NAME
envctrl —
Sun Ultra Enterprise 450
environmental monitoring
SYNOPSIS
envctrl* at ebus?
DESCRIPTION
The
envctrl 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.
The following sensors can be queried with
envstat(8):
Sensor |
Units |
Description |
CPU0 |
degC |
Processor 0 temperature |
CPU1 |
degC |
Processor 1 temperature |
CPU2 |
degC |
Processor 2 temperature |
CPU3 |
degC |
Processor 3 temperature |
PS0 |
degC |
Power supply 0 temperature |
PS1 |
degC |
Power supply 1 temperature |
PS2 |
degC |
Power supply 2 temperature |
ambient |
degC |
Ambient temperature |
cpufan voltage |
V |
Voltage used to drive processor fans |
psfan voltage |
V |
Voltage used to drive power supply fans |
ps failed |
count |
number of failed power supplies |
fans failed |
count |
number of failed fans |
SEE ALSO
envsys(4),
envstat(8)
HISTORY
The
envctrl driver first appeared in
NetBSD
5.0.
AUTHORS
Tobias Nygren
<
tnn@NetBSD.org>
BUGS
The driver doesn't support SUNW,envctrltwo found on the Ultra Enterprise 250.
Environmental interrupts are not supported.