Provided by: freebsd-manpages_12.2-1_all
viawd — 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.conf(5): viawd_load="YES"
The viawd 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 viawd driver when unloaded with running watchdog will reschedule the watchdog to 5 minutes.
The viawd driver first appeared in FreeBSD 10.0.
The viawd driver and this manual page were written by Fabien Thomas <fabient@FreeBSD.org>.