octrtc(4)

octrtc4

Time-of-day clock

Usage

octrtc* at mainbus?

Overview

The octrtc driver supports the low resolution DS1337 time-of-day clock found on some of the octeon models. The clock has a resolution of 1 second.

The octrtc driver is used for getting and setting the system time.

Hardware

Supported models:

D-Link DSR-500
Portwell CAM-0100

Known models missing a DS1377 clock:

Ubiquiti Networks EdgeRouter Lite

History

The octrtc driver first appeared in OpenBSD 5.5.

Authors

The octrtc driver was written by Paul Irofti ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.