1.\" Copyright (c) 1990, 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the Systems Programming Group of the University of Utah Computer 6.\" Science Department. 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" from: @(#)ct.4 5.2 (Berkeley) 3/27/91 36.\" $Id: ct.4,v 1.2 1993/08/01 07:56:36 mycroft Exp $ 37.\" 38.Dd March 27, 1991 39.Dt CT 4 hp300 40.Os 41.Sh NAME 42.Nm \&ct 43.Nd 44.Tn CS/80 45cartridge tape interface 46.Sh SYNOPSIS 47.Cd "tape ct0 at hpib? slave ?" 48.Sh DESCRIPTION 49The cartridge tape interface as found in the 7946 and 9144 products 50provides a standard tape drive interface as described in 51.Xr mtio 4 52with the following exceptions: 53.Bl -enum 54.It 55There is only one density. 56.It 57Only the 58.Dq raw 59interface is supported. 60.It 61The 62.Dv MTIOCTOP 63.Xr ioctl 2 64is limited. 65In particular, the command, 66.Dv MTFSR 67is not supported. 68.It 69The 70.Dv MTIOCGET 71.Xr ioctl 72is not supported. 73.It 74The record size for read and write operations must be between 751K and 64K inclusive. 76.El 77.Pp 78Special files 79.Pa rct0 80through 81.Pa rct3 82refer to rewind on close interfaces to drives 0 to 3. 83Files 84.Pa rct4 85through 86.Pa rct7 87refer to no-rewind interfaces. 88Files 89.Pa rct8 90through 91.Pa rct11 92refer to streaming rewind on close interfaces. (Only 9144 type devices 93can stream.) 94Lastly, 95.Pa rct12 96through 97.Pa rct15 98refer to streaming no-rewind interfaces. 99.Sh SEE ALSO 100.Xr mt 1 , 101.Xr tar 1 , 102.Xr tp 1 , 103.Xr mtio 4 . 104.Sh HISTORY 105The 106.Nm \&ct 107driver 108.Ud 109.Sh BUGS 110Read and writes of less than 1024 bytes will not behave as expected. 111