1.\" $NetBSD: lpt.4,v 1.1 1999/11/28 17:39:46 scw Exp $ 2.\" 3.\" Copyright (c) 1993 Christopher G. Demetriou 4.\" 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 Christopher G. Demetriou. 17.\" 4. The name of the author may not be used to endorse or promote products 18.\" derived from this software without specific prior written permission 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30.\" 31.Dd November 28, 1999 32.Dt LPT 4 mvme68k 33.Os 34.Sh NAME 35.Nm lpt 36.Nd 37Parallel port driver 38.Sh SYNOPSIS 39.Cd "lpt0 at pcc? ipl 1 40.Cd "lpt0 at pcctwo? ipl 1 41.Sh DESCRIPTION 42This driver provides access to parallel ports. The bits in the minor 43number select various features of the driver. 44.Pp 45.Bl -column "Minor Bit" "Functionxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -offset indent 46.It Sy Pa "Minor Bit" Function 47.It 128 Use the interruptless driver. (polling) 48.It 64 Do not initialize the device on the port. 49.It 32 Automatic LF on CR. 50.It 16 Select 1.6uS strobe pulse width (default is 6.4uS) 51.El 52.Sh FILES 53.Bl -tag -width "/dev/lpt0xx" -compact 54.It Pa /dev/lpt0 55interrupt-driven parallel port device 56.It Pa /dev/lpa0 57polled parallel port device 58.El 59.Sh SEE ALSO 60.Xr pcc 4 , 61.Xr pcctwo 4 62