[ltp] Re: T23 / ibm-acpi
Borislav Deianov
linux-thinkpad@linux-thinkpad.org
Thu, 16 Sep 2004 04:25:51 -0700
Hi Chris,
First, apologies for the very late reply...
On Tue, 17 Aug 2004 23:12:04 +0000 (UTC) Christopher Hubbell <cgh@rochester.rr.com> wrote:
> Greetings,
> I have a T23 which I'm anxious to get the assorted buttons and suspend
> modes working on. I noted in the ibm-acpi README that it has been
> tested on many of the newer models, but not yet the T23. I'm happy to
> be a guinea pig, but before doing so just wanted to do dilligence to the
> warning indicating that ..."IT MAY NOT WORK ON YOUR THINKPAD. IT MAY
> EVEN DAMAGE IT." Is there any known reason why it would be a bad thing
> to try on the T23?
It's theoretically possible to damage hardware through low-level
software (see, for example, the warnings on www.linux-thinkpad.org).
That being said, ibm-acpi has had a large number of success reports
and no problems so far. I'll probably drop the warning from the next
release, or at least tone it down.
> Also, I've been trying to find something definitive about whether ACPI
> or APM is the way to go on the T23. It's not a recent model, but not
> all that old either. I'm looking for the solution which enables as
> much native thinkpad functionality as possible, but haven't found any
> solid references as to what's best suited to the T23. I'm using
> standard ACPI on Fedora Core 2 right now, but only seem to be able to
> get suspend to memory working, and none of the buttons ('echo 3 >
> /proc/acpi/sleep' isn't as nice as hitting a button).
If you have suspend-to-ram working, you've done the hard part. There
are three different suspend-to-disk implementations, one of them
should work for you. For everything else, there's ibm-acpi :-).
If you do have ACPI running on the T23 (with or without ibm-acpi), I'd
appreciate a copy of your DSDT (from /proc/acpi/dsdt). That would
allow me to check new features of ibm-acpi against it.
Regards,
Boris