1*47674Scael.\" Copyright (c) 1986, 1991 Regents of the University of California. 2*47674Scael.\" All rights reserved. 328287Skarels.\" 4*47674Scael.\" %sccs.include.redist.man% 528287Skarels.\" 6*47674Scael.\" @(#)crl.4 6.3 (Berkeley) 03/27/91 7*47674Scael.\" 8*47674Scael.Dd 9*47674Scael.Dt CRL 4 vax 10*47674Scael.Os BSD 4.3 11*47674Scael.Sh NAME 12*47674Scael.Nm crl 13*47674Scael.Nd 14*47674Scael.Tn VAX 15*47674Scael8600 console 16*47674Scael.Tn RL Ns 02 17*47674Scaelinterface 18*47674Scael.Sh DESCRIPTION 19*47674ScaelThis is a simple interface to the 20*47674Scael.Tn DEC 21*47674Scael.Tn RL Ns 02 2228287Skarelsdisk unit which is part of the console 23*47674Scaelsubsystem on the 24*47674Scael.Tn VAX 25*47674Scael8600 and 8650. 2628287SkarelsAccess is given to the entire 27*47674Scael.Tn RL Ns 02 28*47674Scaeldisk; the pack format is the same 29*47674Scaelas that of 30*47674Scael.Tn RL Ns 02 31*47674Scaeldisks on other controllers. 32*47674ScaelAs on other 33*47674Scael.Tn VAX 34*47674Scaelconsole media, transfers are done a word at a time 3528287Skarelsusing privileged registers (i.e., slowly). 36*47674Scael.Pp 37*47674ScaelAll 38*47674Scael.Tn I/O 39*47674Scaelis raw; the seek addresses in raw transfers should be a multiple 4028287Skarelsof 512 bytes and a multiple of 512 bytes should be transferred, 41*47674Scaelas in other 42*47674Scael.Dq raw 43*47674Scaeldisk interfaces. 4428287Skarels(Although the sector size is actually 256 bytes, the driver allows 4528287Skarelsoperations only on 512-byte boundaries.) 46*47674Scael.Sh FILES 47*47674Scael.Bl -tag -width /dev/crl -compact 48*47674Scael.It Pa /dev/crl 49*47674Scael.El 50*47674Scael.Sh SEE ALSO 51*47674Scael.Xr arff 8 52*47674Scael.Sh HISTORY 53*47674ScaelThe 54*47674Scael.Nm 55*47674Scaeldriver appeared in 56*47674Scael.Bx 4.3 . 57