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[Official] AMD R9 290X / 290 Owners Club - Page 1730

post #17291 of 43911
Quote:
Originally Posted by LTC View Post

Voltage control seems to work now, so how much is safe? 0-100 doesn't really give me any sense of how much it is overvolting? is it 0-100mV?

Correct, 100mV. It should be fine at the max setting in AB.
post #17292 of 43911
Quote:
Originally Posted by geggeg View Post

@Slomo4shO I made the same potential mistake first time around. MX4 has a worse conductivity than those pads and makes reusing them much harder. I didn't do it on my current cards.

I also replaced MX4 with PK3 and got a further temp drop on the CPU and GPU cores.

I've been using PK3 on all my blocks, good stuff smile.gif I debated about throwing some CLU on the gpu, but ended up sticking with PK3.
Edited by pkrexer - 2/20/14 at 2:10pm
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post #17293 of 43911
Quote:
Originally Posted by anubis1127 View Post

Correct, 100mV. It should be fine at the max setting in AB.

So can you tell me the difference between PL and Overvoltage? Is it safe to have PowerLimit at 50% all the time, and regulate with the Voltage?
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post #17294 of 43911
50% Powerlimit just prevents power based throttling, I'm 99.9% sure 50% is safe as it's just like power limit on nvidia cards, I ran my 290 at 50% 24/7 with no issues.
post #17295 of 43911
Quote:
Originally Posted by Jack Mac View Post

50% Powerlimit just prevents power based throttling, I'm 99.9% sure 50% is safe as it's just like power limit on nvidia cards, I ran my 290 at 50% 24/7 with no issues.

I've always wondered about power limit. In theory since the additional % is only called on as needed and max voltage is set elsewhere it should be safe to leave this at +50. But some users swear going above 25 creates instability.
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post #17296 of 43911
Quote:
Originally Posted by Jack Mac View Post

50% Powerlimit just prevents power based throttling, I'm 99.9% sure 50% is safe as it's just like power limit on nvidia cards, I ran my 290 at 50% 24/7 with no issues.

Thanks! Are there anything I should disable/enable? I disabled ULPS, but what about downclocking and so on?
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post #17297 of 43911
Quote:
Originally Posted by taem View Post

I've always wondered about power limit. In theory since the additional % is only called on as needed and max voltage is set elsewhere it should be safe to leave this at +50. But some users swear going above 25 creates instability.

Huh, back when I had my 6970, I always had it at max as well...
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post #17298 of 43911
Quote:
Originally Posted by LTC View Post

Thanks! Are there anything I should disable/enable? I disabled ULPS, but what about downclocking and so on?

I'm finding that unless I disable Extend Official Overclock Limits and Unofficial Overclocking Mode, my core will throttle/down clock regardless of temps. They should both be disabled by default in AB beta 18.
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post #17299 of 43911
Quote:
Originally Posted by geggeg View Post

@Slomo4shO I made the same potential mistake first time around. MX4 has a worse conductivity than those pads and makes reusing them much harder. I didn't do it on my current cards.

I also replaced MX4 with PK3 and got a further temp drop on the CPU and GPU cores.

MX-4 is slightly worst than Extremes (8.5w/mk vs 11w/mk, I didn't use the 17w/mk Ultra Extreme) but, theoretically, applying the paste would enable better contact and, thus, provide better heat transfer. Did you ever compare the temps of each method in the same build?

Also, I used CLU on the die...
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post #17300 of 43911
I don't have any paste on my pads anymore, didn't seem worth the hassle later on honestly. The performance with the Fujipoly extreme pads themselves has been excellent as it is.
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