Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>
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$FreeBSD: releng/11.0/share/man/man4/viawd.4 267938 2014-06-26 21:46:14Z bapt $
.Dd December 7, 2011 .Dt VIAWD 4 .Os .Sh NAME .Nm viawd .Nd device driver for VIA south bridge watchdog timer .Sh SYNOPSIS To compile this driver into the kernel, place the following line in your kernel configuration file: d -ragged -offset indent .Cd "device viawd" .Ed
p Alternatively, to load the driver as a module at boot time, place the following line in .Xr loader.conf 5 : d -literal -offset indent viawd_load="YES" .Ed .Sh DESCRIPTION The .Nm driver provides .Xr watchdog 4 support for the watchdog interrupt timer present on VIA south bridge chipset (VT8251, CX700, VX800, VX855, VX900).
p 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.
p The .Nm driver when unloaded with running watchdog will reschedule the watchdog to 5 minutes. .Sh SEE ALSO .Xr watchdog 4 , .Xr watchdog 8 , .Xr watchdogd 8 , .Xr watchdog 9 .Sh HISTORY The .Nm driver first appeared in .Fx 10.0 . .Sh AUTHORS .An -nosplit The .Nm driver and this manual page were written by .An Fabien Thomas Aq Mt fabient@FreeBSD.org .