1993-03-21 12:45:37 +03:00
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.\" Copyright (c) 1990, 1991 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Systems Programming Group of the University of Utah Computer
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.\" Science Department.
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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1993-08-01 11:54:52 +04:00
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.\" from: @(#)cons.4 5.2 (Berkeley) 3/27/91
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.\" $Id: cons.4,v 1.2 1993/08/01 07:56:37 mycroft Exp $
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1993-03-21 12:45:37 +03:00
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.\"
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.Dd March 27, 1991
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.Dt CONS 4 hp300
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.Os
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.Sh NAME
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.Nm cons
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.Nd
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.Tn HP300
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console interface
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.Sh DESCRIPTION
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This release supports a
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.Dq virtual
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console device used for
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.Em kernel printf
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messages and accessed in user mode via
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.Pa /dev/console .
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It is virtual in the sense that it is attached to a hardware interface
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at boot time.
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Currently the choices are limited to:
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a bit-mapped display acting as an
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.Em internal terminal emulator
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.Dq Tn ITE ,
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the builtin serial interface
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.Xr dca 4 ,
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or a
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.Xr null 4
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console in that order.
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.Sh FILES
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.Bl -tag -width /dev/console
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.It Pa /dev/console
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.El
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.Sh SEE ALSO
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.Xr tty 4 ,
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.Xr reboot 8
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.Sh HISTORY
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The
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.Nm
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device
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.Ud
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.Sh BUGS
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You should be able to specify potential console devices at
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.Xr config 8
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time.
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