VIAWD(4)               FreeBSD Kernel Interfaces Manual               VIAWD(4)

NAME
     viawd - device driver for VIA south bridge watchdog timer

SYNOPSIS
     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"

DESCRIPTION
     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.

SEE ALSO
     watchdog(4), watchdog(8), watchdogd(8), watchdog(9)

HISTORY
     The viawd driver first appeared in FreeBSD 10.0.

AUTHORS
     The viawd driver and this manual page were written by Fabien Thomas
     <fabient@FreeBSD.org>.

FreeBSD 13.1-RELEASE-p6        December 7, 2011        FreeBSD 13.1-RELEASE-p6