1.\" $NetBSD: boot.8,v 1.1 1996/06/15 18:54:22 oki Exp $ 2.\" 3.\" Copyright (c) 1980, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)boot_x68k.8 8.2 (Berkeley) 4/19/94 35.\" 36.Dd Jun 16, 1996 37.Dt BOOT_X68K 8 x68k 38.Os 39.Sh NAME 40.Nm boot 41.Nd 42system bootstrapping procedures 43.Sh DESCRIPTION 44.Sy Power fail and crash recovery. 45Normally, the system will reboot itself at power-up or after crashes. 46An automatic consistency check of the file systems will be performed, 47and unless this fails, the system will resume multi-user operations. 48.Pp 49.Sy Cold starts. 50The X68000/X68030 system boots from the device 51which is determined by the configuration of 52battery-backuped SRAM. 53By default, the boot rom attempt to boot from 54floppy disk drive (from 0 to 3) first, 55and then attempt to boot from hard disk (SASI or SCSI). 56On the NetBSD/X68k, booting from partition A of SCSI disks (sd?a) 57and 2HD floppy disks (fd?a, fd?c) is currently supported. 58.Pp 59First, the initial program loader of IOCS ROM or SCSI disk 60(or equivalent) reads 61.Pa boot 62program at the top of the disk, 63and then the boot program loads the NetBSD kernel 64.Pa /netbsd 65which is in the same partition of the disk. 66If you press 67.Pa [SHIFT] 68key when booting, the boot program enables you to change 69boot flag 70.Dv RB_SINGLE 71with the 72.Pa [SHIFT] 73key, and to choose which kernel 74to be used with arrow keys. 75If the LED of 76.Pa [HIRAGANA] 77key is turned on, the boot program adds 78.Dv RB_KDB 79flag and tries to boot the system in debug mode; see 80.Xr ddb 8 81for details. 82.Pp 83Note for X68030+MC68030 systems: 84Nothing special to be attended to; you can boot NetBSD just like as 85other operating systems such as Human68k and OS-9. 86.Pp 87Note for X68030/040turbo(68040 accelerator by BEEPs) systems: 88NetBSD can boot under 040 mode. 89It can also boot under 030 mode if you have MC68030 on the board. 90.Pp 91Note for X68000/Xellent30(68030 accelerator by TSR)+MC68030 systems: 92In order to boot NetBSD, you must choose 030 mode by using 93.Pa CH30.SYS , 94which must reside in the battery-backuped SRAM. 95.Pp 96Note for X68000/Jupiter-X(68040/060 accelerator by FTZ-net) systems: 97The system must be in 040/060 processor mode. 98.Sh FILES 99.Bl -tag -width /usr/mdec/xxbootxx -compact 100.It Pa /netbsd 101system code 102.It Pa /usr/mdec/xxboot 103boot program, xx is disk type 104.El 105.Sh SEE ALSO 106.Xr reboot 2 , 107.Xr disklabel 8 , 108.Xr halt 8 , 109.Xr reboot 8 , 110.Xr shutdown 8 111