SMSC SCH311x LPC Super I/O
schsio* at isa? port 0x2e flags 0x0000
schsio* at isa? port 0x4e flags 0x0000
schsio* at isa? port 0x162e flags 0x0000
schsio* at isa? port 0x164e flags 0x0000
driver provides support for the
SMSC SCH3112, SCH3114, and SCH3116 ICs. Among other things, the devices
contain environment sensors, a watchdog timer, and fan control. The
driver supports the environment
sensors and the watchdog timer.
The hardware provides the following sensors:
provides the standard
interface and may
be used with watchdogd(8)
The watchdog timer may be configured to a value from 1 second to 255 minutes.
The watchdog timer has a resolution of 1 second in the timeout interval 1 to
255 seconds. Outside this interval, the resolution is 1 minute.
Note that the pin used for signalling the timer expiration is configurable and
may on some boards be intended for other uses than this. Because of this, the
chip may not by default be configured to use the pin for watchdog operation.
To force the
device to use the pin
for watchdog operation, the driver may be configured with an
setting of 0x0001.
driver first appeared in
driver was written by