Re: Netbsd 4.0 on IBM Thinkpad T61

["Radhika S" <radhika.sambamurti%gmail.com@localhost>]

Thanks!! That was very helpful. Now I have much more food for thought.
-rs

On Mon, Jul 7, 2008 at 10:24 PM, Steven M. Bellovin 
<smb%cs.columbia.edu@localhost> wrote:
> On Mon, 7 Jul 2008 21:34:25 -0400
> "Radhika S" <radhika.sambamurti%gmail.com@localhost> wrote:
>
>> Thanks. What exactly is ACPI support ( suspend / resume? )
>
> There are two power management mechanisms for laptops, APM (Advanced
> Power Management) and ACPI (Advanced Configuration and Power
> Interface, I believe).  APM, despite its name, is pretty old at this
> point.  Older Thinkpads supported both APM and ACPI; T61s, at least,
> have only ACPI.
>
> NetBSD has long supported APM.  ACPI is considerably more complex, and
> the support has only recently become complete enough to be usable.
> (Thanks, guys!)  If all you're going to do with your laptop is leave it
> in one place, and power it down and reboot it if you want to move it,
> the absence of ACPI support doesn't matter much.
>
> Personally, I don't work that way.  Today alone, I will suspend and
> resume five times.  To do that on a T61, I need an OS with ACPI
> support.  For NetBSD, that means running -current.
>
>
>                --Steve Bellovin, http://www.cs.columbia.edu/~smb
>



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