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> ATI HD4850 Overclockers' United, welcome to the Darkside overclocking!!

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chchyong89
post Sep 27 2009, 11:24 AM
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GPU core voltage decrease to 0.97v load 0.93v idle to avoid any unnecessary power waste and heat dissipation. wub.gif
GPU 700Mhz
RAM 1200Mhz

HIS HD4850.. stock cooler.

This post has been edited by chchyong89: Sep 27 2009, 12:34 PM

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ask8900
post Sep 29 2009, 03:13 AM
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QUOTE(chchyong89 @ Sep 27 2009, 11:24 AM)
GPU core voltage decrease to 0.97v load 0.93v idle to avoid any unnecessary power waste and heat dissipation. wub.gif
GPU  700Mhz
RAM 1200Mhz

HIS HD4850.. stock cooler.
*


nice man 700mhz an 1200 so low the core voltage 0.97 only ...
my 1 700 1000 ide 1.05 load 1.12v lo = = how u do it so low the voltage ?
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tech3910
post Sep 29 2009, 04:27 AM
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QUOTE(bad melatonin @ Sep 26 2009, 09:07 PM)
yep. u can owes put bk d stock cooler if u wanna sent it for rma. however, if theres "tamper evidence seal" intact, then u can 4get bout warranty.
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my last 4870, i notice there r "glu-ish" mark on the ram chip, after i swap to non reference cooler.
i use fingernail polisher to remove it b4 RMA........ biggrin.gif
QUOTE(ask8900 @ Sep 29 2009, 03:13 AM)
nice man 700mhz an 1200 so low the core voltage 0.97 only ...
my 1 700 1000 ide 1.05 load 1.12v lo = = how u do it so low the voltage ?
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i suggest use ATT
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kunyit_kampung
post Sep 29 2009, 09:52 AM
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how do u guys oc this cad without having temperature problem mate,my card noe is burning hot with90c when i play games,dammmm hot
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chchyong89
post Sep 29 2009, 01:22 PM
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QUOTE(ask8900 @ Sep 29 2009, 03:13 AM)
nice man 700mhz an 1200 so low the core voltage 0.97 only ...
my 1 700 1000 ide 1.05 load 1.12v lo = = how u do it so low the voltage ?
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by flashing the bios..
newest update is, 0.93v also work without problem with 700mhz||1200Mhz
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OC4/3
post Sep 29 2009, 02:57 PM
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Sub Zero Cooling FTW
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QUOTE(kunyit_kampung @ Sep 29 2009, 09:52 AM)
how do u guys oc this cad without having temperature problem mate,my card noe is burning hot with90c when i play games,dammmm hot
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High Fan Speed and Good Casing Ventilation
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mruzian
post Sep 29 2009, 03:19 PM
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QUOTE(kunyit_kampung @ Sep 29 2009, 09:52 AM)
how do u guys oc this cad without having temperature problem mate,my card noe is burning hot with90c when i play games,dammmm hot
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u could change to aftermarket HSF smile.gif
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LittleLinnet
post Sep 30 2009, 10:15 PM
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Just sharing idle temps here with HR-03 GT on idle with sapphire big fan
retired overclocker, will try overclock when I am free. Everything else is stock

stock cooler
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HR-03 GT
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kunyit_kampung
post Oct 1 2009, 11:32 AM
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mine is damm hot even in idle gigabyte HD4850


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chchyong89
post Oct 2 2009, 01:28 AM
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QUOTE(LittleLinnet @ Sep 30 2009, 10:15 PM)
Just sharing idle temps here with HR-03 GT on idle with sapphire big fan
retired overclocker, will try overclock when I am free. Everything else is stock

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mine running with stock cooler as well... HIS 4850
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^Kunyit
your one is old ati 4850 reference cooler? the fan speed is godly scary sweat.gif 8krpm

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Calvin22
post Oct 2 2009, 03:05 AM
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I think he using the old ati reference cooler .. Sure very noisy =.="
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alexkit14
post Oct 2 2009, 09:07 AM
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how many of you guys have hit a core OC of 800 and above?
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seanlimys
post Oct 2 2009, 10:19 AM
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PCXtreme_S3@nL|mY$
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my hd4850 not bad at all....48 and 42 for 1st piece and 2nd piece...oced to 700/1100..

Added on October 2, 2009, 10:20 ammy hd4850 not bad at all....48 and 42 for 1st piece and 2nd piece...oced to 700/1100..

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ashnic
post Oct 2 2009, 10:32 AM
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anyone else using vaporX 1 GB version of 4850? I am using 1 very cool..evan at 100% load get max 52.
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seanlimys
post Oct 3 2009, 07:12 AM
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wow..very good tmp
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tech_frix
post Oct 3 2009, 11:59 AM
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Boo Yah!
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can 4830 user join in r??
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seanlimys
post Oct 3 2009, 03:34 PM
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lol.same family..no prob.come come..
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flatfinger
post Oct 3 2009, 09:54 PM
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hi all...long time retired from OC...anyway no HD4870 OC user here ka?? just got my hand on Palit HD4870 Dual Sonic...here's my OC screeny...total score drop a bit maybe coz I'm running on E2140 and Win7 OS...

3DMark vantage
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3DMark 06
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8tvt
post Oct 3 2009, 11:21 PM
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don't bother the total score.. just look on gpu score..
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anep
post Oct 3 2009, 11:25 PM
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one of my twin turbo fan not functioning.. hot to fix?
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