viawd(4) device driver for VIA south bridge watchdog timer


To compile this driver into the kernel, place the following line in your kernel configuration file:
device viawd

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:



The driver provides watchdog(4) support for the watchdog interrupt timer present on VIA south bridge chipset (VT8251, CX700, VX800, VX855, VX900).

The VIA south bridge have a built-in watchdog timer, which can be enabled and disabled by user's program and set between 1 to 1023 seconds.

The driver when unloaded with running watchdog will reschedule the watchdog to 5 minutes.


The driver first appeared in Fx 10.0 .


An -nosplit The driver and this manual page were written by An Fabien Thomas Aq [email protected] .