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SDTEMP(4)                  Kernel Interfaces 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

           o   Analog Devices ADT7408

           o   Atmel AT30TS00 and AT30TSE004

           o   On semiconductor (Catalyst) CAT34TS02, CAT34TS02C, CAT34TS04
               and CAT6095

           o   Giantec Semiconductor GT30TS00 and GT34TS02

           o   Integrated Deviced Technology TSE2002B3, TSE2002GB2,
               TSE2004GB2, TS3000B3, TS3000GB0, TS3000GB2 and TS30001GB2

           o   Maxim MAX6604

           o   Microchip Technology MCP9804, MCP9805, MCP9843, MCP98242,
               MCP98243 and MCP98244

           o   NXP Semiconductors SE97 and SE98

           o   STmicroelectronics STTS424, STTS424E, STTS2002, STTS2004 and

     envsys(4), envstat(8)

     The sdtemp device appeared in NetBSD 6.0.

     Interrupt support is unimplemented.

NetBSD 7.1.2                     July 28, 2016                    NetBSD 7.1.2