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120hz monitors and the "idle bug" - Page 3

post #21 of 25
Thread Starter 
Quote:
Originally Posted by error-id10t View Post
clarify:
1) in windows you have it set to 120.
2) open nvidia control panel.
3) change preferred refresh rate to 'highest availabe'.
4) in windows change refresh rate to 110.
5) check mhz in windows to confirm cards are going down to 51Mhz.
6) start a game with vsync and confirm frames are locked to 120fps.
This worked for me too, great stuff
Using 280.26 drivers FYI

Previously when I was running Crysis 2 at 110hz my monitor/GPU was heaving a hearattack with vsync, it kept switching between 30/60/110fps and the stuttering made it unplayable.

But now it smoothly syncs to 120fps, and when I close it my GTX580 happily downclocks to idle. Woot
post #22 of 25
Well I noticed that it was clocking down when changed to 110 without deleting the 3d drives. But I deleted them, and when I changed back to 110 I got the same thing. I was under the assumption there was a way to make your card's go down while in 120hz mode. Besides that, I noticed no difference while playing crysis 2 in 120 and 110. I see 60fps with fraps in both settings.
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post #23 of 25
Thread Starter 
At 120hz+ refresh rates the GPU will come out of idle and run at it's set clocks, it's impossible to change that. I read somewhere that nVidia and AMD do it for stability purposes since 120hz is demanding on the GPU...which I highly doubt. If the card can idle at 110hz just fine, why the heck does it suddenly need to power-up at 120hz?
post #24 of 25
That's what I mean Tippy. lol
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post #25 of 25
Maybe I'm blind but I'm not seeing this "preferred refresh rate" option anywhere in the control panel. Can anyone point me in the right direction or show a screenshot? Having the same downclock issue with my 120hz monitor, downclocks fine @ 110hz, stays at 405Mhz+ if set to 120hz.
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