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.Dd April 14, 2007 .Dt ENVCTRL 4 sparc64 .Os .Sh NAME .Nm envctrl .Nd .Tn Sun Ultra Enterprise 450 environmental monitoring .Sh SYNOPSIS .Cd "envctrl* at ebus?" .Sh DESCRIPTION The .Nm driver provides thermal monitoring of processors and power supplies, as well as automatic fan regulation. The driver attaches to the SUNW,envctrl subsystem found on Ultra Enterprise 450 systems.
p The following sensors can be queried with .Xr envstat 8 : l -column "xxxxxxxxxxxxx" "Unit" "Description" -offset indent t Sy "Sensor" Ta Sy "Units" Ta Sy "Description" t Li "CPU0" Ta "degC" Ta "Processor 0 temperature" t Li "CPU1" Ta "degC" Ta "Processor 1 temperature" t Li "CPU2" Ta "degC" Ta "Processor 2 temperature" t Li "CPU3" Ta "degC" Ta "Processor 3 temperature" t Li "PS0" Ta "degC" Ta "Power supply 0 temperature" t Li "PS1" Ta "degC" Ta "Power supply 1 temperature" t Li "PS2" Ta "degC" Ta "Power supply 2 temperature" t Li "ambient" Ta "degC" Ta "Ambient temperature" t Li "cpufan voltage" Ta "V" Ta "Voltage used to drive processor fans" t Li "psfan voltage" Ta "V" Ta "Voltage used to drive power supply fans" t Li "ps failed" Ta "count" Ta "number of failed power supplies" t Li "fans failed" Ta "count" Ta "number of failed fans" .El .Sh SEE ALSO .Xr envsys 4 , .Xr envstat 8 .Sh HISTORY The .Nm driver first appeared in .Nx 5.0 . .Sh AUTHORS .An Tobias Nygren Aq Mt tnn@NetBSD.org .Sh BUGS The driver doesn't support SUNW,envctrltwo found on the Ultra Enterprise 250.
p Environmental interrupts are not supported.