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Centrino at 400 mhz feedback

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Es Dissabte 11 Desembre 2004 01:35, en Joan Tur va escriure:
| Mine is a GM855 + pentium-M 1500 and I'm using kernel 2.6.9-cko3.
| Despite it shows 400mhz in /etc/cpuinfo, 600mhz are shown
| in /sys/devices/system/cpu/cpu0/cpufreq/ as the actual speed value.  400mhz
| appears in available speeds, so does in scaling_min_freq and
| cpuinfo_min_freq.
This message is to make you know about my personal experiences, mainly because 
they are a bit different from what's been told in this thread:

- -the 200mhz speed doesn't work for me (Acer TM292); it's set back to 600mhz,
- -the 400mhz speed works, but:
 -using the voltage Dieter Jäger shows in his patch (844: 8,44V) it does 
"strange things" (a program suddenly refuses to work or kmail hangs when 
sending an email); I've tryed 8,72V instead, and have noticed no problem 
within the last 7 1/2 hours (hope it is not going to break  ;) )
 -"cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq" sets the minimum 
speed back to 600mhz
- -pseudo-files /proc/cpuinfo 
& /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq always show the 
actual cpu speed
- -gkrellm-x86info plugin shows 610 to 630mhz when cpu is running at 400mhz
- -I've changed back CONFIG_X86_PM_TIMER to NO because I haven't seen any more 
"loosing tics" messages in dmesg.  I think they appear when trying to cat the 
cpuinfo_cur_freq file

That's all for now...
Greetings from Eivissa!!  ;)
- -- 
Joan Tur (aka Quini), Eivissa-Spain
    Jabber: quini2k@jabber.org
       Yahoo & AIM: quini2k
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