ACPI thermal allways 22.0 degrees C on AMD Athlon 64

acpi seems to allways report 22 degrees for Thermal 1.
Tried to set polling frecuency but it didn't solve the problem.
=BFam I doing something wrong?

acpi -V reports:
No support for device type: battery
No support for device type: ac_adapter
      Thermal 1: ok, 22.0 degrees C

but it doesn't reflect the higher values reported by BIOS and allways
shows the same value. (shouln't it also show other temperatures, my=20
mother seems to have sensors for cpu temp, sys temp and =BFnb? temp.

Kernel version: 2.6.14.2
 From cpuid: AMD Athlon(tm) 64 Processor 3000+
My motherboard is an MSI K8N Neo4 (MS-7125 (v1.X) ATX

Cat of files on directory thrm:
---------------- cooling_mode --------------
cooling mode:   active
----------------- polling_frequency --------------
polling frequency:       1 seconds
----------------- state --------------
state:                   ok
----------------- temperature --------------
temperature:             22 C
----------------- trip_points --------------
critical (S5):           97 C
passive:                 50 C: tc1=3D4 tc2=3D3 tsp=3D60 devices=3D0xdffee=
fc0
active[0]:               50 C: devices=3D0xc14d9f20





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