owtemp(4) [netbsd man page]
OWTEMP(4) BSD Kernel Interfaces Manual OWTEMP(4) NAME
owtemp -- 1-Wire temperature family type device SYNOPSIS
owtemp* at onewire? DESCRIPTION
The owtemp driver provides support for the 1-Wire temperature sensor. The sensor possesses a single temperature value that can be accessed through the envsys(4) interface. The following chips are supported by the driver: o Maxim/Dallas DS18B20, DS1822, DS1920 SEE ALSO
envsys(4), intro(4), onewire(4), envstat(8) HISTORY
The owtemp driver first appeared in OpenBSD 4.0 and NetBSD 4.0. AUTHORS
The owtemp driver was written by Alexander Yurchenko <grange@openbsd.org> and was ported to NetBSD by Jeff Rizzo <riz@NetBSD.org>. BSD
April 4, 2006 BSD
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AMDTEMP(4) BSD Kernel Interfaces Manual AMDTEMP(4) NAME
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 <cnst@openbsd.org> whilst at the University of Waterloo. It was adapted to NetBSD by Christoph Egger. BSD
March 2, 2012 BSD