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Overclocking Hd 4200 igp

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February 13, 2010 6:04:00 PM

I currently have it overclocked at 850 mhz and was wondering if i can clock it any higher. I have an Asus M4A785TD-V EVO/US36 motherboard. If you need more info tell me.

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February 14, 2010 12:45:14 AM

Simple answer, probably not. You're at a 350mhz overclock as it is, you're not going to be able to push much further, as it is watch your temps, if you want more speed then get a real graphics card.

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February 28, 2010 6:48:26 PM
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Wow! Impressive! What voltage are you feeding that monster? I'm running the same chipset on a different board (with lower temps) and I can't push higher than 750mhz with a .06v increase. I could definately push the voltages harder, but I haven't tried.

At 800mhz I have the driver crash running the "Heaven" benchmark.

Increasing from my board's stock 650mhz to 750 (+.060v) gives me a 8.65% increase in FPS, and takes me from 263 to 283 points (I'm running a 640x480 dx10 AF1 AA0 benchmark)

EDIT: Whoops, I forgot AOD manages the NB Voltage as well, and my auto-settings were removed by AOD once I got into windows.

I set AOD to +.060 NB Voltage (1.168v total) and the bios to 800mhz. I finished a low res Unigine Heaven benchmark with a 11.5% increase over the 650mhz "stock" (overclocked) speed! This is great for me! :) 

I've not confirmed this to be stable by any means, it was just stable enough to run a benchmark. I'm going to run a 3dMark06 benchmark, reclock it to 500 (stock, not overclocked) and do that again to get a total overclocking increase.

I'm running a blog at wordpress:
http://chisleu.wordpress.com/2010/02/28/overclocking-in...

I'm keeping it updated with my AMD AM3 Phenom II X4 955BE / HD 4200 / HD 5830 overclocking experiences/info/results.

I will keep adding more links to it as well. Kind of a go-to resource for me when I want to find info I forgot. haha :) 
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March 7, 2010 12:23:11 AM

I set it on the BIOS with 1.35v and 850 mhz but i think the actual clock is really 793 not to sure. I do know where i got the info was here at Tom's Hardware though.
March 7, 2010 12:25:49 AM

Best answer selected by Aronk.
March 7, 2010 10:37:51 AM

I highly recommend backing your NB voltage down and using 800mhz with sub-1.2v just for heat reasons. 1.35v, while it may not be terribly dangerous, is going to heat up your NB a ton. If you don't have a fan on that heatsink it can overheat and fry your board.
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