Re: [ProgSoc] XWindows Refresh Rates

[David John Edney <plasma@nospam.progsoc.uts.edu.au>]

On Thu, 6 Sep 2001, Paul Mach wrote:

> Can anyone tell me how to change refresh rates in XWindows for Red Hat? I
> am getting sick of the 72Hz!
> 
> 

Well, first I'd suggest using XConfigurator and tweak your monitor
settings there, but the more recent versions of X don't really like
being told what refresh rate to run at, preferring to determine it
themselves.  If you really want, here's the incredibly adventurous way:

Which Red Hat version?  Assuming you mean RH7.1 (the latest one), you have
to edit your /etc/X11/XF86Config-4 file.  For older versions running
versions of XFree before version 4, you will have to edit the
/etc/X11/XF86Config file.  Note that if you are running a later
version of XFree, both files will be in the directory, but the
XF86Config-4 is the configuration file to edit.

BACK IT UP!!!! I can't tell you how many times I've managed to stuff up my
Linux installation by messing with XF86Config-4, without remembering to
make a backup.

Now, assuming it's XF86Config-4 (each one has different syntax), you
should be able to find somewhere looking like this:
"Section Monitor
---a few settings here---
    VertRefresh 54-72"

Now, personally, I've never tweaked this setting, but I'm "pretty
sure" you should be able to increase this, as long as you're sure your
monitor won't blow up on you if you set it too high.  But in any case, I'm
sure the answer you seek will either be in that setting, or elsewhere
within the rather inadequately documented realms of the XF86Config-4
file.  Also, you may want to try www.linuxdocs.org, for the Linux
Documentation Project, it likely can give better advice than me, and I'm
too lazy to go look stuff up for you.

!!All information in this email is on an as-is basis. Any damages, death
or injury caused by exploding screens, exploding computers or a communist
conspiracy is not the liability of the writer!!

-- 
"Never argue with an idiot, they'll only drag you down to their level and
beat you by experience"  -- Unknown


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