On Sat, 24 Oct 2009 21:40:05 -0600 Bob Proulx <b...@proulx.com> wrote:
... > Most of the system is off. But the power button is electronic. It > takes just a tiny little bit of power to sense the button and then > activate the power supply. It is almost a zero power state. Power > isn't needed for the computer since nothing is running but power is > needed for the switch. > > In the old days the power switch was a simple physical power switch. > The switch went "clunk" and power was either connected or > disconnected. The machine couldn't turn itself off but could only say > it was now safe to remove the power. But these days almost all > computers use a smart electronically driven power supply that can turn > itself off and on. Or allows the machine to wake up automatically > upon a set time. Thanks for the detailed explanation. Celejar -- mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator -- To UNSUBSCRIBE, email to debian-laptop-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org