viawd (4)

Leading comments

-
 Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in...

(The comments found at the beginning of the groff file "man4/viawd.4freebsd".)

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.conf5:

viawd_load="YES"

DESCRIPTION

The ifconfig 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 ifconfig 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 ifconfig driver first appeared in Fx 10.0 .

AUTHORS

An -nosplit The ifconfig driver and this manual page were written by An Fabien Thomas Aq fabient@FreeBSD.org .