[ltp] cpu MHz & TP-T30 & FC3

[Pino Giaquinto]

Why it save power when I use AC adapter ?
I want speed !

I remember that XP use cup at 1.8 GHz in AC and 1.2 GHz in DC mode 
(battery)...

----- Original Message ----- 
From: "Christopher Sawtell" <csawtell@paradise.net.nz>
To: <linux-thinkpad@linux-thinkpad.org>
Sent: Friday, January 14, 2005 9:17 AM
Subject: Re: [ltp] cpu MHz & TP-T30 & FC3


> On Fri, 14 Jan 2005 21:06, Pino Giaquinto wrote:
>> When I type form the console:
>>
>> cat /proc/cpuinfo
>>
>> With AC power supply I see:
>>
>> processor : 0
>> vendor_id : GenuineIntel
>> cpu family : 15
>> model : 2
>> model name : Intel(R) Pentium(R) 4 Mobile CPU 1.80GHz
>> stepping : 4
>> cpu MHz : 1196.263
>>  ...
>>
>> Must be 'cpu MHz : 1800' when I use AC power supply and 'cpu MHz : 1200'
>> when I use battery???
> Correct.
>
>> Besides If I type:
>>
>> cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
>>
>> I see:
>>
>> 1200000
>>
>> If I type
>>
>> cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
>>
>> I see:
>>
>> 1800000
>>
>> Please help me...!
> Everything is working correctly.
> The cpu is being throttled to preserve battery power, that's all.
> There are other cpu speed management systems which reduce the frequency 
> even
> more.
>
> -- 
> Sincerely etc.,
> Christopher Sawtell
> -- 
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