Mrugesh Karnik wrote:
> Robert S wrote:
>
>> I've looked at that - the "Monitor" section in my xorg.conf looks
>> like this:
>>
>> Section "Monitor"
>> Identifier "Dell"
>> HorizSync 31.0 - 54.0
>> VertRefresh 50.0 - 120.0
>> EndSection
>>
>> In other words, it allows a VertRefresh rate of up to 120. I looked
>> at the Dell specs. It still does not do 87 by default.
>>
> IIRC, xorg guesses the correct refresh rate automatically according to
> the frequencies you input. Having said that, I wonder if it varies
> with the resolution? (Not an expert with monitors!) I've been able to
> use 1024 with 75 Hz refresh rate, but at 1280, it drops to 60
> automatically... Just curious, most probably I'm wrong...
You are not wrong, that is exactly how it works. A monitor that can do
[EMAIL PROTECTED] can do [EMAIL PROTECTED], [EMAIL PROTECTED], etc. The numbers
here are not exact, but maximum refresh rate does drop with higher
resolutions.
Robert, X normally chooses the highest refresh rate for a given
resolution. Take a look at /var/log/Xorg.0.log for clues. You should
see a bunch of "Default mode" lines the describe the different built-in
resolutions and refresh rates that X can use. Some of them get rejected
because your monitor can't do them, this is normal.
I suspect the final resolution will be either:
1. Easy. Remove the HorizSync and VertRefersh lines from xorg.conf,
because they can normally be auto-detected anyway.
2. More difficult. You may need to add a Modeline to your Monitor
section. To create this, use the KDE control to set your desired
resolution and refresh rate. Then run a program called "xvidtune" from
a konsole window. It is a very old program used to make fine
adjustments to display settings. Click 'ok' on the warning dialog, and
just hit "Show". That will output a current modeline to the konsole
window. Then you just need to add it to the Monitor section:
Section "Monitor"
Identifier "Dell"
# HorizSync 31.0 - 54.0 # optional
# VertRefresh 50.0 - 120.0 # optional
ModeLine <output from xvidtune>
EndSection
-Richard
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