You can always try 'xset q'. Right at the end should be:
DPMS (Energy Star):
Standby: 1200 Suspend: 2400 Off: 3600
DPMS is Enabled
Monitor is On
But the acpi might override that.
I'd disable DPMS ('xset -dpms') and try disabling acpi, too...
On Thu, 7 Sep 2006, Donovan Niesen wrote:
> I have a few boxes scattered around that are supposed to be keeping the
> displays active but I have been getting complaints that some of them are
> going black. I have a pretty good idea that the monitors are going into
> power save or sleep mode but don't know how to tell for sure. The one place
> I can think of to check is /proc/acpi/video/ but I'm wondering if there
> might be another area. They are running X.org if that makes a difference at
> all.
>
> --
> Donovan Niesen
>
-Yaron
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