Wrong temperature readings

Roger Håkansson roger.hakansson at algitech.com
Wed Apr 13 17:09:57 CEST 2005


Hi.
I have bunch of machines with Intel SE7210TP1-E motherboard running 
Fedora Core 2 and lm_sensors 2.8.6 (installed with yum).

Some of the machines report problems with the CPU temperature beeing to 
high ("CPU0: Temperature above threshold","CPU0: Running in modulated 
clock mode")

I've run 'sensors-detect', but when I run 'sensors' I get both wrong 
voltage readings(not that important) and wrong temperature readings.

----------------------------------------------------
w83627hf-isa-0290
Adapter: ISA adapter
VCore 1:   +0.03 V  (min =  +1.95 V, max =  +2.16 V)
VCore 2:   +1.18 V  (min =  +1.95 V, max =  +2.16 V)
+3.3V:     +3.33 V  (min =  +3.14 V, max =  +3.47 V)
+5V:       +4.97 V  (min =  +4.76 V, max =  +5.24 V)
+12V:     +11.98 V  (min = +10.82 V, max = +13.19 V)
-12V:      +1.21 V  (min = -13.18 V, max = -10.80 V)
-5V:       +0.33 V  (min =  -5.25 V, max =  -4.75 V)
V5SB:      +5.51 V  (min =  +4.76 V, max =  +5.24 V)
VBat:      +0.13 V  (min =  +2.40 V, max =  +3.60 V)
fan1:        0 RPM  (min = 5232 RPM, div = 2)
fan2:        0 RPM  (min = 10546 RPM, div = 2)
fan3:     5113 RPM  (min =   -1 RPM, div = 8)
temp1:      +127°C  (high =   +40°C, hyst =   +37°C)   sensor = 
PII/Celeron diode
temp2:    +127.5°C  (high =   +80°C, hyst =   +75°C)   sensor = 3904 
transistor   ALARM
temp3:    +126.5°C  (high =   +80°C, hyst =   +75°C)   sensor = 
thermistor   ALARM
vid:      +2.050 V
alarms:   Chassis intrusion detection                      ALARM
beep_enable:
           Sound alarm disabled
----------------------------------------------------


Some more info (I don't have physical access to the machines right now):
# sensors -v
sensors version 2.8.6
# uname -a
Linux wsl012 2.6.8-1.521smp #1 SMP Mon Aug 16 09:25:06 EDT 2004 i686 
i686 i386 GNU/Linux

Output from dmesg,ic2detect... is in attached files.

-- 
Roger Håkansson , Senior Consultant
Algitech Consulting AB
Södra Kungsgatan 3(Office)
Box 28, S-971 02 Luleå , Sweden
Tel:    +46 (0)920 88313    Mobile: +46 (0)705 549533
Fax:    +1 (0)928 222 7116  E-mail: roger.hakansson at algitech.com
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