| SMSCMON(4) | Device Drivers Manual | SMSCMON(4) | 
smscmon —
smscmon0 at iic? addr 0x2c
smscmon0 at iic? addr 0x2d
smscmon driver provides support for the hardware
  monitoring portion of the Standard Microsystems Corporation LPC47M192 and
  LPC47M997 Super I/O chips to be used with the
  envsys(4) API.
The chip supports 11 sensor inputs:
| Sensor | Units | Typical Use | 
| +2.5V | uV DC | 2.5V Supply | 
| Vccp | uV DC | CPU Vcore | 
| +3.3V | uV DC | 3.3V Supply | 
| +5V | uV DC | 5V Supply | 
| +12V | uV DC | 12V Supply | 
| Vcc | uV DC | Chip's supply voltage | 
| +1.5V | uV DC | 1.5V Supply | 
| +1.8V | uV DC | 1.8V Supply | 
| Remote
      Temp1 | uK | CPU temperature | 
| Ambient
      Temp | uK | Local chip temperature | 
| Remote
      Temp2 | uK | 
smscmon device appeared in NetBSD
  6.0.
smscmon driver was written by
  Takahiro Hayashi.
| June 1, 2016 | NetBSD 10.1 |