Subject: Re: Pentium M 760 speedstep support?
To: None <email@example.com>
From: Michael van Elst <firstname.lastname@example.org>
Date: 02/09/2006 20:33:26
email@example.com (Neil Ludban) writes:
>NetBSD 3.0_RC5 booting on a new ThinkPad T43p says this:
>cpu0: "Intel(R) Pentium(R) M processor 2.00GHz"
>cpu0: Enhanced SpeedStep running at 1500 MHz (1356 mV)
>Does anybody have a patch to support SpeedStep for this processor?
>Or, current pointers to docs so I can create my own? The links in
>est.c are stale, so far I haven't found anything that has obvious
>tables or instructions for calculating the right values :(
There are no official tables, Intel just gives two values. See
Everything else is only supported by ACPI, either by interpreting the
ACPI tables yourself or by asking ACPI to set different performance
states. Neither is _currently_ supported by NetBSD.
Michael van Elst
"A potential Snark may lurk in every tree."