Re: overheated laptop

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Satish Balay wrote:
On Sat, 27 Nov 2004, sly wrote:


i have 2 laptops: a dell inspiron 8000 (p3) and a dell inspiron 5100 (p4). the
p3 has fc2 and runs perfect! on the other side the p4 had fc2 and had
overheating problems. now i installed fc3 and it still has overheating
problems. the fen runs continuously and the temperature is at 68C average.
sometimes it reaches the critical 80C and it shuts off. i wasn't able to find
any helpful info on the web or i just didn't know where to look. any helpful
info would be appreciated.


Well - P4 chips are power hungry - so that could be an unsolveable
problem.  Is it a mobile P4? If so - it should support speedstep. Does
it work?

Try the following:
# grep MHz /proc/cpuinfo
model name      : Intel(R) Pentium(R) M processor 1600MHz
cpu MHz         : 598.068

this is the output before:

# grep Hz /proc/cpuinfo
model name      : Intel(R) Pentium(R) 4 CPU 2.80GHz
cpu MHz         : 2791.430

and this folder is empty:

/sys/devices/system/cpu/cpu0/

i don't have the files you were telling me about.

i've followed the link u gave me, changed 'speedstep-smi' to
'p4-clockmod' (which is for p4) not 'peedstep-ich':

edit /etc/cpuspeed.conf, modify the DRIVER line to read:

	DRIVER="p4-clockmod"

add this line into /etc/modprobe.conf:

	options p4-clockmod smi_port=0xb2 smi_cmd=0x82 smi_sig=1

and now i get this output:

# grep Hz /proc/cpuinfo
model name      : Intel(R) Pentium(R) 4 CPU 2.80GHz
cpu MHz         : 348.921

the files in this folder were created:

# ls /sys/devices/system/cpu/cpu0/cpufreq/
cpuinfo_cur_freq               scaling_available_governors  scaling_max_freq
cpuinfo_max_freq               scaling_cur_freq             scaling_min_freq
cpuinfo_min_freq               scaling_driver               scaling_setspeed
scaling_available_frequencies  scaling_governor

and i see the cpu speed varies now. i'm trying to find out if this will influence the temperature. i'll give it a little time.

---
sly
(561)601-4303
dsyc@xxxxx
73 6c 79



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