| SDTEMP(4) | Device Drivers Manual | SDTEMP(4) | 
sdtemp —
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
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:
sdtemp device appeared in NetBSD
  6.0.
| February 22, 2018 | NetBSD 10.1 |