NAME
envctrl —
Sun Ultra Enterprise 450 environmental
monitoring
SYNOPSIS
envctrl* at ebus?
DESCRIPTION
Theenvctrl 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
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.