Charles,

I talked to an X guy, and he recommended that there might be something
here to help:

https://wiki.ubuntu.com/X/Troubleshooting#head-95621e69f729aedde1d596b543782f95c03379a0 

Some of the text he stole from your e-mail, but there is other stuff on
debugging what's happening in X.

You might also check to ensure it's not a monitor or video card being
"smart" for you.

		--Ted

On Sun, 2008-07-13 at 13:44 -0700, Charles Jones wrote:
> Charles Jones wrote:
> > I have a CentOS laptop that is running firefox in kiosk mode (which 
> > rotates various system displays and metrics). I'm having problems 
> > disabling the screen blanking. Not only is it blanking the screen, but 
> > some time after that is does a DPMS powerdown of the display as well.
> >
> > So far I have tried:
> > Disabling the screensaver
> > Disabling power management
> > Verified that apmd is not running
> > xset s off
> > setterm -blank 0 -powersave off 0powerdown 0
> > checked the BIOS for any power management stuff in there
> >
> > None of it had any effect!  Any suggestions?
> >
> I have additionally tried:
> 
> Adding this to xorg.conf
> Section "ServerFlags"
>  Option "BlankTime" "0"
>  Option "StandbyTime" "0"
>  Option "SuspendTime" "0"
>  Option "OffTime" "0"
> EndSection
> 
> Totally removing screensaver and power manager packages
> rpm -ev gnome-screensaver
> rpm -ev gnome-power-manager
> 
> Still no luck!
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