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
www.ClubIbosim.org
Linux: usuari registrat 190.783
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