[lm-sensors] Weird Voltage Values on a nForce4 motherboard

Jeremy Harmon intrathink at gmail.com
Sat Jul 7 06:11:49 CEST 2007


I'm sure these voltage values can't be correct, all of the temps seem
accurate though.

k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:
             +47°C

w83627thf-isa-0290
Adapter: ISA adapter
VCore:     +1.57 V  (min =  +0.70 V, max =  +1.87 V)
+12V:      +3.65 V  (min =  +0.79 V, max =  +0.79 V)       ALARM
+3.3V:     +3.39 V  (min =  +0.80 V, max =  +0.13 V)       ALARM
+5V:       +4.96 V  (min =  +6.45 V, max =  +5.33 V)       ALARM
-12V:      +0.39 V  (min = -13.35 V, max = -14.91 V)       ALARM
V5SB:      +4.95 V  (min =  +0.91 V, max =  +3.44 V)       ALARM
VBat:      +3.06 V  (min =  +1.49 V, max =  +0.86 V)       ALARM
fan1:        0 RPM  (min = 9375 RPM, div = 8)              ALARM
CPU Fan:  3183 RPM  (min = 21093 RPM, div = 8)              ALARM
fan3:     6553 RPM  (min = 25000 RPM, div = 2)              ALARM
M/B Temp:    +38°C  (high =  +125°C, hyst =   -25°C)   sensor =
diode
CPU Temp:  +45.0°C  (high =   +80°C, hyst =   -25°C)   sensor =
diode
temp3:     +67.0°C  (high =  +125°C, hyst =   -25°C)   sensor =
diode
vid:      +0.000 V  (VRM Version 2.4)
alarms:   Chassis intrusion detection                      ALARM
beep_enable:
          Sound alarm enabled


-----------------------------------
sensors-detect

We can start with probing for (PCI) I2C or SMBus adapters.
Do you want to probe now? (YES/no):
Probing for PCI bus adapters...
Use driver `i2c-nforce2' for device 0000:00:01.1: nVidia Corporation nForce4
SMBus (MCP)

We will now try to load each adapter module in turn.
Module `i2c-nforce2' already loaded.
If you have undetectable or unsupported adapters, you can have them
scanned by manually loading the modules before running this script.

To continue, we need module `i2c-dev' to be loaded.
Do you want to load `i2c-dev' now? (YES/no):
Module loaded successfully.

We are now going to do the I2C/SMBus adapter probings. Some chips may
be double detected; we choose the one with the highest confidence
value in that case.
If you found that the adapter hung after probing a certain address,
you can specify that address to remain unprobed.

Next adapter: NVIDIA i2c adapter 2 at 5:00.0
Do you want to scan it? (YES/no/selectively):

Next adapter: NVIDIA i2c adapter 1 at 5:00.0
Do you want to scan it? (YES/no/selectively):

Next adapter: NVIDIA i2c adapter 0 at 5:00.0
Do you want to scan it? (YES/no/selectively):
Client found at address 0x37
Client found at address 0x50
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Probing for `EDID EEPROM'...                                Success!
    (confidence 8, driver `eeprom'), other addresses: 0x51 0x52 0x53 0x54
0x55 0x56 0x57
Probing for `Maxim MAX6900'...                              No
Client found at address 0x51
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Client found at address 0x52
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Client found at address 0x53
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Client found at address 0x54
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Client found at address 0x55
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Client found at address 0x56
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Client found at address 0x57
Probing for `SPD EEPROM'...                                 Success!
    (confidence 1, driver `eeprom')
Probing for `Sony Vaio EEPROM'...                           No

Next adapter: ivtv i2c driver #0
Do you want to scan it? (YES/no/selectively):
Client found at address 0x1b
Handled by driver `wm8775' (already loaded), chip type `wm8775'
    (note: this is probably NOT a sensor chip!)
Client found at address 0x43
Handled by driver `tuner' (already loaded), chip type `tda9887'
    (note: this is probably NOT a sensor chip!)
Client found at address 0x44
Handled by driver `cx25840' (already loaded), chip type `cx25840'
    (note: this is probably NOT a sensor chip!)
Client found at address 0x50
Handled by driver `tveeprom' (already loaded), chip type `tveeprom'
    (note: this is probably NOT a sensor chip!)
Client found at address 0x61
Handled by driver `tuner' (already loaded), chip type `LG NTSC (TAPE
series)'
    (note: this is probably NOT a sensor chip!)

