it says there.

Boot Windows and try again.

I would use RivaTuner to OC, it has a great built-in monitoring system. For stability I would use FurMark.
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 Oc 4870




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