PMC(4) | Device Drivers Manual (sparc64) | PMC(4)

# NAME

`pmc` — power management controller

# SYNOPSIS

`pmc* at ebus?`

# DESCRIPTION

The `pmc` driver provides support for the watchdog feature of the power management device of the National Semiconductor PC87317 SuperIO chip found on UltraSPARC III systems.

The watchdog timer provides a standard watchdog(4) interface, and has a granularity of 60 seconds.

# SEE ALSO

bbc(4), intro(4), watchdog(4)

# HISTORY

The `pmc` driver first appeared in OpenBSD 4.2.

# AUTHORS

The `pmc` driver was written by Mark Kettenis <kettenis@openbsd.org>.

July 16, 2013 | Debian