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UPLS and single GPUs?

post #1 of 5
Thread Starter 
So been messing with my Diamond 7970 on air and max i can bench at so far has been 1150/1600, got crashes at 1200/1650. Running games and daily use at 1125/1575. I haven't disabled UPLS but i was under the impression it was a limiting factor in CF setups more so than single GPU. If i disable would i maybe gain some ground in my overclock?
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post #2 of 5
ULPS. It's all to do with PowePlay according to unwinder. He also seems to firmly believe AMD's PowerPlay is broken. It conflicts with the unofficial overclocking since AMD refuses to support overclocking beyond the limits set in CCC OverDrive. I think it is recommended to disable it. Does seem to be broken for mobile at least, Enduro, PowerPlay, PowerExpress, whatever you want to call it, it's rubbish.
post #3 of 5
Thread Starter 
I have it disabled through Trixx but will probably have to use the Utility or Regedit. Though when i downloaded the ULPS utility i get a warning from Chrome and my Anti-virus tries to remove it.

I can't edit Title lol didn't catch that typo redface.gif
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post #4 of 5
Quote:
Originally Posted by Blackops_2 View Post

So been messing with my Diamond 7970 on air and max i can bench at so far has been 1150/1600, got crashes at 1200/1650. Running games and daily use at 1125/1575. I haven't disabled UPLS but i was under the impression it was a limiting factor in CF setups more so than single GPU. If i disable would i maybe gain some ground in my overclock?


ULPS controls whether slave cards in crossfire go to sleep in essence or not. For single gpu it is not active, thus not applicable.

Quote:
Originally Posted by Ziddy View Post

ULPS. It's all to do with PowePlay according to unwinder. He also seems to firmly believe AMD's PowerPlay is broken. It conflicts with the unofficial overclocking since AMD refuses to support overclocking beyond the limits set in CCC OverDrive. I think it is recommended to disable it. Does seem to be broken for mobile at least, Enduro, PowerPlay, PowerExpress, whatever you want to call it, it's rubbish.


ULPS is not Powerplay. They are related but not the same. I get the sense you don't grasp the nuance of these processes in place. ULPS needs to be disabled because Afterburner is not capable of controlling gpus that are asleep.

Powerplay is a process that offers different powerstates that the gpu operates under. There's an innate conflict between what Powerplay is designed to do and the purpose of Afterburner. AB only has two states, 2D/idle profile and 3D profile where Powerplay can have as many as four powerstates. Thus there is a conflict with all modes of Afterburner unless Powerplay is bypassed.

Btw, you cannot disable Powerplay!
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post #5 of 5
Thread Starter 
Thanks for clearing that up TSM. Till i up the vcore i'll just have to be settled with 1125/1575
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