From owner-freebsd-mobile@FreeBSD.ORG  Sat Jul 17 09:43:12 2004
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Date: Sat, 17 Jul 2004 11:43:06 +0200
From: Tobias Roth <roth@iam.unibe.ch>
To: vladimir@math.uic.edu
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cc: freebsd-mobile@freebsd.org
Subject: Re: acpi on thinkpad t23
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on Sat, Jul 17, 2004 at 04:22:45AM -0000, vladimir@math.uic.edu wrote:
> The machine is IBM Thinkpad T23.
> 
> 1. I can't find the way to turn off the LCD.
> The corresponding Fn hardware key doesn't work.  I've found
> recommendation on the list to use sysctl, but this gives:

known regression, this is being worked on

> 2.  The bios supports suspend to disk (STD), which works
> under apm with acpi disabled.   I've set 
> sysctl -w hw.acpi.s4bios=1
> and tried to activate STD using the Fn hardware key with
> acpi enabled.
> The system beeps, the video turns off, the "half-moon" 
> suspend light starts blinking, and the system locks
> hard.  I have to powercycle it.

i have that too on my T30. iirc, other people have no problem with -s4.
may i ask whether you use a hibernation partition or a file? i am asking
because everyone but me seems to use a partition.

cheers, t.