VIAWD(4)						   BSD 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>.

BSD
								 December 7, 2011							       BSD