1.\" $FreeBSD$ 2.\" 3.Dd Apr 18, 2023 4.Dt NCTHWM 4 5.Os 6.Sh NAME 7.Nm ncthwm 8.Nd Hardware monitoring controller on Nuvoton Super I/Os 9.Sh SYNOPSIS 10.Cd "device ncthwm" 11.Cd "device superio" 12.Sh DESCRIPTION 13The 14.Nm 15is a driver for hardware monitoring controller that can be found in Nuvoton 16Super I/O chips. It expose fan speed via 17.Xr sysctl 8 . 18 19.Pp 20The 21.Nm 22driver supports the following chips: 23.Pp 24.Bl -bullet -compact 25.It 26Nuvoton NCT6779 27.It 28Nuvoton NCT6796D-E 29.El 30 31.Sh SYSCTL VARIABLES 32These variables are available as read-only 33.Xr sysctl 8 34variables: 35.Bl -tag -width indent 36.It Va dev.ncthwm.0.CPUFAN 37CPU fan speed in RPM. 38.It Va dev.ncthwm.0.SYSFAN 39System fan speed in RPM. 40.It Va dev.ncthwm.0.AUXFAN0 41AUX0 fan speed in RPM. 42.It Va dev.ncthwm.0.AUXFAN1 43AUX1 fan speed in RPM. 44.It Va dev.ncthwm.0.AUXFAN2 45AUX2 fan speed in RPM. 46.El 47 48.Sh HISTORY 49The driver first appeared in 50.Fx 14.0 . 51.Sh AUTHORS 52The driver was initially written by 53.An Stéphane Rochoy Aq Mt stephane.rochoy@stormshield.eu . 54