| SMSC(4) | Kernel Interfaces Manual | SMSC(4) | 
NAME
 smsc — Standard Microsystems Corporation LPC47B397 Super I/O
SYNOPSIS
 smsc0 at isa? port 0x2e
DESCRIPTION
 The 
smsc driver provides support for the hardware monitoring portion of the Standard Microsystems Corporation LPC47B397, SCH5307-NS, and SCH5317 Super I/O chips to be used with the 
envsys(4) API.
The chip supports 8 sensor inputs:
| Sensor | Units | Typical Use | 
| Temp0 | uK | CPU 1 Temperature | 
| Temp1 | uK | CPU 2 Temperature | 
| Temp2 | uK | Ambient Temperature | 
| Temp3 | uK | unused | 
| Fan0 | RPM | CPU 1 Fan | 
| Fan1 | RPM | unused | 
| Fan2 | RPM | unused | 
| Fan3 | RPM | CPU 2 Fan | 
 
HARDWARE
 Motherboards with the chip supported by the 
smsc driver include:
- 
Tyan Thunder K8WE (S2895)
 
HISTORY
 The smsc device appeared in NetBSD 5.0.