[lm-sensors] Intel DQ45CB motherboard and weird sensors output

Gabriel C crazy at frugalware.org
Wed Feb 18 00:53:35 CET 2009


Jean Delvare wrote:

Hi Jean ,

> Hi Gabriel,
> 
> On Thu, 12 Feb 2009 01:51:47 +0100, Gabriel C wrote:
>> (...)
>> sensors-detect detects an LM96000 chip ( with lm85 driver ? ) on
>> smbus but all temperatures are empty ?;/
>> (...)
>> The sensors output after loading coretemp and lm85 is :
>>
>> lm85-i2c-0-2e
>> Adapter: SMBus I801 adapter at f000
>> V1.5:        +0.00 V  (min =  +0.00 V, max =  +3.32 V)
>> VCore:       +0.00 V  (min =  +0.00 V, max =  +2.99 V)
>> V3.3:        +0.00 V  (min =  +0.00 V, max =  +4.38 V)
>> V5:          +0.00 V  (min =  +0.00 V, max =  +6.64 V)
>> V12:         +0.00 V  (min =  +0.00 V, max = +15.94 V)
>> CPU_Fan:       0 RPM  (min =    0 RPM)  ALARM
>> fan2:          0 RPM  (min =    0 RPM)  ALARM
>> fan3:          0 RPM  (min =    0 RPM)  ALARM
>> fan4:          0 RPM  (min =    0 RPM)  ALARM
>> CPU Temp:     +0.0°C  (low  = -127.0°C, high = +127.0°C)
>> Board Temp:   +0.0°C  (low  = -127.0°C, high = +127.0°C)
>> Remote Temp:  +0.0°C  (low  = -127.0°C, high = +127.0°C)
>> cpu0_vid:   +2.050 V
>> (...)
>> Any idea what is wrong here ?
> 
> Seems to be the same as:
> http://www.lm-sensors.org/ticket/2182
> 
> Please try to find out what your Super-I/O chip is. My current theory
> is that the above output is from a WPCD377I, which is compatible with
> the PC8374L except that it doesn't include hardware monitoring
> features. Why the designers would have made the chip still answer on
> the SMBus is beyond me.
> 
> So, please try to figure out if your Intel DQ45CB board has a PC8374L
> or WPCD377I or something else. If it is confirmed that the WPCD377I
> present itself as a disabled LM96000 I'll fix sensors-detect to no
> longer report it as an LM96000.
> 


I've found the following Super-I/O chip on the mobo :

Winbond WPCD377IAUFG

So it seems you are right.

Gabriel





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