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NetBSD 6.1.5 - man page for sdtemp (netbsd section 4)

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SDTEMP(4)			   BSD Kernel Interfaces Manual 			SDTEMP(4)

NAME
     sdtemp -- JEDEC JC-42.4 compatible memory module temperature sensors

SYNOPSIS
     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

DESCRIPTION
     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 DDR3 SDRAM 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:

	   o   Catalyst CAT34TS02 and CAT6095

	   o   Analog Devices ADT7408

	   o   Integrated Deviced Technology TSE2002B3 and TSE3000B3

	   o   Maxim MAX6604

	   o   Microchip Technology MCP9805, MCP9843, MCP98242, and MCP98243

	   o   NXP Semiconductors SE97 and SE98

	   o   STmicroelectronics STTS424 and STTS424E

SEE ALSO
     envsys(4), envstat(8)

HISTORY
     The sdtemp device appeared in NetBSD 6.0.

BUGS
     Interrupt support is unimplemented.

BSD					 January 8, 2011				      BSD
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