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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 259

post #2581 of 6939
Quote:
Originally Posted by abu46 View Post
well as the 26th of jan. comes to an end, the official 11.1 drivers are still not here..............................

(
Lol :__) tears at the same time =(


Hey , thanks for the links !! I've been through those posts before and every1 has an opinion
one of two :
1. some sensor on the GPU core that stays hot forever (OMG) --I've mounted my S1 properly and gpu idle/load temps are now 27/46 (after hours of crysis @ extreme )

2. VRMs (not possible) -- they are supposed to run :1. cool, 2. don't have a stock heatsink at all

3. VREGs ( not possible again) -- I've put harsinks on almost EVERY black transistor/ mosfet or just about ANYTHING i thought could heay up on the card xD so everything's nice and cool.

Side note: one guy mentioned using the clips raised his heatsink so as to ruin contact with the gpu core- I faced the same problem but I bent the heatpipes a bit and so this is really no problem --

My I add this GPU temp#2 increases significantly with gpu core vids. And a bit with core frequency. Unaffected by vram over/under clcoking

Also, shall stick to shader complexity 0 then.. thought 8 for 10 minutes and or in enough loops if the card was overheating would generally suffice for a thorough stability check?

Thanks for the inputs! +rep!!
post #2582 of 6939
Quote:
Originally Posted by abu46;12149122 
well as the 26th of jan. comes to an end, the official 11.1 drivers are still not here..............................

frown.gif(

Just use the unofficial one's they work great
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post #2583 of 6939
newbie wants to join
crossfire ASUS 6870 + GIGABYTE 6870 @1000x1115 Mhz 1.200v

http://www.techpowerup.com/gpuz/fkyun/
http://3dmark.com/3dmv/2882070










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post #2584 of 6939
Quote:
Originally Posted by arrow0309 View Post
First of all did you run OCCT at default settings (shader complexity 0)? You can only activate the error check, do not attempt to turn to 8 the shader complexity since the whole gpu is about to be overburn (I gave up pretty soon). Trust me it shld be enough stress for the gpu on the level 0
OK, then let's see what about the bloody Gpu temp #2. It's definitely a senzor temp inside the gpu core. We don't know yet for sure (unless we ask AMD ) but it seems to be the memory io or the shader core
Just look at these 2 threads too:

http://forums.techpowerup.com/showthread.php?t=65333
http://www.techpowerup.com/forums/sh...ad.php?t=67186

One way or the other something is not going well, and i'll suggest to do some more researches or (and) just controll well the whole "aftermarket cooling system" btw what is the Zalman pci blower? Let me know of the result changes
I've posted some remarks in the previous post ^^

The zalman pci blower is available here :
post #2585 of 6939
Quote:
Originally Posted by SniperZero View Post
Hi I was looking at attaching a VF3000a to my (Gigabyte) 6870. I was wondering what modifications you did with the original backplate. Also the rough locations you stuck the extra heatsinks. I can't really tell much from the images you have posted apart from it looks like you stuck the small heatsinks onto the plate (over where the memory is located) then attached the vf3000a on top.

Any help would be great thanks!
Hi there and wellcome to the thread
Let's just say that you've got half an answer from Liranan. In fact, I'm not sure the small heatsinks will do any improovment unless you don't want to loose your warranty (coz I had to flatten, rasping with a file, the base of all screws located on the back of the allu backplate for about 1mm down all that to improove a better contact patch for the memory and vrm's) but for sure they'll do no harm, let's suppose doingo so I consider that did help me to get 1150Mhz for memory RS (not possible with the stock cooler)
However, the most important part you've to take care, is that you may find the cooler base don't make a perfect contact patch with the core when you decide to maintain the black stock plate of the card, forcing you to either rasp a bit of one extremity of the cooler copper base or if you preffer to better remove a small part of the backplate
I also described the operation (pictured) in an older post:
http://www.overclock.net/11791536-post1962.html

Just let me know everything's ok
And come back with some oc bench's
Edited by arrow0309 - 1/26/11 at 9:41am
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post #2586 of 6939
Quote:
Originally Posted by 0razor1 View Post
Lol :__) tears at the same time =(


Hey , thanks for the links !! I've been through those posts before and every1 has an opinion
one of two :
1. some sensor on the GPU core that stays hot forever (OMG) --I've mounted my S1 properly and gpu idle/load temps are now 27/46 (after hours of crysis @ extreme )

2. VRMs (not possible) -- they are supposed to run :1. cool, 2. don't have a stock heatsink at all

3. VREGs ( not possible again) -- I've put harsinks on almost EVERY black transistor/ mosfet or just about ANYTHING i thought could heay up on the card xD so everything's nice and cool.

Side note: one guy mentioned using the clips raised his heatsink so as to ruin contact with the gpu core- I faced the same problem but I bent the heatpipes a bit and so this is really no problem --

My I add this GPU temp#2 increases significantly with gpu core vids. And a bit with core frequency. Unaffected by vram over/under clcoking

Also, shall stick to shader complexity 0 then.. thought 8 for 10 minutes and or in enough loops if the card was overheating would generally suffice for a thorough stability check?

Thanks for the inputs! +rep!!
Quote:
Originally Posted by 0razor1 View Post
I've posted some remarks in the previous post ^^

The zalman pci blower is available here :
Thanks
Interresting staff the Zalman, not sure work for me
Keep on testing OCCT shader 0
I'm giving up the crossfire idea for now, let's just wait for heavier games and more convenient prices for the videocards Maybe I'll change the cpu cooler since the new Silver Arrow just drives me nuts
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Arrow I7
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post #2587 of 6939
Just downloaded the 11.1 driver. It's finally here. Let's see if I notice any differences..
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post #2588 of 6939
Quote:
Originally Posted by kzone75 View Post
Just downloaded the 11.1 driver. It's finally here. Let's see if I notice any differences..
yeah, cool

im downloading now,
will see the difference between leaked version
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post #2589 of 6939
For those with the Gigabyte 6850(non OC and OC), I would recommend removing the heatsink assembly, and cleaning up and reapplying heatsink compound. They certainly don't put a thin layer on it.

On another note what is the max voltage for the 6850? Currently running 900/1100 at 1149mV
post #2590 of 6939
Quote:
Originally Posted by ht_addict View Post
For those with the Gigabyte 6850(non OC and OC), I would recommend removing the heatsink assembly, and cleaning up and reapplying heatsink compound. They certainly don't put a thin layer on it.

On another note what is the max voltage for the 6850? Currently running 900/1100 at 1149mV
Max voltage is 1300mV
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