1.\" $NetBSD: cons.4,v 1.4 1997/10/19 12:56:12 mrg Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Systems Programming Group of the University of Utah Computer 8.\" Science Department. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. All advertising materials mentioning features or use of this software 19.\" must display the following acknowledgement: 20.\" This product includes software developed by the University of 21.\" California, Berkeley and its contributors. 22.\" 4. Neither the name of the University nor the names of its contributors 23.\" may be used to endorse or promote products derived from this software 24.\" without specific prior written permission. 25.\" 26.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36.\" SUCH DAMAGE. 37.\" 38.\" from: @(#)cons.4 8.1 (Berkeley) 6/9/93 39.\" 40.Dd June 9, 1993 41.Dt CONS 4 hp300 42.Os 43.Sh NAME 44.Nm cons 45.Nd 46.Tn HP300 47console interface 48.Sh DESCRIPTION 49This release supports a 50.Dq virtual 51console device used for 52.Em kernel printf 53messages and accessed in user mode via 54.Pa /dev/console . 55It is virtual in the sense that it is attached to a hardware interface 56at boot time. 57Currently the choices are limited to: 58a bit-mapped display acting as an 59.Em internal terminal emulator 60.Dq Tn ITE , 61the builtin serial interface 62.Xr dca 4 , 63or a 64.Xr null 4 65console in that order. 66.Sh FILES 67.Bl -tag -width /dev/console 68.It Pa /dev/console 69.El 70.Sh SEE ALSO 71.Xr tty 4 , 72.Xr reboot 8 73.Sh BUGS 74You should be able to specify potential console devices at 75.Xr config 8 76time. 77