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Old 12-09-2011, 11:57 AM
rahikumar rahikumar is offline
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Join Date: Nov 2011
Posts: 53
Default HP dv7 2000 series w/ ati hd4650 overlcock

I've found something wich Hp dv7 owner gonna like!
After some test's and try, i discovery the our ati hd4650 can be a beast!
everybory who try, know this GPU is quite limited, is a DDR3 with 667 memory and dont go too far with overclock(max i found is 645/730 with no artefacts), but what i found?
I discovered one VGA bios from ACER of this GPU its compatible with our motherboard! so? i extracted the FD bios file this Acer vga bios with a tool calle'd Phoenix mod tool and change from original hp7 bios file (*.FD file)

Result? Now i have mine gpu up to 800mhz (really ddr3) STABLE!!!!!
the temps its not too higher.
mine 3dmark06 up from ~6000 to 7300+++++
and temps dont go too far after 1 night (6hours) running my gpu temps never pass from 79ºc :| lol
i think that info is a big achievment for ati mobility hd4650, we can give'em new life!

there is some photos:
acctual temperatures idle w/out cool pad

http://etiko.webs.com/Gpu%20idle%20temp.png

3dmark06 test 600@800mhz
http://etiko.webs.com/acerbios600-800%20stable.png

3dmark06 test 670@870mhz
http://etiko.webs.com/acerbios670-870%20stable.png

see for your self ppl!



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