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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 308

post #3071 of 6939
Quote:
Originally Posted by TheBear View Post
Mine too, only 1125Mhz is 100% stable for memory, but I played some games with higher clock.

GPU goes to 1000Mhz with 1.230v...
I'm stable RS at 1140 mem (values in sig), used to clock at 1150 formerly but downclock to 1140 since after a while in some games I get my screen split in two.
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post #3072 of 6939
Quote:
Originally Posted by ezveedub View Post
Forgot to add more info: Gigabyte 6870s in Crossfire.
     
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post #3073 of 6939
Built mine last night, just loaded Win7 x64 on it.
Still has the new car smell

VisionTek Radeon HD6870

Add me!

EDIT: (PIC)

Edited by hytek9 - 3/6/11 at 7:13am
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post #3074 of 6939
Hey, I have a quick question. I have my two Gigabyte 6870 running in Crossfire with Catalyst 10.10 drivers. I know the fans are pretty quiet just sitting idle, but shouldn't the fans speed up under load? I was playing Dirt2 when all of sudden the colors changed and then Dirt2 stopped. I checked the temp on card 1 and it was 81C. Other than manual setting the fan (I can only control fan on card 1, second card seems to not respond), it there an auto setting for the fans???
     
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post #3075 of 6939
Quote:
Originally Posted by ezveedub View Post
Hey, I have a quick question. I have my two Gigabyte 6870 running in Crossfire with Catalyst 10.10 drivers. I know the fans are pretty quiet just sitting idle, but shouldn't the fans speed up under load? I was playing Dirt2 when all of sudden the colors changed and then Dirt2 stopped. I checked the temp on card 1 and it was 81C. Other than manual setting the fan (I can only control fan on card 1, second card seems to not respond), it there an auto setting for the fans???
Perhaps you should update the drivers. We're on 11.2 (and still no Linux support, btw).
post #3076 of 6939
Quote:
Originally Posted by Bassdoken View Post
Perhaps you should update the drivers. We're on 11.2 (and still no Linux support, btw).
I may try them again. I had that driver installed since they were first installed, but CF wouldn't enable or function properly. I think I still couldn't control the fan on card 2 either. I'm so getting ready to add waterblocks to them at this point, but I would prefer a second WC loop for that.
Edited by ezveedub - 3/5/11 at 11:27pm
     
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post #3077 of 6939
Fan control works fine but if you dont disable ULPS the second cards fan speed wont change unless its under load.upls turns the card off when not in use.

Its a huge performance increase with the new drivers as they have tessellation control.

Use MSI afterburner to set a fan profile thats the best way to go.it really depends on the noise level at first I had it set to the highest inaudible level at idle and progressively rise to 100% at 80c.Now with my new coolers there is no noise and with the same profile in gaming they never past 52c.
Edited by smoke420 - 3/6/11 at 5:41am
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post #3078 of 6939
Quote:
Originally Posted by smoke420 View Post
Fan control works fine but if you dont disable ULPS the second cards fan speed wont change unless its under load.upls turns the card off when not in use.

Its a huge performance increase with the new drivers as they have tessellation control.

Use MSI afterburner to set a fan profile thats the best way to go.it really depends on the noise level at first I had it set to the highest inaudible level at idle and progressively rise to 100% at 80c.Now with my new coolers there is no noise and with the same profile in gaming they never past 52c.
OK, I'll look into this. Thanks.
     
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post #3079 of 6939
I want in

XFX 6850 Crossfire
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post #3080 of 6939
Quote:
Originally Posted by arrow0309 View Post
I'm stable RS at 1140 mem (values in sig), used to clock at 1150 formerly but downclock to 1140 since after a while in some games I get my screen split in two.
Same happened to me, or I got gray screen in CoD Black Ops for example only 1125-1130Mhz max. is stable.
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