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From: Jia-Shiun Li <jiashiun@gmail.com>
Date: Wed, 7 May 2014 12:14:16 +0800
Message-ID: <CAHNYxxMLW+zvY0gOq2NV=pANPJ8puJZAHzMBQ7hTY0VvVq4NaQ@mail.gmail.com>
Subject: Re: Leaving the Desktop Market
To: Matthias Apitz <guru@unixarea.de>
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Cc: freebsd-current <freebsd-current@freebsd.org>
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On Wed, May 7, 2014 at 1:05 AM, Matthias Apitz <guru@unixarea.de> wrote:
>
> # dmesg
> ...
> CPU: Intel(R) Celeron(R) M processor          900MHz (900.11-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0x6d8  Family = 0x6  Model = 0xd  Stepping = 8
>   Features=0xafe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,PBE>
>   AMD Features=0x100000<NX>
> real memory  = 2147483648 (2048 MB)
> avail memory = 2076614656 (1980 MB)
>

The Celeron M CPU is a Pentium-M without EIST. Otherwise you'd see EST
bit set in Features2. See https://wiki.freebsd.org/AsusEee. Guess
that's why Asus deliberately underclocked it to 630MHz in the first
gen EEE PC 701 - no automatic way available.

Don't know if p4tcc or acpi_throttle helps, though.


-Jia-Shiun.