| ITESIO(4) | Kernel Interfaces Manual | ITESIO(4) | 
NAME
 itesio — ITE IT87xxF Super I/O driver
SYNOPSIS
 itesio0 at isa? port 0x2e
itesio1 at isa? port 0x4e
DESCRIPTION
 The 
itesio driver provides support for the Environment Controller and the Watchdog Timer on the IT87xxF Super I/Os, and may be used to monitor hardware sensors or setting up a watchdog timeout value for the system.
The itesio driver has 15 sensors:
| Sensor | Units | Typical Use | 
| Temp0 | uK | CPU Temp | 
| Temp1 | uK | System Temp | 
| Temp2 | uK | Aux Temp | 
| VIN0 | uV DC | Vcore A | 
| VIN1 | uV DC | Vcore B | 
| VIN2 | uV DC | +3.3V | 
| VIN3 | uV DC | +5V | 
| VIN4 | uV DC | +12V | 
| VIN5 | uV DC | -12V | 
| VIN6 | uV DC | -5V | 
| VIN7 | uV DC | STANDBY | 
| VBAT | uV DC | VBAT | 
| Fan0 | RPM | CPU Fan | 
| Fan1 | RPM | System Fan | 
| Fan2 | RPM | Aux Fan | 
The itesio Watchdog Timer is configurable via the wdogctl(8) utility and has a resolution between 1 and 65535 seconds. The Watchdog Timer is not supported on the IT8705 Super I/O.
 
HISTORY
 The itesio driver first appeared in OpenBSD 3.4 and was then ported to NetBSD 4.0.
BUGS
 Interrupt support is unimplemented.