Dapper: ATI Setup - Gamma Correction [SOLVED]

[David M. Carney]

David M. Carney wrote:
> Hi all.
>
> I bought a new computer that had on board ATI graphics. I've always used
> Nvidia, so this is a new thing for me.
>
> I got graphics hardware acceleration working finally. A lot of searching
> in Ubuntu forums did it for me.
>
> One problem left with my graphics - the gamma settings. My NEC flat
> panel monitor has a high gamma setting. Unfortunately, there is no gamma
> setting with the monitor itself.
>
> With my Nvidia card it was simple. Just add a line to the startup
> programs in the sessions dialog that started the Nvidia control panel
> long enough to make the corrections then exit.
>
> Are there any command line switches with fireglcontrol, ATI's control
> panel? I can seem to find none.
>
> When I set my gamma with fireglcontrol to what looks right to me, it's
> set to .74.
>
> If I try to add "Gamma    .74" to my /etc/X11/xorg.conf file, then X
> refuses to start. It won't start with any value less than "1".
>
> Any suggestions? Does Gnome have some "yet as undiscovered by me"
> setting to correct gamma?
>
> David
>
>
>   
...and just a bit more searching, and I found xgamma. It meets my needs.

David