ENVCTRL(4) | Device Drivers Manual (sparc64) | ENVCTRL(4) |
envctrl
— Sun
Ultra Enterprise 450 environmental monitoring
envctrl* at ebus?
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 |
The envctrl
driver first appeared in
NetBSD 5.0.
Tobias Nygren <tnn@NetBSD.org>
The driver doesn't support SUNW,envctrltwo found on the Ultra Enterprise 250.
Environmental interrupts are not supported.
April 14, 2007 | NetBSD 10.99 |