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

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OC4/3
post Jul 4 2008, 08:51 PM
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Vmod can allow you to clock higher and help stabilize higher clock.I guess vmod will give you another 100mhz brows.gif
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ben3003
post Jul 4 2008, 09:09 PM
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But i don dare to Vmod, void warranty le... CAn i rub off the the pencil stain if i don need it anymore? How about add voltage thru bios?
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IcEMoCHa
post Jul 4 2008, 09:11 PM
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QUOTE(ben3003 @ Jul 4 2008, 09:09 PM)
But i don dare to Vmod, void warranty le... CAn i rub off the the pencil stain if i don need it anymore? How about add voltage thru bios?
*


pencil mod even worst cuz hard to tune the voltage.. use resistors can desolder and send for warranty...
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coolice
post Jul 4 2008, 09:28 PM
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QUOTE(ben3003 @ Jul 4 2008, 09:09 PM)
But i don dare to Vmod, void warranty le... CAn i rub off the the pencil stain if i don need it anymore? How about add voltage thru bios?
*


bios voltage mob not working..
pencil mod,measure the stock resistance first and after done pencil mod
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ben3003
post Jul 4 2008, 09:53 PM
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oh, where to get the conductor pen? I heard they say use pen the thickness of the strip u applied will affect the voltage, i no multimeter also. Can recommend any? So coolice, my score ok bo?
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coolice
post Jul 4 2008, 10:01 PM
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QUOTE(ben3003 @ Jul 4 2008, 09:53 PM)
oh, where to get the conductor pen? I heard they say use pen the thickness of the strip u applied will affect the voltage, i no multimeter also. Can recommend  any? So coolice, my score ok bo?
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at tat clock speed,me and longsiew(vrzone) got similar score for sm2 and sm3..ur cpu bottlenecking perhaps?

This post has been edited by coolice: Jul 4 2008, 10:02 PM
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rlhc17
post Jul 4 2008, 10:15 PM
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ATI HD4850 pencil modded to Vgpu 1.26v & Vmem 2.1v
Running@785core 1200mem

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coolice
post Jul 4 2008, 10:26 PM
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1.26v idle or load boss? biggrin.gif
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ben3003
post Jul 4 2008, 11:31 PM
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wah nice nice. Can u try 3dmark vantage?

Added on July 4, 2008, 11:32 pmBut how come my vantage score like 1k higher than urs?

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rlhc17
post Jul 4 2008, 11:56 PM
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QUOTE(coolice @ Jul 4 2008, 10:26 PM)
1.26v idle or load boss? biggrin.gif
*



1.26v load 3D
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ben3003
post Jul 5 2008, 12:15 AM
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I have heard about MSI bios is giving higher voltage, is it true? And can my sapphire flash to MSI bios? I scare like last time i flash my 9600gt from galaxy to evga one and it screw things up sad.gif
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coolice
post Jul 5 2008, 12:16 AM
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QUOTE(ben3003 @ Jul 4 2008, 11:31 PM)
wah nice nice. Can u try 3dmark vantage?

Added on July 4, 2008, 11:32 pmBut how come my vantage score like 1k higher than urs?
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tats the part i don understand..zzz..gonna try 32bit 2008 next week
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ben3003
post Jul 5 2008, 12:35 AM
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Lolz.. another thing is, seem like my Vantage GPU score are better than most of the review site, even they have superior CPU, i also dunno why haha. I went to saw those ppl score, mine also slight higher lolz.

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k3et
post Jul 5 2008, 03:50 AM
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anybody tried to overclock 4870?
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post Jul 5 2008, 04:10 AM
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QUOTE(ben3003 @ Jul 4 2008, 09:36 AM)
I cant run 3dmark06 at 700/1100, keep on say wat ati driver got error, so i ran it at 690/1100.
3dmark score: 11540
SM2.0: 5044
Sm3.0/HDR: 6113
CPU score: 2334


i'm on XP.

680 / 1050 - 3dmark06 i get 11892

my processor is a little faster than yours i suppose, E2140 @ 3.2ghz.

unfortunately 680 / 1050 doesn't pass lost planet test. sad.gif

default fan speed. is yours on default fan speed?
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ben3003
post Jul 5 2008, 09:02 AM
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mine is on accelero s1+xigmatek 120mm fan running at full speed i think becos i straight plug into the molex one. Ur processor owes pull out better 3dmark06 score. But i think 3dmark a little bit processor dependant, when processor is better, the sm2.0 sm3.0 mark sure pull up by 300-400 one. Like if i oc my proc to 3.0ghz, sure i can get better score. But my PSU not enuf juice for me to oc both the card. Btw, i uploaded MSI bios that techpowerup forum said it come with higher voltage than normal one.

Added on July 5, 2008, 11:15 amanother question is, is e2160 more powerful than e6300? Or only faster in benchmarking but not in gaming? I tot 2160 only have 1mb cache while e6300 have 2mb cache.

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post Jul 6 2008, 08:59 AM
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mine cannot get past 675/1050..
700/1100 fails artifact scanning, btw im waiting for factory oced 4850 bios, maybe the vgpu is higher
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ben3003
post Jul 6 2008, 09:58 AM
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Tweak ur bios, use 1.2v. NOw my 1.2v rock stable i think, becos before that, i cant run 3dmark06, stuck at the firefly there, last night i change to 1.2v, it ran 3dmark06 sucessfully.
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coolice
post Jul 6 2008, 10:07 AM
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QUOTE(ben3003 @ Jul 6 2008, 09:58 AM)
Tweak ur bios, use 1.2v. NOw my 1.2v rock stable i think, becos before that, i cant run 3dmark06, stuck at the firefly there, last night i change to 1.2v, it ran 3dmark06 sucessfully.
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bios voltage mod actually working??
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ben3003
post Jul 6 2008, 10:42 AM
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It worked until 1.2v and not higher than that, U can try and see, i dont have multimeter to see it really works or not. I saw ppl from techpowerup forum said so and they tested it. Normally the card only hit 1.1-1.5v.

Added on July 6, 2008, 10:43 amMy card black out at 700/1100 when playing age of conan lolz. Probably more Vmem is needed for 1100 to rock stable. I gonna try 700/1050 for the time being.

This post has been edited by ben3003: Jul 6 2008, 10:43 AM
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