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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>.