anyone with clockspeed more than what CCC's cap experience VPU recovery while gaming (after few hours), but not while benchmarking/stressing?
ATI HD4850 Overclockers' United, welcome to the Darkside overclocking!!
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 Jan 27 2009, 01:23 AM
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Senior Member
7,740 posts Joined: Jun 2006 From: Some Yih  
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Jan 27 2009, 09:18 AM
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Senior Member
698 posts Joined: Jun 2008 
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last time i oc mine to 700/1100.always vpu recovery happen.
when i change the memory to 800.it oke again.the temperature is still the same..still wondering... hmmm |
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Jan 28 2009, 11:02 AM
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Senior Member
3,112 posts Joined: Jul 2006
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want to V-mod, but my card is not reference design, but this
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Jan 28 2009, 03:20 PM
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Senior Member
913 posts Joined: Jan 2007 From: Butterworth, Penang 
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Any PowerColor HD4850 Play user here?
 After so many post I've been through, I can see that you all can easily clock your HD4850 to 700/1100. I'm using Catalyst 8.12 downloaded from official website, and max I can go is like 680/1020 like that only. I'm using: Q6600 @ stock G31M-ES2L @ F4 bios Corsair XMS2 800 4GB @ stock CM Extreme 500w Vista Ultimate 32bit So I'm wondering is it my PSU not enough to give power if I wanted to clock the card, as well as the other hardwares? This post has been edited by Shufflerz: Jan 28 2009, 03:38 PM |
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Jan 28 2009, 03:59 PM
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Elite
5,602 posts Joined: Jul 2007 From: The Holiest Of Hole
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maybe the card itself isnt a good overclocker.
btw does anyone here have a modified bios for the 4850 Golden Sample??? |
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Jan 28 2009, 04:14 PM
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Senior Member
8,642 posts Joined: Feb 2006 From: Jelutong Penang
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QUOTE(Shufflerz @ Jan 28 2009, 03:20 PM) Any PowerColor HD4850 Play user here? ur GPU cool enuff or not?After so many post I've been through, I can see that you all can easily clock your HD4850 to 700/1100. I'm using Catalyst 8.12 downloaded from official website, and max I can go is like 680/1020 like that only. I'm using: Q6600 @ stock G31M-ES2L @ F4 bios Corsair XMS2 800 4GB @ stock CM Extreme 500w Vista Ultimate 32bit So I'm wondering is it my PSU not enough to give power if I wanted to clock the card, as well as the other hardwares?  |
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Jan 28 2009, 04:18 PM
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Senior Member
913 posts Joined: Jan 2007 From: Butterworth, Penang
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QUOTE(salimbest83 @ Jan 28 2009, 04:14 PM) ur GPU cool enuff or not? At stock clock its 57+ fully loaded. (i don't know i got see wrong or not la)My card never went up to 70+ before like what I can see some of you all did. |
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Jan 28 2009, 04:22 PM
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Elite
5,602 posts Joined: Jul 2007 From: The Holiest Of Hole
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like i said,maybe its the core itself as no chip is alike.
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Jan 28 2009, 04:36 PM
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Senior Member
8,642 posts Joined: Feb 2006 From: Jelutong Penang
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i see.. urs not that lucky la..
