Subject: Re: frequency scaling on a Celeron M (Dothan)?
To: Jonathan A. Kollasch <jakllsch@kollasch.net>
From: Rui Paulo <rpaulo@fnop.net>
List: port-i386
Date: 01/17/2006 14:19:39
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On 2006.01.17 00:58:10 -0600, Jonathan A. Kollasch wrote:
| Hi,
| According to Wikipedia this CPU doesn't have SpeedStep, yet
| under Linux the frequency scaling stuff works. Is there documentation
| for using NetBSD's SpeedStep support?
|=20
|=20
| CPU section of 2.1 dmesg
| cpu0 at mainbus0: (uniprocessor)
| cpu0: Intel Pentium Pro, II or III (686-class), 1296.83 MHz, id 0x6d6
| cpu0: features afe9fbbf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC,SEP,MTRR>
| cpu0: features afe9fbbf<PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX>
| cpu0: features afe9fbbf<FXSR,SSE,SSE2,SS,TM,SBF>
Does your dmesg say 'features2' ?
Prior to speedstep there was a way to scale the cpu frequency but
you would only be able to switch between maximum and lowest speeds.
-- Rui Paulo
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