1.\" Copyright (c) 1986, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)crl.4 8.1 (Berkeley) 6/5/93 33.\" 34.Dd June 5, 1993 35.Dt CRL 4 vax 36.Os BSD 4.3 37.Sh NAME 38.Nm crl 39.Nd 40.Tn VAX 418600 console 42.Tn RL Ns 02 43interface 44.Sh DESCRIPTION 45This is a simple interface to the 46.Tn DEC 47.Tn RL Ns 02 48disk unit which is part of the console 49subsystem on the 50.Tn VAX 518600 and 8650. 52Access is given to the entire 53.Tn RL Ns 02 54disk; the pack format is the same 55as that of 56.Tn RL Ns 02 57disks on other controllers. 58As on other 59.Tn VAX 60console media, transfers are done a word at a time 61using privileged registers (i.e., slowly). 62.Pp 63All 64.Tn I/O 65is raw; the seek addresses in raw transfers should be a multiple 66of 512 bytes and a multiple of 512 bytes should be transferred, 67as in other 68.Dq raw 69disk interfaces. 70(Although the sector size is actually 256 bytes, the driver allows 71operations only on 512-byte boundaries.) 72.Sh FILES 73.Bl -tag -width /dev/crl -compact 74.It Pa /dev/crl 75.El 76.Sh SEE ALSO 77.Xr arff 8 78.Sh HISTORY 79The 80.Nm 81driver appeared in 82.Bx 4.3 . 83