powermac_nvram(4)

powermac_nvram4

Non-volatile ram

Usage

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

device powermac_nvram

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

powermac_nvram_load="YES"

Overview

The powermac_nvram driver provides access to the Open Firmware configuration NVRAM available on the Apple PowerPC-based machines.

This driver currently supports "Core99" machines containing a Sharp, Micron, or AMD NVRAM.

Releases

Unchanged in 9 releases since FreeBSD 14.0-RELEASE.

  1. 14.0–16.0

History

The powermac_nvram driver first appeared in FreeBSD 7.0.

Authors

The powermac_nvram driver was written by Maxim Sobolev ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.