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ICHWD (4) | Special files and drivers | Unix Manual Pages | :man

NAME

ichwd - Intel ICH watchdog timer driver

CONTENTS

Synopsis
Description
See Also
History
Authors

SYNOPSIS


.Cd device ichwd

DESCRIPTION

This driver provides access to the watchdog timer (WDT) present on all Intel ICH chipsets.

The ICH WDT counts down in ticks of approximately 0.6 seconds; the exact value depends on hardware quality and environmental factors. Supported watchdog intervals range from 2 to 63 ticks.

Note that on some ICH-based systems, the WDT may be present but disabled, either in hardware or by the BIOS. The ichwd driver attempts to detect this condition and will refuse to attach if it believes the WDT is disabled.

SEE ALSO

watchdog(4), watchdog(8), watchdogd(8), watchdog(9)
.Rs Using the Intel ICH Family Watchdog Timer (WDT)
.Re

HISTORY

AUTHORS


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