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[Official] 7870 Tahiti LE (XT) Owners Club - Page 25

post #241 of 5223
Quote:
Originally Posted by lucky88shp View Post

Which post#?
Also, AB only loads after you get to your windows desktop....mine shows no video from the very beginning, from the point I press the physical power button on my Chassis! Was that also your exact problem?

Look at post #234 where I quote a member on how to set 2D and 3D profiles - this was his sage advice and it Is great.

When you see no video and the fan is racing, hit the reset button. You then should be given a menu of whether to start windows normally - hit enter.

In the case of my 7850, the VGA bios got confused and screwed up Sleep mode. By ensuring I was in 2D default when going to Sleep or Shutdown, I never then had an issue. Whether this will work for you, I can't say. Sometimes you have to change Bios options for your motherboard - I'm not going to go there in this thread.
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post #242 of 5223
Quote:
Originally Posted by lucky88shp View Post

What are your temps idle/load @ an OC of around 1150/1500?

I won't have it til Monday. I would imagine that temps are going to be same as the EZ.
post #243 of 5223
Quote:
Originally Posted by SonDa5 View Post

Other than the physical switch the PCB of the Myst looks identical right around the switch area. The myst has the 1 and 2 markings and the holes for a switch. Just doesn't have a switch. I think it may be possible to easily add a switch and possibly have access to another BIOS profile for loading.

Is there any word on whether or not this is the case?
post #244 of 5223
Quote:
Originally Posted by ztkraptor View Post

Use the 28 or 32 bios, you will hit 1200 easily.

Can you please send me some info about changing bios? And do it is safe?
Im not pro at this stuff frown.gif
post #245 of 5223
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post #246 of 5223
hey guys just an fyi......although I know we are gunning for max performance here.....

I found last night that with BF# on ultra and unlocked running at 1150/1500 ( mine goes higher but I was attempting for lower noise and heat) I found it ran at about 75-76C

BUT when I didn't change the OC but enabled Vsync. the tempts dropped to 69-71C

with vsync off i saw it drop to 40 fps sometimes but with vsync on it held constant at 60 almost with no dips even in heavy combat and looked much smoother. So for benchmarking I guess we just have to accept the heat and noise BUT for smooth performance and saved heat and noise throw on vsync and it drops temps but at same oc and 100% gpu usage
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post #247 of 5223
Thread Starter 
Quote:
Originally Posted by oats2012 View Post

hey guys just an fyi......although I know we are gunning for max performance here.....

I found last night that with BF# on ultra and unlocked running at 1150/1500 ( mine goes higher but I was attempting for lower noise and heat) I found it ran at about 75-76C

BUT when I didn't change the OC but enabled Vsync. the tempts dropped to 69-71C

with vsync off i saw it drop to 40 fps sometimes but with vsync on it held constant at 60 almost with no dips even in heavy combat and looked much smoother. So for benchmarking I guess we just have to accept the heat and noise BUT for smooth performance and saved heat and noise throw on vsync and it drops temps but at same oc and 100% gpu usage

Yea especially Bioshock Infinite. My cards never got to 80+ C except for when I play Infinite. I turned on Vsync and they stayed at 78. The VRMs go to 100C no matter what, which is a problem.

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post #248 of 5223
Quote:
Originally Posted by eBombzor View Post

Yea especially Bioshock Infinite. My cards never got to 80+ C except for when I play Infinite. I turned on Vsync and they stayed at 78. The VRMs go to 100C no matter what, which is a problem.

What are you using to measure the VRM. I can't find anything that detects it...
post #249 of 5223
Quote:
Originally Posted by imaurer269 View Post


hesho what are your temps, fan speed, power limit and clocks at?

i ran heaven for about an hour and my temps hit 80 with the fan set to auto (i think it was at about 40ish %). The power limit is set to +20 and my clock is 1088. Food for though, my voltage is set to 980mV... but i always see it use 1.23V. Even when it downclocks to 925 core, it still is using 1.23V.

I'm starting to think it's not actually possible to down volt the thing :/
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post #250 of 5223
EZ with .031 BIOS

I had the 2D - 3D profile working perfectly with AB, even voltage was going up and down. I had some strange problems though... Sometimes I had to manually set it back to 2D mode. Sometimes when the screen would go to sleep, it would not wake unless I locked the machine (Window-L) or hit CTRL-ALT-DEL.

After some thinking about it, I flashed to the .028 BIOS. It works great. No more having to set it back to 2D and it clocks all the way down, I could not clock it as low with the 2D profile.


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