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Re: [sid] lenovo thinkpad x200s discharge battery while on hibernate

On Sat, 24 Oct 2009 21:40:05 -0600
Bob Proulx <bob@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.

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