NetBSD-5.0.2/share/man/man4/man4.vax/crl.4

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.\"	$NetBSD: crl.4,v 1.7 2003/08/07 10:31:10 agc Exp $
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.\"     from: @(#)crl.4	8.1 (Berkeley) 6/5/93
.\"
.Dd June 5, 1993
.Dt CRL 4 vax
.Os
.Sh NAME
.Nm crl
.Nd
.Tn VAX-8600 No console
.Tn RL Ns 02
interface
.Sh DESCRIPTION
This is a simple interface to the
.Tn DEC
.Tn RL Ns 02
disk unit which is part of the console
subsystem on the
.Tn VAX-8600
and 8650.
Access is given to the entire
.Tn RL Ns 02
disk; the pack format is the same
as that of
.Tn RL Ns 02
disks on other controllers.
As on other
.Tn VAX
console media, transfers are done a word at a time
using privileged registers (i.e., slowly).
.Pp
All
.Tn I/O
is raw; the seek addresses in raw transfers should be a multiple
of 512 bytes and a multiple of 512 bytes should be transferred,
as in other
.Dq raw
disk interfaces.
(Although the sector size is actually 256 bytes, the driver allows
operations only on 512-byte boundaries.)
.Sh FILES
.Bl -tag -width /dev/crl -compact
.It Pa /dev/crl
.El
.Sh SEE ALSO
.Xr arff 8
.Sh HISTORY
The
.Nm
driver appeared in
.Bx 4.3 .