ICHWDT(4) | Device Drivers Manual | ICHWDT(4)

# NAME

`ichwdt` — Intel 6300ESB ICH watchdog timer device

# SYNOPSIS

`ichwdt* at pci?`

# DESCRIPTION

The `ichwdt` driver supports the watchdog timer of the Intel 6300ESB I/O Controller Hub.

`ichwdt` provides the standard watchdog(4) interface and may be used with watchdogd(8). The watchdog timer can be configured via sysctl(8).

Once the watchdog timer resets the CPU, the driver reports it on the next boot displaying the “reboot on timeout” message in the dmesg.

# SEE ALSO

intro(4), pci(4), watchdog(4), sysctl(8), watchdogd(8)

# HISTORY

The `ichwdt` device first appeared in OpenBSD 3.8.

# AUTHORS

The `ichwdt` driver was written by Alexander Yurchenko <grange@openbsd.org>.

November 15, 2014 | Debian