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hd4850 overclock help

Last response: in Graphics & Displays
August 21, 2008 7:55:14 AM

i have an asus hd4850 card with an accelero s1 (rev 2) using zalman heatsinks and a 120mm fan attached.

the highest stable overclock i can get is around 680/1050 which is the same with stock cooling. is there something i must do to get 700 or past 700 clock, like pencil modding or something? :\

More about : hd4850 overclock

August 21, 2008 3:10:46 PM

i believe amd limited it to 680 in the driver.
August 24, 2008 9:52:03 PM

nope that is not the limit because i use stock cooler on it and mine runs at

690/1118 i don't know how stable it is in games yet but i have one question when i change the fan speed in the thingy and save it the clock speeds reset how do i save those

edit: i am now trying 680/1110 because 690/1118 was not stable
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August 24, 2008 10:16:19 PM

not all cards clock the same exact speed. it will be very close tho. ur oc is fine and i wouldnt push it to hard because the 4850 isnt known to stay cool.
August 24, 2008 10:35:16 PM

that is for shure im back at default setting now because it can't cool well it keeps crashing when its overclocked and all im playing on it is teamfortress 2 on it with all hi and AA X4