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Date: Sat, 19 Feb 2005 04:22:55 +0800
From: Rong-En Fan <rafan@infor.org>
To: Nate Lawson <nate@root.org>
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References: <4213F066.2050708@root.org> <4214119B.2010909@telia.com>
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cc: acpi@freebsd.org
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Subject: Re: patch: p4tcc and speedstep cpufreq drivers
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On Fri, Feb 18, 2005 at 11:26:26AM -0800, Nate Lawson wrote:
> Rong-En Fan wrote:
> >This is an TP X31.
> >
> >CPU: Intel(R) Pentium(R) M processor 1400MHz (1398.82-MHz 686-class CPU)
> >  Origin =3D "GenuineIntel"  Id =3D 0x695  Stepping =3D 5
> >  Features=3D0xa7e9f9bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,=
CMOV,PAT,C
> >LFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE>
> >
> >freq_levels looks strange.. and changes...
> >(only cpufreq is loaded at boot)
> >
> >rafan@woodstock|UTF-8 [~] (15:57)$ sysctl dev.cpu
> >dev.cpu.0.%desc: ACPI CPU (3 Cx states)
> >dev.cpu.0.%driver: cpu
> >dev.cpu.0.%location: handle=3D\_PR_.CPU_
> >dev.cpu.0.%pnpinfo: _HID=3Dnone _UID=3D0
> >dev.cpu.0.%parent: acpi0
> >dev.cpu.0.freq: 1399
> >dev.cpu.0.freq_levels: -738340620/0 0/0 0/0
>=20
> Which cpufreq drivers are detected in dmesg (ichss, est, p4tcc,=20
> acpi_perf, acpi_throttle)?

cpu0: <ACPI CPU (3 Cx states)> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0=20

but I think Pentium M is est only, no p4tcc.

Regards,
Rong-En Fan