SDTEMP(4) | Device Drivers Manual | SDTEMP(4) |
sdtemp
— JEDEC
JC-42.4 compatible memory module temperature sensors
sdtemp* at iic? addr 0x18
sdtemp* at iic? addr 0x19
sdtemp* at iic? addr 0x1a
sdtemp* at iic? addr 0x1b
sdtemp* at iic? addr 0x1c
sdtemp* at iic? addr 0x1d
sdtemp* at iic? addr 0x1e
sdtemp* at iic? addr 0x1f
The sdtemp
driver provides support for the
Microchip Technology MCP9805/98242 and other chips that conform to JEDEC
Standard 21-C section 4.7. Memory module temperature sensors are optional on
DDR2 and newer DIMMs. Sensors provided by this driver, including the on-chip
thresholds for the Alarm Window and Critical level, are accessed through the
envsys(4) API.
The sdtemp
supports temperature ranges
from -256 to +255 degrees C.
Chips supported by the sdtemp
driver
include TSE2004av compliant devices and:
The sdtemp
device appeared in
NetBSD 6.0.
Interrupt support is unimplemented.
February 22, 2018 | NetBSD 10.99 |