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+.\"	$NetBSD: boot_mac68k.8,v 1.1 1995/07/02 02:09:52 briggs Exp $
+.\"
+.\" Copyright (c) 1990, 1991 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the Systems Programming Group of the University of Utah Computer
+.\" Science Department.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	From:
+.\"	@(#)boot_hp300.8	8.2 (Berkeley) 4/19/94
+.\"
+.Dd July 1, 1995
+.Dt BOOT_MAC68K 8 mac68k
+.Os
+.Sh NAME
+.Nm boot
+.Nd
+system bootstrapping procedures
+.Sh DESCRIPTION
+.Sy Power fail and crash recovery.
+Normally, the
+.Tn NetBSD
+kernel on the mac68k architecture is booted from the native operating
+system by means of an application program.  When the kernel takes over,
+it initializes itself and proceeds to boot the system.  An automatic
+consistency check of the file systems takes place, and unless this
+fails, the system comes up to multi-user operations.  The proper way
+to shut the system down is with the
+.Xr shutdown 8
+command.
+.Pp
+If the system crashes, it will enter the kernel debugger,
+.Xr ddb 8
+,if it is configured in the kernel.  If the debugger is not present,
+or the debugger is exited, the system will attempt a dump to the
+configured dump device (which will be automatically recovered with
+.Xr savecore 8
+during the next boot cycle).  After the dump is complete (successful
+or not), the system will attempt a reboot.
+.Pp
+On most mac68k machines with "soft-power" after the IIcx, the power
+switch can be physically rotated and locked in the 'on' position.
+The native OS can be configured to automatically start the
+.Tn NetBSD
+boot program.  Additionally, the NetBSD boot program can be configured
+to boot
+.Tn NetBSD
+without intervention.  When a system is so configured, it can crash
+or lose power and reboot back to a fully multi-user state without
+any intervention.
+.Pp
+.Sy The boot application
+The boot application runs in the native OS on the system.  It has a
+dialog where booting preferences may be changed and an option whereby
+these options may be saved.  The preferences are stored in the program
+itself, not in a preferences folder--thus allowing two separate copies
+of the program to be configured differently (e.g. to boot different
+netbsd or netbsd.test, or to boot from two different drives).
+.Pp
+One option that may be specified is a boot to single-user mode.  This
+stops the boot process very early on and allows system maintenence.
+If one wishes to provide some security at this phase of the boot, remove
+the
+.Ql secure
+option from ttye0 in the
+.Xr ttys 5
+file.
+.Pp
+Another useful option that may be specified is the "serial console"
+option.  This will allow a serial device (terminal or computer) to
+act as a console for the system.  This device must be configured to
+use 9600 baud, eight bits, no parity, and one stop bit (9600-N81).
+Either the printer port or the modem port (tty01 and tty00,
+respectively) may be used for this.
+.Pp
+It is sometimes useful to boot a kernel that resides in a folder
+in native OS rather than from the usual location in the
+.Tn NetBSD
+file system.  A radio button is supplied for this purpose.  Note that
+some programs will not run properly if the kernel is not found as
+.Ar /netbsd
+within the 
+.Tn NetBSD
+file system.
+.Sh FILES
+.Bl -tag -width /netbsd -compact
+.It Pa /netbsd
+system kernel
+.El
+.Sh SEE ALSO
+.Xr ddb 8
+.Xr savecore 8
+.Xr shutdown 8
+.Xr ttys 5