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Man Pages


Manual Reference Pages  -  VIAWD (4)

NAME

viawd - device driver for VIA south bridge watchdog timer

CONTENTS

Synopsis
Description
See Also
History
Authors

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file:


.Cd 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
.Fx 10.0 .

AUTHORS


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