LMENV(4) | Device Drivers Manual | LMENV(4) |
lmenv
— National
Semiconductor LM81, LM87, and compatible hardware monitors
lmenv0 at iic0 addr 0x2c: ADM9240 rev
2
The lmenv
driver provides support for the
National Semiconductor LM87, National Semiconductor LM81, Analog Devices
ADM9240, and Dallas Semiconductor DS1780 iicbus hardware monitors. Sensor
values are reported through the
envstat(8) interface.
The lmenv
supports the following voltage,
temperature, and fan speed sensors:
Sensor | Type |
+2.5Vin |
Volts DC |
Vccp1 |
Volts DC |
+Vcc |
Volts DC |
+5Vin/Vcc |
Volts DC |
+12Vin |
Volts DC |
Vccp2 |
Volts DC |
External |
Temperature |
Internal |
Temperature |
FAN1 |
Speed |
FAN2 |
Speed |
The lmenv
driver first appeared in
OpenBSD 3.9. NetBSD support
was added in NetBSD 7.0.
The lmenv
driver was written for
OpenBSD by Mark Kettenis
⟨kettenis@openbsd.org⟩, and ported to
NetBSD by
Julian Coleman ⟨jdc@NetBSD.org⟩.
High and low sensor limits are not supported.
Interrupt support is not implemented.
October 14, 2013 | NetBSD 10.99 |