101 lines
3.1 KiB
Groff
101 lines
3.1 KiB
Groff
.\" Copyright (c) 1986, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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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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.\" @(#)cons.4 8.1 (Berkeley) 6/5/93
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.\"
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.Dd June 5, 1993
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.Dt CONS 4 tahoe
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.Os BSD 4.3t
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.Sh NAME
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.Nm cons ,
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.Nm CP ,
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.Nm remote
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.Nd Tahoe console interface
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.Sh DESCRIPTION
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The console is available to the processor through the console registers.
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It acts like a normal terminal, except that a
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.Dq Ic ~
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is used to transfer
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commands to the console processor when the front panel key switch is
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in the
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.Dq foo
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or
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.Dq bar
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position.
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When the console processor
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is in control, a
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.Ql #>
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prompt is displayed. To continue execution
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after halting the machine with
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.Ql ~h ,
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use
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.Ql r .
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.Bl -tag -width Ds
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.It Ic \&~h
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Halt the machine.
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.It Ic \&~b
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Force a reboot.
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.It Ic \&~r
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Continue execution after a
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.Ic \&~h .
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.El
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.Pp
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Refer to the Tahoe
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console processor handbook for the complete list of facilities available
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through the console processor.
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.Pp
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The
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.Nm CP
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device provides direct access to the console processor. The
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.Nm remote
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device is a secondary console terminal used for remote diagnosis;
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it is normally connected to a modem.
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.Sh FILES
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.Bl -tag -width /dev/consolexx -compact
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.It Pa /dev/console
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.It Pa /dev/CP
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.It Pa /dev/remote
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.El
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.Sh DIAGNOSTICS
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None.
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.Sh SEE ALSO
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.Xr kdb 4 ,
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.Xr tty 4 ,
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.Xr reboot 8
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.Rs
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.%T Console Processor Handbook
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.Re
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.Sh HISTORY
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The
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.Nm
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interface appeared in
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.Bx 4.3 tahoe .
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