Is my adapter bad, or is this normal? My Energy Saver Settings don't stay.

Question

Folks:
I have a Apple Cinema Display using ADC. I am using a DVI to ADC converter to hook it up to my ATI Radeon 9800 Pro. I don't care that I can NEVER put my Mac to sleep. I just want the screen to sleep when I tell it to! Up to now, it works intermittently on my Quicksilver G4 2002.
I'll set the preferences to 3 minutes before sleep on the screen. Wait 3 minutes, and poof! it'll sleep. Then hours or minutes later, it will wake that screen back up! OR.... hours later, I will stop using it, and leave it to sleep. Minutes later... many minutes later, hours later, it is STILL NOT sleeping. So, I go back to the preferences... I open up the energy saver for the screen and it STILL says 3 minutes, but it is NOT doing what the panel says. So... I move the slider around, maybe 1 or 2 minutes, then click show all, click back to make SURE.. it is still good. It is. I then leave it and it'll sleep. Yippie. It might behave for hours, then it forgets and am back to resetting the preference panel! WHY?!?!? I wish I could write an applescript utility to sneak in there every hour and reset the time to 3 minutes! HELP!???
Yesterday, the ADC/DVI thing forgot it was hooked up to the USB & cut power from my mouse & soundsticks.

Answer 1

If the suggestions in your previous thread didn't help(which include an AppleScript set as an iCal alarm), what exactly happened when you tried to use them?
It is possible to create an AppleScript tool which doesn't need to be called from iCal, but it may use up more CPU time. To do this, use the following code:
on idle
do shell script "pmset -a displaysleep 3" password "yourpass" with administrator privileges
return 3600 --one hour
end idle
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