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

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Hyde`fK
post Jul 7 2008, 01:48 PM
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What's the default vGPU BTW? 1.1v or 1.15v?
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ben3003
post Jul 7 2008, 02:48 PM
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1.5v is for MSI bios, normal is 1.1v, i got a 4850 bios from tweaker at techpowerup. 160/500 idle, 720/1000 1.2v at load.
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rlhc17
post Jul 7 2008, 02:58 PM
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Pencil it a bit more..... now 3d Vgpu=1.33vgpu drool.gif

Sapphire HD4850 running 840core 1200mem

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ben3003
post Jul 7 2008, 03:41 PM
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NIce nice!!

Added on July 7, 2008, 6:11 pmThe clock i am using is currently stable, 720/1000. Maybe later will try 720/1050.

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glock88
post Jul 11 2008, 08:28 PM
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does vmod for the core helps stabilizing the rams too?? like when u do pencil mod.. its for the core only rite? or is it including the rams
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ben3003
post Jul 11 2008, 08:29 PM
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u can pencil mod Vmem, it will help to stablize memory clock.
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glock88
post Jul 11 2008, 08:31 PM
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oh i see. lol i almost thought u cant vmod for the mem.
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sukhoi37
post Jul 11 2008, 08:33 PM
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QUOTE(rlhc17 @ Jul 7 2008, 02:58 PM)
Pencil it a bit more..... now 3d Vgpu=1.33vgpu drool.gif

Sapphire HD4850 running 840core 1200mem
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****!
Stop tempting me... vmad.gif mad.gif cry.gif
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bugpakoo
post Jul 11 2008, 09:25 PM
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wow..this card seem interesting....gonna get it soon happy.gif
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AMDAthlon
post Jul 11 2008, 10:43 PM
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Mine 750/1050 not stable sia..Got artifacts.Is it not enough voltage?
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ben3003
post Jul 11 2008, 11:31 PM
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750/1050?? U gotta be kidding me haha. Unless u are doing Vmod, u wont abit to get that stable.
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rlhc17
post Jul 12 2008, 04:35 AM
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QUOTE(sukhoi37 @ Jul 11 2008, 08:33 PM)
****!
Stop tempting me... vmad.gif  mad.gif  cry.gif
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More to come biggrin.gif
Get ready ur pencil,dmm & $$$ drool.gif
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AMDAthlon
post Jul 12 2008, 09:17 AM
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How i wish there is a software for GPU to increase Voltage.
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ben3003
post Jul 12 2008, 10:39 AM
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i currently cannot increase my clock using bios, dont know why, i already flashed it with the bios that have higher clock, but nothing happens. I tried using GPU-Z to retrieve the bios and it is the changed bios, but i wonder why the clock speed never change. And the Overdrive cannot be closed or lock back edi.
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rlhc17
post Jul 12 2008, 01:18 PM
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QUOTE(ben3003 @ Jul 12 2008, 10:39 AM)
i currently cannot increase my clock using bios, dont know why, i already flashed it with the bios that have higher clock, but nothing happens. I tried using GPU-Z to retrieve the bios and it is the changed bios, but i wonder why the clock speed never change. And the Overdrive cannot be closed or lock back edi.
*



flash it back to stock bios use AMD GPU tools 0.98 to OC smile.gif
CCC only allowed u to oc to around 10% from stock more than that it will locked

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ben3003
post Jul 12 2008, 01:39 PM
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i am using flashed bios one, now ok oleidi can boot at 720/1000. I put 720/1025 the card will lockup. But weird is at 690/1050 the card can run, but 720/1025 oleidi lock up.
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ryugan
post Jul 13 2008, 07:26 AM
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QUOTE(ben3003 @ Jul 12 2008, 01:39 PM)
i am using flashed bios one, now ok oleidi can boot at 720/1000. I put 720/1025 the card will lockup. But weird is at 690/1050 the card can run, but 720/1025 oleidi lock up.
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no 4870 thread ? sad.gif
bout oc this baby?
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daze
post Jul 14 2008, 01:52 PM
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yeah...can we include 4870 here as well??
instead start another topic?
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arayz
post Jul 14 2008, 06:14 PM
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can use atitool?

Added on July 14, 2008, 6:17 pmwhen i bought this card the seller sid theres a article in internet that can increase the 4850 fan speed.. anyone heard bout this? care to share?

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Hyde`fK
post Jul 14 2008, 06:34 PM
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QUOTE(ben3003 @ Jul 12 2008, 01:39 PM)
i am using flashed bios one, now ok oleidi can boot at 720/1000. I put 720/1025 the card will lockup. But weird is at 690/1050 the card can run, but 720/1025 oleidi lock up.
*


You need more vGPU to run at higher clock eh. Pencil mod it. brows.gif
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