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sensors-detect(8)


NAME

   sensors-detect - detect hardware monitoring chips

SYNOPSIS

   sensors-detect [ --auto ]

DESCRIPTION

   sensors-detect is an interactive program that will walk you through the
   process of scanning your system for various hardware monitoring  chips,
   or  sensors,  supported  by  libsensors(3),  or  more  generally by the
   lm_sensors tool suite.

   sensors-detect will look for the following devices, in order:

   *      Sensors embedded in CPUs, south bridges and memory controllers.

   *      Sensors embedded in Super I/O chips.

   *      Hardware monitoring chips accessed through ISA I/O ports.

   *      Hardware monitoring chips  reachable  over  the  SMBus  or  more
          generally any I2C bus on your system.

   As the last two detection steps can cause trouble on some systems, they
   are normally not attempted if the second  detection  step  led  to  the
   discovery  of  a  Super  I/O  chip  with  complete  hardware monitoring
   features.  However, the user is always free to ask  for  all  detection
   steps  if  so is his/her wish. This can be useful if a given system has
   more than one hardware monitoring chip. Some vendors are  known  to  do
   this, most notably Asus and Tyan.

OPTIONS

   --auto Run  in  automatic, non-interactive mode. Assume default answers
          to all questions. Note that this isn't necessarily safe  as  the
          internal  logic  may  lead to potentially dangerous probes being
          attempted. See the WARNING section below.

WARNING

   sensors-detect needs to access  the  hardware  for  most  of  the  chip
   detections.   By  definition,  it  doesn't  know  which chips are there
   before it manages to identify them. This means that it can access chips
   in  a  way these chips do not like, causing problems ranging from SMBus
   lockup to permanent hardware damage (a rare case, thankfully.)

   The authors made their best to make the detection as safe as  possible,
   and  it  turns  out  to  work  just  fine  in most cases, however it is
   impossible to guarantee that sensors-detect will not  lock  or  kill  a
   specific  system.  So,  as a rule of thumb, you should not run sensors-
   detect on production servers, and you should not run sensors-detect  if
   can't  afford  replacing  a  random  part  of  your system. Also, it is
   recommended to not force a detection step which would have been skipped
   by default, unless you know what you are doing.

SEE ALSO

   sensors(1), libsensors(3)

AUTHOR

   Frodo Looijaard and Jean Delvare



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