mine oso cant even do 690.. got artifacts when gaming. now stick to stock speed until next upgrade..  |
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Jan 28 2009, 04:41 PM
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Elite
5,602 posts Joined: Jul 2007 From: The Holiest Of Hole
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QUOTE(salimbest83 @ Jan 28 2009, 04:36 PM) i see.. urs not that lucky la.. a pencil mod or more hardcore vmod will make it to a good chip mine oso cant even do 690.. got artifacts when gaming. now stick to stock speed until next upgrade..  Added on January 28, 2009, 4:45 pmbtw whats the best bios editor for ATI card??? and what flashing tool that'll go with it??? This post has been edited by hilmiangah: Jan 28 2009, 04:45 PM |
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Jan 28 2009, 04:49 PM
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Senior Member
8,642 posts Joined: Feb 2006 From: Jelutong Penang
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QUOTE(hilmiangah @ Jan 28 2009, 04:41 PM) a pencil mod or more hardcore vmod will make it to a good chip im afraid..really..Added on January 28, 2009, 4:45 pmbtw whats the best bios editor for ATI card??? and what flashing tool that'll go with it??? |
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Jan 28 2009, 05:35 PM
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Senior Member
913 posts Joined: Jan 2007 From: Butterworth, Penang
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Question(again):
Regarding to bios flashing, I've found this. QUOTE(Overclock.net) Hey guys here is some of the OC ready bios for 4850 and 4870 round up! All have been test work perfectly. 3D mark vantage rise by 500mark on hard OC 4850, and 1000Mark on hard OC 4870 ( On my system ) I> 4850 BIOS 1. HD4850 Hard Overclocked. DF Core 750MHz Mem 1100MHz Auto Cool Fan. GPU Core upper Limit 850MHz Memory Upper limit 1300MHz Vcore Modded to 1.175V for hard Overclocking. LINK 2. HD4850 Light Overclocked. DF Core 700MHz Mem 1000MHz Auto Cool Fan. GPU Core upper Limit 850MHz Memory Upper limit 1300MHz Vcore DF 1.12V LINK HD4850 only Upper limit. DF Core 625MHz Mem 993MHz Auto Cool Fan. GPU Core upper Limit 950MHz Memory Upper limit 1400MHz Vcore DF 1.12V LINK HD4850 only Upper limit. DF Core 625MHz Mem 993MHz. GPU Core upper Limit 1250MHz Memory Upper limit 1450MHz Vcore DF 1.12V LINK Source: Overclock.net Does that mean that once we flash the bios, we can get that particular stock clock already? Does that applies on all the HD4850 in the market? Or does it pointed to certain brand only? Sorry if I'm asking stupid questions as I'm still on the road on learning This post has been edited by Shufflerz: Jan 28 2009, 05:39 PM |
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Jan 28 2009, 10:00 PM
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Senior Member
913 posts Joined: Jan 2007 From: Butterworth, Penang
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HELP !!!
My score is ridiculous. 
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Jan 28 2009, 10:36 PM
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Senior Member
7,740 posts Joined: Jun 2006 From: Some Yih
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humm, i think the score is kinda normal for 3Ghz quads? :0
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Jan 29 2009, 10:22 AM
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Junior Member
53 posts Joined: Apr 2006 From: Melaka, Kuantan, KL
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hmm.. after upgraded my proc, the score raised to 14303, my gc still clocked at 770/1260 with 46C idle, 65C full load.. compare my oced e8400 and ur stock q6600, the cpu score is 3445 vs 3417, so i think cpu is not the factor.. and after comparing sm2.0 and sm3.0 score, its like the card itself has prob.... or the mobo? lolz.. This post has been edited by B-ZonE: Jan 29 2009, 10:25 AM |
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Jan 29 2009, 10:45 AM
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Senior Member
913 posts Joined: Jan 2007 From: Butterworth, Penang
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I'm using CCC to set the core/mem clock of my gpu.
But after I press Apply, and I run GPU-Z, the GPU Clock still remain the same as the Default Clock. Check this out. 
Any idea what's going on? This post has been edited by Shufflerz: Jan 29 2009, 10:49 AM |
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Jan 29 2009, 03:36 PM
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Elite
4,746 posts Joined: Dec 2007 From: Speed rule
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QUOTE(Shufflerz @ Jan 28 2009, 10:00 PM) HELP !!! Try oc to 333x9.you can see big increaseMy score is ridiculous. » Click to show Spoiler - click again to hide... « |
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Jan 29 2009, 03:39 PM
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Senior Member
913 posts Joined: Jan 2007 From: Butterworth, Penang
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QUOTE(OC4/3 @ Jan 29 2009, 03:36 PM) Try oc to 333x9.you can see big increase Tried 335x9, manage to squeeze out another 1k.But I still very curious about my gpu core/memory clock shown on both the CCC and GPU-Z. Any idea? |
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Jan 29 2009, 03:57 PM
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Elite
5,602 posts Joined: Jul 2007 From: The Holiest Of Hole
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QUOTE(Shufflerz @ Jan 29 2009, 03:39 PM) Tried 335x9, manage to squeeze out another 1k. that also happen to me but im not worried bout it.But I still very curious about my gpu core/memory clock shown on both the CCC and GPU-Z. Any idea? i think its juat a bug. |
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Jan 31 2009, 01:54 AM
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Senior Member
3,112 posts Joined: Jul 2006
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This is my Sapphire HD4850 Dual Slot BIOS...
The red circle there show empty...don't know how to mod through BIOS.... |
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