Next adapter: SMBus nForce2 adapter at 4c40
Do you want to scan it? (YES/no/selectively):
Client found at address 0x08
Client found at address 0x2f
Probing for `National Semiconductor LM78'...                No
Probing for `National Semiconductor LM78-J'...              No
Probing for `National Semiconductor LM79'...                No
Probing for `National Semiconductor LM80'...                No
Probing for `Analog Devices ADT7470'...                     No
Probing for `Winbond W83781D'...                            No
Probing for `Winbond W83782D'...                            No
Probing for `Winbond W83792D'...                            No
Probing for `Winbond W83793R/G'...                          No
Probing for `Winbond W83791SD'...                           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 `Analog Devices ADM9240'...                     No
Probing for `Dallas Semiconductor DS1780'...                No
Probing for `National Semiconductor LM81'...                No
Probing for `Analog Devices ADM1029'...                     No
Probing for `ITE IT8712F'...                                No
Probing for `Fintek custom power control IC'...             No
Probing for `Winbond W83791D'...                            No

Next adapter: SMBus nForce2 adapter at 4c00
Do you want to scan it? (YES/no/selectively):
Client found at address 0x08
Client found at address 0x50
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Success!
    (confidence 8, driver `eeprom')
Probing for `EDID EEPROM'...                                No
Probing for `Maxim MAX6900'...                              No
Client found at address 0x51
Probing for `Analog Devices ADM1033'...                     No
Probing for `Analog Devices ADM1034'...                     No
Probing for `SPD EEPROM'...                                 Success!
    (confidence 8, driver `eeprom')

Some chips are also 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 LM78-J' 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
Probing for `Winbond W83627HF' at 0x290...                  No
Probing for `Silicon Integrated Systems SIS5595'...         No
Probing for `VIA VT82C686 Integrated Sensors'...            No
Probing for `VIA VT8231 Integrated Sensors'...              No
Probing for `AMD K8 thermal sensors'...                     Success!
    (confidence 9, driver `k8temp')
Probing for `IPMI BMC KCS' at 0xca0...                      No
Probing for `IPMI BMC SMIC' at 0xca8...                     No

Some Super I/O chips may also contain 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 `ITE'...                                      No
Trying family `National Semiconductor'...                   No
Trying family `SMSC'...                                     No
Trying family `VIA/Winbond/Fintek'...                       No
Probing for Super-I/O at 0x4e/0x4f
Trying family `ITE'...                                      No
Trying family `National Semiconductor'...                   No
Trying family `SMSC'...                                     No
Trying family `VIA/Winbond/Fintek'...                       Yes
Found `Winbond W83627THF Super IO Sensors'                  Success!
    (address 0x290, driver `w83627hf')

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

Driver `eeprom' (should be inserted):
  Detects correctly:
  * Bus `NVIDIA i2c adapter 0 at 5:00.0'
    Busdriver `UNKNOWN', I2C address 0x50 (and 0x51 0x52 0x53 0x54 0x55 0x56
0x57)
    Chip `EDID EEPROM' (confidence: 8)
  * Bus `SMBus nForce2 adapter at 4c00'
    Busdriver `i2c-nforce2', I2C address 0x50
    Chip `SPD EEPROM' (confidence: 8)
  * Bus `SMBus nForce2 adapter at 4c00'
    Busdriver `i2c-nforce2', I2C address 0x51
    Chip `SPD EEPROM' (confidence: 8)

  EEPROMs are *NOT* sensors! They are data storage chips commonly
  found on memory modules (SPD), in monitors (EDID), or in some
  laptops, for example.

Driver `k8temp' (should be inserted):
  Detects correctly:
  * ISA bus, undetermined address (Busdriver `i2c-isa')
    Chip `AMD K8 thermal sensors' (confidence: 9)

Driver `w83627hf' (should be inserted):
  Detects correctly:
  * ISA bus address 0x0290 (Busdriver `i2c-isa')
    Chip `Winbond W83627THF Super IO Sensors' (confidence: 9)

I will now generate the commands needed to load the required modules.
Just press ENTER to continue:

To make the sensors modules behave correctly, add these lines to
/etc/modules:

#----cut here----
# I2C adapter drivers
# modprobe unknown adapter ivtv i2c driver #0
# modprobe unknown adapter NVIDIA i2c adapter 0 at 5:00.0
# modprobe unknown adapter NVIDIA i2c adapter 1 at 5:00.0
# modprobe unknown adapter NVIDIA i2c adapter 2 at 5:00.0
i2c-nforce2
# Chip drivers
eeprom
k8temp
w83627hf
#----cut here----

Thanks,
jeremy
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