54 lines
992 B
Groff
54 lines
992 B
Groff
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.\" $FreeBSD$
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.\"
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.Dd Apr 18, 2023
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.Dt NCTHWM 4
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.Os
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.Sh NAME
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.Nm ncthwm
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.Nd Hardware monitoring controller on Nuvoton Super I/Os
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.Sh SYNOPSIS
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.Cd "device ncthwm"
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.Cd "device superio"
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.Sh DESCRIPTION
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The
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.Nm
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is a driver for hardware monitoring controller that can be found in Nuvoton
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Super I/O chips. It expose fan speed via
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.Xr sysctl 8 .
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.Pp
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The
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.Nm
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driver supports the following chips:
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.Pp
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.Bl -bullet -compact
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.It
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Nuvoton NCT6779
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.It
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Nuvoton NCT6796D-E
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.El
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.Sh SYSCTL VARIABLES
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These variables are available as read-only
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.Xr sysctl 8
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variables:
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.Bl -tag -width indent
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.It Va dev.ncthwm.0.CPUFAN
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CPU fan speed in RPM.
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.It Va dev.ncthwm.0.SYSFAN
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System fan speed in RPM.
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.It Va dev.ncthwm.0.AUXFAN0
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AUX0 fan speed in RPM.
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.It Va dev.ncthwm.0.AUXFAN1
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AUX1 fan speed in RPM.
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.It Va dev.ncthwm.0.AUXFAN2
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AUX2 fan speed in RPM.
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.El
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.Sh HISTORY
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The driver first appeared in
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.Fx 14.0 .
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.Sh AUTHORS
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The driver was initially written by
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.An Stéphane Rochoy Aq Mt stephane.rochoy@stormshield.eu .
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