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NSCLPCSIO(4)		 BSD Kernel Interfaces Manual		  NSCLPCSIO(4)

NAME
     nsclpcsio — National Semiconductor PC87366 LPC Super I/O

SYNOPSIS
     nsclpcsio* at isa?
     gpio* at nsclpcsio?

DESCRIPTION
     The nsclpcsio driver provides support for the National Semiconductor
     PC87366 LPC Super I/O.  The Super I/O incorporates several logical
     devices, the following ones are supported: GPIO, VLM and TMS.

     The GPIO logical device provides 29 I/O pins which can be accessed
     through the gpio(4) framework.  The gpioctl(8) program allows easy manip‐
     ulation of the pins from userland.

     VLM and TMS logical devices provides hardware monitoring capabilities to
     be used with the envsys(4) API.  The following 17 monitoring sensors are
     available:

	   Sensor    Units    Typical Use
	   TSENS1    uK	      Remote diode
	   TSENS2    uK	      Remote diode
	   TNSC	     uK	      Local diode
	   VSENS0    uV DC    External source
	   VSENS1    uV DC    External source
	   VSENS2    uV DC    External source
	   VSENS3    uV DC    External source
	   VSENS4    uV DC    External source
	   VSENS5    uV DC    External source
	   VSENS6    uV DC    External source
	   VSB	     uV DC    VSB
	   VDD	     uV DC    VDD
	   VBAT	     uV DC    VBAT
	   AVDD	     uV DC    AVDD
	   TS1	     uV DC    Thermistor
	   TS2	     uV DC    Thermistor
	   TS3	     uV DC    Thermistor

SEE ALSO
     envsys(4), envstat(8)

HISTORY
     The nsclpcsio device appeared in NetBSD 2.0.

BUGS
     The chip decodes address ranges which are not obvious and cannot be con‐
     trolled by the kernel configuration file (must be set up by the BIOS).

BSD			       November 9, 2007				   BSD

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