1.\"- 2.\" Copyright (c) 2006 Maxim Sobolev <sobomax@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 18.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 22.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 23.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd August 1, 2006 29.Dt POWERMAC_NVRAM 4 powerpc 30.Os 31.Sh NAME 32.Nm powermac_nvram 33.Nd "non-volatile RAM" 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following line in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device powermac_nvram" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46powermac_nvram_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver provides access to the Open Firmware configuration NVRAM 52available on the Apple PowerPC-based machines. 53.Sh SEE ALSO 54.Xr eeprom 8 , 55.Xr nvram 8 56.Sh HISTORY 57The 58.Nm 59driver first appeared in 60.Fx 7.0 . 61.Sh AUTHORS 62The 63.Nm 64driver was written by 65.An Maxim Sobolev Aq sobomax@FreeBSD.org . 66.Sh BUGS 67Currently, the 68.Nm 69driver only supports systems equipped with an AMD flash part and is only 70tested on Apple G4-based Mac Mini machines. 71