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

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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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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
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

This post has been edited by rlhc17: Jul 7 2008, 03:02 PM


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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
*
More to come biggrin.gif
Get ready ur pencil,dmm & $$$ drool.gif
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

This post has been edited by rlhc17: Jul 12 2008, 01:29 PM
rlhc17
post Jul 18 2008, 04:52 AM

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HD4850 max on air cooling Vcore=1.425v ; Vdimm = 2.12v

Core = 900mhz
Mem = 1200mhz

user posted image

This post has been edited by rlhc17: Jul 18 2008, 04:53 AM
rlhc17
post Jul 18 2008, 01:04 PM

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my cooler TR HR-03 with high cfm 12cm fan
full load with 1.425vcore 60+c

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rlhc17
post Jul 20 2008, 06:32 PM

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QUOTE(SkywalkerxX @ Jul 20 2008, 03:01 PM)
can i ask something..xigmatek battle axe really can be implemented on 4800 series as third party cooler ar?
*
no problem thumbup.gif
rlhc17
post Aug 1 2008, 12:55 PM

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QUOTE(AMDAthlon @ Jul 30 2008, 10:43 AM)
Mine 700/1050 not stable in Crysis doh.gif
Even 690/1040 not stable..Anyone know why?
*
u need a cooler something like this :

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user posted image

This post has been edited by rlhc17: Aug 1 2008, 12:56 PM
rlhc17
post Aug 3 2008, 02:19 PM

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Sapphire/Msi hd4850 X-fire in ac action + vmod running 825core1200mem

user posted image

This post has been edited by rlhc17: Aug 3 2008, 02:19 PM
rlhc17
post Oct 8 2008, 06:15 AM

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Sapphire HD4850 Toxic (0.8ns samsung ram chips) in action thumbup.gif

This post has been edited by rlhc17: Oct 8 2008, 06:28 AM


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rlhc17
post Oct 9 2008, 12:58 PM

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Paddle card DCCFX-P2 is to make pci-e slot to run@ 16x speed

Sappphire Toxic with 1.158 bios edit

790core 1300mem on AMD system thumbup.gif


rlhc17
post Oct 9 2008, 01:05 PM

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Paddle card DCCFX-P2 is to make pci-e slot to run@ 16x speed

Sappphire Toxic with 1.158 bios edit

790c 1300m thumbup.gif on AMD system sad.gif




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rlhc17
post Oct 9 2008, 06:45 PM

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QUOTE(ben3003 @ Oct 9 2008, 02:50 PM)
Woot nice one there.. 1300=2600 mem.. Fuiyoh!
*
Yup,Toxic very nice clock on mem
I wonder how it will clock with voltmod drool.gif
Need to wait my TR T-Rad to arrive 1st biggrin.gif
rlhc17
post Oct 10 2008, 01:36 PM

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QUOTE(celciuz @ Oct 9 2008, 06:56 PM)
Btw, with the current toxic heatsink what are the temps like during load? let's say with furmark?
*
Toxic Temp

Idle 42~43
full load 65~68


rlhc17
post Oct 12 2008, 03:55 PM

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QUOTE(seanlimys @ Oct 12 2008, 07:48 AM)
oh...but some u can directly download the bios rite?
*
yes, u can grab it here too


http://www.mvktech.net/component/option,co...tory/Itemid,26/

This post has been edited by rlhc17: Oct 12 2008, 03:58 PM
rlhc17
post Oct 15 2008, 12:28 PM

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My HD4850 + HD4850 CF

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rlhc17
post Oct 17 2008, 11:59 AM

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anybody wtb this cooler i have 1 extra unit left thumbup.gif

Thermalright T-RAD2 : http://www.thermalright.com/new_a_page/pro...oler_trad2.html


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rlhc17
post Oct 18 2008, 12:09 AM

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QUOTE(owikh84 @ Oct 17 2008, 07:21 PM)
UGPM! Where did u get it?
*
order from U.S
rlhc17
post Oct 25 2008, 11:42 PM

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max 1.158v u set will get 1.21 when running 3D higher wont't help sad.gif

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