1.\" Copyright (c) 1986, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)crl.4 8.1 (Berkeley) 06/05/93 7.\" 8.Dd 9.Dt CRL 4 vax 10.Os BSD 4.3 11.Sh NAME 12.Nm crl 13.Nd 14.Tn VAX 158600 console 16.Tn RL Ns 02 17interface 18.Sh DESCRIPTION 19This is a simple interface to the 20.Tn DEC 21.Tn RL Ns 02 22disk unit which is part of the console 23subsystem on the 24.Tn VAX 258600 and 8650. 26Access is given to the entire 27.Tn RL Ns 02 28disk; the pack format is the same 29as that of 30.Tn RL Ns 02 31disks on other controllers. 32As on other 33.Tn VAX 34console media, transfers are done a word at a time 35using privileged registers (i.e., slowly). 36.Pp 37All 38.Tn I/O 39is raw; the seek addresses in raw transfers should be a multiple 40of 512 bytes and a multiple of 512 bytes should be transferred, 41as in other 42.Dq raw 43disk interfaces. 44(Although the sector size is actually 256 bytes, the driver allows 45operations only on 512-byte boundaries.) 46.Sh FILES 47.Bl -tag -width /dev/crl -compact 48.It Pa /dev/crl 49.El 50.Sh SEE ALSO 51.Xr arff 8 52.Sh HISTORY 53The 54.Nm 55driver appeared in 56.Bx 4.3 . 57