.\"	$OpenBSD: pcons.4,v 1.4 2003/06/02 16:16:26 miod Exp $
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.\" Copyright (c) 2001 Miodrag Vallat.
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.Dd October 8, 2001
.Dt PCONS 4 sparc64
.Os
.Sh NAME
.Nm pcons
.Nd SPARC64 PROM console interface
.Sh SYNOPSIS
.Cd "pcons0 at mainbus0"
.Sh DESCRIPTION
The
.Nm
device provides a simple text console, using the PROM services for
input and output.
It will use the PROM console devices set via the
.Dq input-device
and
.Dq output-device
variables.
.Pp
This driver is deprecated and only provided as a fallback console mechanism
if the real console hardware can not be driven in
.Ox .
.Sh FILES
.Bl -tag -width /dev/console
.It Pa /dev/console
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr tty 4
.Sh HISTORY
.Ox
support for the PROM console
first appeared in
.Ox 3.0 .
.Sh CAVEATS
Since the PROM will handle break (or Stop-A) sequences before
.Nm pcons ,
the preferred way to enter
.Xr ddb 4
on a ddb-enabled pcons console is to enter the following sequence :
.Sq +++++