1.\" 2.\" This file and its contents are supplied under the terms of the 3.\" Common Development and Distribution License ("CDDL"), version 1.0. 4.\" You may only use this file in accordance with the terms of version 5.\" 1.0 of the CDDL. 6.\" 7.\" A full copy of the text of the CDDL should have accompanied this 8.\" source. A copy of the CDDL is also available via the Internet at 9.\" http://www.illumos.org/license/CDDL. 10.\" 11.\" 12.\" Copyright 2019 Robert Mustacchi 13.\" 14.Dd December 24, 2019 15.Dt AMDNBTEMP 4D 16.Os 17.Sh NAME 18.Nm amdnbtemp 19.Nd AMD northbridge temperature sensor driver 20.Sh SYNOPSIS 21.Pa /dev/sensors/temperature/cpu/* 22.Sh DESCRIPTION 23The 24.Nm 25driver provides the system the ability to read the temperature sensor 26found in several AMD processors. 27This includes the K10 microarchitecture, and its derivatives, as well as 28the Bulldozer microarchitecture. 29The following AMD processors are supported: 30.Bl -dash 31.It 32AMD Family 10h Processors 33.Pq K10 34.It 35AMD Family 11h Processors 36.Pq Turion X2 Ultra 37.It 38AMD Family 12h Processors 39.Pq Llano APUs 40.It 41AMD Family 14h Processors 42.Pq Bobcat 43.It 44Family 15h models 0-fh, 10h-1fh, 30-3fh 45.Pq Bulldozer and Piledriver 46.It 47AMD Family 16h Processors 48.Pq Puma and Jaguar 49.El 50.Pp 51Some AMD Family 10h processors that utilize socket F and socket AM2 are 52subject to erratum 319 which indicates that the temperature sensor has 53an inaccurate measurement. 54If such a processor is detected, the system does not attach a 55temperature sensor to the device. 56.Pp 57AMD Family 15h models 60-7fh 58.Pq Steamroller and Excavator 59are not supported at this time. 60.Pp 61For AMD Family 17h 62.Pq Zen 63processors, the 64.Xr smntemp 4D 65driver provides access to the temperature sensors. 66.Sh SEE ALSO 67.Xr smntemp 4D , 68.Xr fmadm 8 69.Rs 70.%A AMD 71.%B BIOS and Kernel Developer’s Guide (BKDG) for AMD Family 16h Models 00h-0Fh Processors 72.%O 49125 73.Re 74.Rs 75.%A AMD 76.%B Revision Guide for AMD Family 10h Processors 77.%O 41322 78.Re 79