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Date: Sat, 22 Nov 2008 13:12:15 +1100 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: "Dana H. Myers" <dana.myers@gmail.com>
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Cc: Alexander Motin <mav@freebsd.org>, freebsd-mobile@freebsd.org,
	freebsd-acpi@freebsd.org, martinko <gamato@users.sf.net>
Subject: Re: Is the C3 possible with SMP?
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On Fri, 21 Nov 2008, Dana H. Myers wrote:
 > Ian Smith wrote:
 > > On Fri, 21 Nov 2008, Kevin Oberman wrote:
 > 
 > >  > > >> 1. Looks like it does not kill the timer.
 > >  > > >> 2. I haven't got any benefit from it in idle state. According to  >
 > > > >> `acpiconf -i 0` I have about 13 Amps (IMHO more looks like Watts) with 
 > > That'll be Watts, for sure.  13 Amps would be somewhere between ~120W and
 > > ~180W depending on the battery voltage, and 36 Amps (below) would be 400W
 > > or more .. handy, maybe, for cooking breakfast on your touchpad :)
 > 
 > While I suspect the value is indeed Watts, I do not know
 > why you're thinking 36A would indicate 400W or more.  Modern
 > CPUs typically run at relatively low voltages between 1.0V
 > and 1.6V and proportionately high current.

Unless acpiconf -i has changed between 7.0 and now, it reports Present 
Rate in mW, at least when running on battery.  My T23 right now reports 
that as 13447mW, ie 13.447W.  With a present battery voltage of 12.247V, 
that'd be 1.097 Amps battery discharge.  YMMV.

cheers, Ian