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amdtemp(4) [netbsd man page]

AMDTEMP(4)						   BSD Kernel Interfaces Manual 						AMDTEMP(4)

amdtemp -- AMD CPU on-die digital thermal sensor SYNOPSIS
amdtemp* at pchb? DESCRIPTION
The amdtemp driver provides support for the on-die digital thermal sensor present on AMD K8, AMD Barcelona, AMD Phenom, AMD Griffin, and AMD Fusion CPUs. These sensors were officially introduced in AMD K8 Revision F processors, and provide 0.5 degC accuracy. Precision was improved in Revision G chips, which provide two more bits for 0.25 degC steppings. Each core has two temperature sensors, and there are up to two cores per CPU socket. AMD Barcelona, AMD Phenom, AMD Griffin, and AMD Fusion provide 0.125 degC accuracy and provide one temperature sensor for each CPU socket. The amdtemp driver reports temperatures through the envsys(4) API. Sensor Units Typical Use CPUN sensor0 uK cpuN temperature SEE ALSO
envsys(4), envstat(8), powerd(8) HISTORY
The amdtemp driver first appeared in OpenBSD 4.4 named ``kate''. It was then ported to NetBSD 5.0. The driver has been renamed with support for newer AMD CPUs. AUTHORS
The amdtemp driver was written by Constantine A. Murenin <> whilst at the University of Waterloo. It was adapted to NetBSD by Christoph Egger. BSD
March 2, 2012 BSD

Check Out this Related Man Page

AMDPM(4)						   BSD Kernel Interfaces Manual 						  AMDPM(4)

amdpm -- AMD 756/766/768/8111 Power Management controller driver SYNOPSIS
device smbus device smb device amdpm DESCRIPTION
This driver provides access to AMD 756/766/768/8111 Power management controllers. Currently, only the SMBus 1.0 controller function is implemented. The SMBus 2.0 functionality of the AMD 8111 controller is supported via the amdsmb(4) driver. The embedded SMBus controller of the AMD 756 chipset may give you access to the monitoring facilities of your mainboard. See smb(4) for writing user code to fetch voltages, temperature and so on from the monitoring chip of your mainboard. SEE ALSO
amdsmb(4), smb(4), smbus(4) HISTORY
The amdpm driver first appeared in FreeBSD 4.5. AUTHORS
This driver was written by Matthew C. Forman. Based heavily on the alpm driver by Nicolas Souchu. This manual page was written by Murray Stokely <>. BUGS
Only polling mode is supported. BSD
December 31, 2005 BSD
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