The Hardware-HOWTO just says: 20.1. VESA Power Savings Protocol (DPMS) monitors Support for power savings is included in the Linux kernel. Just use setterm to enable support. but setterm insists: timshel:~$ setterm -powersave on cannot (un)set powersave mode I can't find any more details anywhere. I have an ATI mach64 (Grpahics Pro Turbo) and a Viewsonic 17GS monitor. Kernel 2.0.32. -- ...RickM...