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Sensores de temperatura

lm_sensorslm-sensors es un proyecto con utilidades para monitorizar el hardware del equipo, entre las cosas que podemos monitorizar es la temperatura, la configuración es muy sencilla dado que podemos usar un asistente, en primer lugar instalamos el paquete:

$ sudo apt-get install lm-sensors

Una vez instalado procedemos a configurarlo:

$ sudo sensors-detect
# sensors-detect revision 5666 (2009-02-26 17:15:04 +0100)
# System: VIA Technologies, Inc. VT82C694X
# Board: Legend QDI Advance-10T

This program will help you determine which kernel modules you need
to load to use lm_sensors most effectively. It is generally safe
and recommended to accept the default answers to all questions,
unless you know what you're doing.

Some south bridges, CPUs or memory controllers contain embedded sensors.
Do you want to scan for them? This is totally safe. (YES/no):
Silicon Integrated Systems SIS5595...                       No
VIA VT82C686 Integrated Sensors...                          Success!
    (driver `via686a')
VIA VT8231 Integrated Sensors...                            No
AMD K8 thermal sensors...                                   No
AMD K10 thermal sensors...                                  No
Intel Core family thermal sensor...                         No
Intel AMB FB-DIMM thermal sensor...                         No
VIA C7 thermal and voltage sensors...                       No

Some Super I/O chips contain embedded sensors. We have to write to
standard I/O ports to probe them. This is usually safe.
Do you want to scan for Super I/O sensors? (YES/no):
Probing for Super-I/O at 0x2e/0x2f
Trying family `National Semiconductor'...                   No
Trying family `SMSC'...                                     No
Trying family `VIA/Winbond/Fintek'...                       No
Trying family `ITE'...                                      No
Probing for Super-I/O at 0x4e/0x4f
Trying family `National Semiconductor'...                   No
Trying family `SMSC'...                                     No
Trying family `VIA/Winbond/Fintek'...                       No
Trying family `ITE'...                                      No

Some systems (mainly servers) implement IPMI, a set of common interfaces
through which system health data may be retrieved, amongst other things.
We have to read from arbitrary I/O ports to probe for such interfaces.
This is normally safe. Do you want to scan for IPMI interfaces?
(YES/no):
Probing for `IPMI BMC KCS' at 0xca0...                      No
Probing for `IPMI BMC SMIC' at 0xca8...                     No

Some hardware monitoring chips are accessible through the ISA I/O ports.
We have to write to arbitrary I/O ports to probe them. This is usually
safe though. Yes, you do have ISA I/O ports even if you do not have any
ISA slots! Do you want to scan the ISA I/O ports? (YES/no):
Probing for `National Semiconductor LM78' at 0x290...       No
Probing for `National Semiconductor LM79' at 0x290...       No
Probing for `Winbond W83781D' at 0x290...                   No
Probing for `Winbond W83782D' at 0x290...                   No

Lastly, we can probe the I2C/SMBus adapters for connected hardware
monitoring devices. This is the most risky part, and while it works
reasonably well on most systems, it has been reported to cause trouble
on some systems.
Do you want to probe the I2C/SMBus adapters now? (YES/no):
Using driver `i2c-viapro' for device 0000:00:07.4: VIA Technologies VT82C686 Apollo ACPI
WARNING: All config files need .conf: /etc/modprobe.d/display_class, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/blacklist, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/pnp-hotplug, it will be ignored in a future release.
Module i2c-dev loaded successfully.

