1*61595Sbostic.\" Copyright (c) 1986, 1991, 1993 2*61595Sbostic.\" The Regents of the University of California. All rights reserved. 328287Skarels.\" 447674Scael.\" %sccs.include.redist.man% 528287Skarels.\" 6*61595Sbostic.\" @(#)crl.4 8.1 (Berkeley) 06/05/93 747674Scael.\" 847674Scael.Dd 947674Scael.Dt CRL 4 vax 1047674Scael.Os BSD 4.3 1147674Scael.Sh NAME 1247674Scael.Nm crl 1347674Scael.Nd 1447674Scael.Tn VAX 1547674Scael8600 console 1647674Scael.Tn RL Ns 02 1747674Scaelinterface 1847674Scael.Sh DESCRIPTION 1947674ScaelThis is a simple interface to the 2047674Scael.Tn DEC 2147674Scael.Tn RL Ns 02 2228287Skarelsdisk unit which is part of the console 2347674Scaelsubsystem on the 2447674Scael.Tn VAX 2547674Scael8600 and 8650. 2628287SkarelsAccess is given to the entire 2747674Scael.Tn RL Ns 02 2847674Scaeldisk; the pack format is the same 2947674Scaelas that of 3047674Scael.Tn RL Ns 02 3147674Scaeldisks on other controllers. 3247674ScaelAs on other 3347674Scael.Tn VAX 3447674Scaelconsole media, transfers are done a word at a time 3528287Skarelsusing privileged registers (i.e., slowly). 3647674Scael.Pp 3747674ScaelAll 3847674Scael.Tn I/O 3947674Scaelis raw; the seek addresses in raw transfers should be a multiple 4028287Skarelsof 512 bytes and a multiple of 512 bytes should be transferred, 4147674Scaelas in other 4247674Scael.Dq raw 4347674Scaeldisk interfaces. 4428287Skarels(Although the sector size is actually 256 bytes, the driver allows 4528287Skarelsoperations only on 512-byte boundaries.) 4647674Scael.Sh FILES 4747674Scael.Bl -tag -width /dev/crl -compact 4847674Scael.It Pa /dev/crl 4947674Scael.El 5047674Scael.Sh SEE ALSO 5147674Scael.Xr arff 8 5247674Scael.Sh HISTORY 5347674ScaelThe 5447674Scael.Nm 5547674Scaeldriver appeared in 5647674Scael.Bx 4.3 . 57