On Jan 18, 2008 8:12 AM, Jan Stary <[EMAIL PROTECTED]> wrote: > Hi all, > > http://openbsd.org/42.html#new says > > New piixpcib(4) driver for System Management Mode initiated > speedstep frequency scaling on certain pairings of the Intel > PIIX4 ISA bridges and Intel Pentium 3 processors. > > Now I wonder which certain pairings are supported. My HW is > > cpu0: Intel Pentium III ("GenuineIntel" 686-class) 399 MHz > piixpcib0 at pci0 dev 7 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02 > piixpm0 at pci0 dev 7 function 3 "Intel 82371AB Power" rev 0x03: SMI > iic0 at piixpm0 > isa0 at piixpcib0 > > How do I find out whether there is hope for me to get > speedstep frequency scaling? > > Thanks > > Jan >
Looks like it would work, try setting the sysctl hw.setperf to 0 and checking hw.cpuspeed. To check for sure, you can check the S-spec number at www.cpu-world.com, but you have to physically inspect the CPU to get the number.