Next adapter: SMBus Via Pro adapter at 5000 (i2c-0)
Do you want to scan it? (YES/no/selectively):
Client found at address 0x2d
Probing for `Myson MTP008'...                               No
Probing for `National Semiconductor LM78'...                No
Probing for `National Semiconductor LM79'...                No
Probing for `National Semiconductor LM80'...                Success!
    (confidence 1, driver `lm80')
Probing for `National Semiconductor LM85'...                No
Probing for `National Semiconductor LM96000 or PC8374L'...  No
Probing for `Analog Devices ADM1027'...                     No
Probing for `Analog Devices ADT7460 or ADT7463'...          No
Probing for `SMSC EMC6D100 or EMC6D101'...                  No
Probing for `SMSC EMC6D102'...                              No
Probing for `SMSC EMC6D103'...                              No
Probing for `Winbond WPCD377I'...                           No
Probing for `Analog Devices ADT7476'...                     No
Probing for `Andigilog aSC7611'...                          No
Probing for `Andigilog aSC7621'...                          No
Probing for `National Semiconductor LM87'...                No
Probing for `Analog Devices ADM1024'...                     No
Probing for `National Semiconductor LM93'...                No
Probing for `Winbond W83781D'...                            No
Probing for `Winbond W83782D'...                            No
Probing for `Winbond W83783S'...                            No
Probing for `Winbond W83791D'...                            No
Probing for `Winbond W83792D'...                            No
Probing for `Winbond W83793R/G'...                          No
Probing for `Winbond W83627HF'...                           No
Probing for `Winbond W83627EHF'...                          No
Probing for `Winbond W83627DHG'...                          No
Probing for `Asus AS99127F (rev.1)'...                      No
Probing for `Asus AS99127F (rev.2)'...                      No
Probing for `Asus ASB100 Bach'...                           No
Probing for `Winbond W83L784R/AR/G'...                      No
Probing for `Winbond W83L785R/G'...                         No
Probing for `Genesys Logic GL518SM'...                      No
Probing for `Genesys Logic GL520SM'...                      No
Probing for `Genesys Logic GL525SM'...                      No
Probing for `Analog Devices ADM9240'...                     No
Probing for `Dallas Semiconductor DS1780'...                No
Probing for `National Semiconductor LM81'...                No
Probing for `Analog Devices ADM1026'...                     No
Probing for `Analog Devices ADM1025'...                     No
Probing for `Philips NE1619'...                             No
Probing for `Analog Devices ADM1029'...                     No
Probing for `Analog Devices ADM1030'...                     No
Probing for `Analog Devices ADM1031'...                     No
Probing for `Analog Devices ADM1022'...                     No
Probing for `Texas Instruments THMC50'...                   No
Probing for `VIA VT1211 (I2C)'...                           No
Probing for `ITE IT8712F'...                                No
Probing for `ALi M5879'...                                  No
Probing for `SMSC LPC47M15x/192/292/997'...                 No
Probing for `SMSC DME1737'...                               No
Probing for `SMSC SCH5027D-NW'...                           No
Probing for `Fintek F75373S/SG'...                          No
Probing for `Fintek F75375S/SP'...                          No
Probing for `Fintek F75387SG/RG'...                         No
Probing for `Winbond W83791SD'...                           No
Client found at address 0x50
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Yes
    (confidence 8, not a hardware monitoring chip)
Probing for `EDID EEPROM'...                                No
Client found at address 0x51
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Yes
    (confidence 8, not a hardware monitoring chip)
Client found at address 0x52
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Yes
    (confidence 8, not a hardware monitoring chip)

Now follows a summary of the probes I have just done.
Just press ENTER to continue:

Driver `lm80':
  * Bus `SMBus Via Pro adapter at 5000'
    Busdriver `i2c-viapro', I2C address 0x2d
    Chip `National Semiconductor LM80' (confidence: 1)

Driver `via686a':
  * Chip `VIA VT82C686 Integrated Sensors' (confidence: 9)

To load everything that is needed, add this to /etc/modules:
#----cut here----
# Chip drivers
lm80
via686a
#----cut here----
If you have some drivers built into your kernel, the list above will
contain too many modules. Skip the appropriate ones!

Do you want to add these lines automatically to /etc/modules? (yes/NO)

Unloading i2c-dev... OK

Una vez configurado, procedemos a ver la temperatura.

$ sensors
via686a-isa-6000
Adapter: ISA adapter
CPU core:    +1.51 V  (min =  +0.06 V, max =  +3.10 V)
+2.5V:       +2.55 V  (min =  +2.36 V, max =  +2.61 V)
I/O:         +3.44 V  (min =  +3.12 V, max =  +3.45 V)
+5V:         +4.98 V  (min =  +4.73 V, max =  +5.20 V)
+12V:       +12.12 V  (min = +11.35 V, max = +12.48 V)
CPU Fan:    1493 RPM  (min = 42187 RPM, div = 8)
P/S Fan:       0 RPM  (min = 1048 RPM, div = 8)
SYS Temp:    +36.0°C  (high = +146.2°C, hyst = -70.9°C)
CPU Temp:    +34.0°C  (high = +146.2°C, hyst = -70.9°C)
SBr Temp:    +21.3°C  (high = +34.8°C, hyst = -31.6°C)