ATI LCD Overdrive - how does it work?

E

eddieck

Gawd
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Dec 13, 2009
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A friend, who has the same monitor as me (NEC EA231WMi), showed me the LCD Overdrive function of his 5850. In darker games (RTCW for instance), I think it could make a big difference with this panel which has no built-in RTC.

The problem is I have an NVIDIA card. How exactly is ATI applying that from the driver? I was under the impression overvolting pixels to get them to change faster would only be done from the controller hardware of the monitor. Are they simply changing timings (which I can do myself)? Is there another tool I can use to replicate it?
 
Overdrive doesn't overvolt pixels, it changes to the pixel to a value beyond the target then back down. This can be faster than trying to hit the target value first.
 
Ryom said:
Overdrive doesn't overvolt pixels, it changes to the pixel to a value beyond the target then back down. This can be faster than trying to hit the target value first.
Click to expand...

Interesting, so in that case it's probably impossible to replicate it on NV hardware.
 
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