DPMS won't disable

Tue Dec 9 05:46:07 PST 2014

On Dienstag, 9. Dezember 2014 02:21:24 CEST, Grant wrote:
> Section "Monitor"
>         Identifier "Monitor"
>         Option "DPMS" "false"
> EndSection

Is that "Monitor" identifier actually referred by some configured server?
If not, rather make it sth. like 

Section "Monitor"
        Identifier "DVI-I-1" # figure w/ "xrandr -q"
        Option "DPMS" "false"
EndSection

Cheers,
Thomas