Very strange behavior of the special keys on a IBM T40
oberman at es.net
Mon May 24 11:56:18 PDT 2004
> From: "Nikolay Denev" <nike_d at cytexbg.com>
> Date: Mon, 24 May 2004 21:40:27 +0300
> Sender: owner-freebsd-mobile at freebsd.org
> ----- Original Message -----
> From: "Arne Schwabe" <arne at rfc2549.org>
> To: "Peter Schuller" <peter.schuller at infidyne.com>
> Cc: <acpi at freebsd.org>; <freebsd-mobile at freebsd.org>
> Sent: Sunday, May 23, 2004 5:56 PM
> Subject: Re: Very strange behavior of the special keys on a IBM T40
> > Arne Schwabe <arne at rfc2549.org> writes:
> > >>> Would you by any chance be running with an extra ultra bay battery in
> place on
> > >>> the CD/DVD? If so, try removing it (and rebooting). If you're having
> the same
> > >>> problem I have on my T40p, that should eliminate the hangs. As a
> result I'm
> > >>> almost never using the extra battery :(
> > >>
> > >> I have a extra ultra bay battery but I makes no difference. :/
> > >>
> > >> Could you send me your kernel config, maybe I have something weird in
> > >> my config?
> > >
> > > Okay, I tried your kernel config but the same result brightness
> > > up/down freezes the kernel.
> > >
> > > Without acpi the kernel freezes after something like 1-2 minutes :(
> > Well, I "narrowed" it down, my notebook is now *real* crazy, even with
> > a 5.2.1 kernel (which worked :/) it now shows this behavior. I have
> > now absoluty no idea what I could try next :/
> > Arne
> > --
> > Ah, the beauty of OSS. Hundreds of volunteers worldwide volunteering
> > their time inventing and implementing new exciting ways of old fashioned
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> I've had exactly the same problem with my X31,
> the solution that worked for me was to disable 'IDE2' with the 'PS' utility
> that can be found on
> IBM's site.(nasty DOS based, boot floppy image, that gives you advanced
> options not available in the BIOS)
> After this everything woks perfectly, i can turn up/down the volume and use
> the keyboard light.
> I hope that this info will help you.
Just a nit, but it could save some wasted time.
The BIOS configuration utility for most ThinkPads is PS2, not PS. It is
a DOS tool, but will not work with WINE, DOSCMD, or any other DOS
emulator I have seen. You really need to make a DOS disk with he
executable on it.
If you have the Windows software that came on your system, PS2 is
available from the DOS command tool. Try 'PS2 ?' for a summary.
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net Phone: +1 510 486-8634
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