ubuntu / I-INC

[Mr Chris Aitken]

Lennart Sorensen wrote:
> On Thu, Nov 13, 2008 at 08:28:49PM -0500, Mr Chris Aitken wrote:
>   
>> Looks like I don't have to do that. Though it's not rocket science, I 
>> have never had much luck editing that file. I guess I'll just make sure 
>> that whenever I boot to linux that I am KVM-switched to that computer as 
>> well. I do understand (Correctly, I hope) that if I wanted to boot to a 
>> given resolution every time (regardless of where the KVM switch's 
>> attention is) I would have to edit that file.
>>
>> Is that a limitation of LCD monitors? I could certainly get better 
>> refresh rates out of my CRT monitors.
>>     
>
> Some LCDs run 75hz, but since there is no flicker issue on an LCD, there
> is no real need for higher refresh rates than 60hz.  

Yeah, I was so impressed with myself that I remembered that 60 Hz 
refresh rate sucks that I failed to noticed that that refresh rate /on 
an LCD monitor/ does /not/ suck - no flicker.

> Higher refresh
> rates take more bandwidth too, which is why 59 or 60hz is what is
> normally used.  The maximum amount of pixels you can send through a
> single link DVI connection is 1920x1200 at 60hz.  It can't do it at 75hz,
> there simply isn't enough bandwidth.  Dual link can do twice that, so
> hence 2560x1600 at 60hz on large displays, although some high resolution
> displays do 3840x2400 at 24hz on dual link (48hz on quad link).
>
>   

Thanks for the explanation.

Chris

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