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NAME

     amdtemp — device driver for AMD K8, K10 and K11 on-die digital thermal sensor

SYNOPSIS

     To compile this driver into the kernel, place the following line in your kernel
     configuration file:

           device amdtemp

     Alternatively, to load the driver as a module at boot time, place the following line in
     loader.conf(5):

           amdtemp_load="YES"

DESCRIPTION

     The amdtemp driver provides support for the on-die digital thermal sensor present in AMD K8,
     K10 and K11 processors.

     For the K8 family, the amdtemp driver reports each cores' temperature through a sysctl node
     in the corresponding CPU devices's sysctl tree, named dev.amdtemp.%d.sensor{0,1}.core{0,1}.
     The driver also creates dev.cpu.%d.temperature displaying the maximum temperature of the two
     sensors located in each CPU core.

     For the K10 and K11 families, the driver creates dev.cpu.%d.temperature with the temperature
     of each core.

BUGS

     AMD K9 is not supported because temperature reporting has been replaced by Maltese.

SEE ALSO

     sysctl(8)

HISTORY

     The amdtemp driver first appeared in FreeBSD 7.1.

AUTHORS

     Rui Paulo <rpaulo@FreeBSD.org>
     Norikatsu Shigemura <nork@FreeBSD.org>