1*47672Scael.\" Copyright (c) 1990, 1991 The Regents of the University of California. 244671Sbostic.\" All rights reserved. 344671Sbostic.\" 444671Sbostic.\" This code is derived from software contributed to Berkeley by 544671Sbostic.\" the Systems Programming Group of the University of Utah Computer 644671Sbostic.\" Science Department. 744671Sbostic.\" %sccs.include.redist.man% 844671Sbostic.\" 9*47672Scael.\" @(#)ct.4 5.2 (Berkeley) 03/27/91 1044671Sbostic.\" 11*47672Scael.Dd 12*47672Scael.Dt CT 4 hp300 13*47672Scael.Os 14*47672Scael.Sh NAME 15*47672Scael.Nm \&ct 16*47672Scael.Nd 17*47672Scael.Tn CS/80 18*47672Scaelcartridge tape interface 19*47672Scael.Sh SYNOPSIS 20*47672Scael.Cd "tape ct0 at hpib? slave ?" 21*47672Scael.Sh DESCRIPTION 2244671SbosticThe cartridge tape interface as found in the 7946 and 9144 products 2344671Sbosticprovides a standard tape drive interface as described in 24*47672Scael.Xr mtio 4 2544671Sbosticwith the following exceptions: 26*47672Scael.Bl -enum 27*47672Scael.It 2844671SbosticThere is only one density. 29*47672Scael.It 30*47672ScaelOnly the 31*47672Scael.Dq raw 32*47672Scaelinterface is supported. 33*47672Scael.It 34*47672ScaelThe 35*47672Scael.Dv MTIOCTOP 36*47672Scael.Xr ioctl 2 3744671Sbosticis limited. 38*47672ScaelIn particular, the command, 39*47672Scael.Dv MTFSR 4044671Sbosticis not supported. 41*47672Scael.It 42*47672ScaelThe 43*47672Scael.Dv MTIOCGET 44*47672Scael.Xr ioctl 45*47672Scaelis not supported. 46*47672Scael.It 4744671SbosticThe record size for read and write operations must be between 4844671Sbostic1K and 64K inclusive. 49*47672Scael.El 50*47672Scael.Pp 5144671SbosticSpecial files 52*47672Scael.Pa rct0 5344671Sbosticthrough 54*47672Scael.Pa rct3 5544671Sbosticrefer to rewind on close interfaces to drives 0 to 3. 56*47672ScaelFiles 57*47672Scael.Pa rct4 5844671Sbosticthrough 59*47672Scael.Pa rct7 6044671Sbosticrefer to no-rewind interfaces. 61*47672ScaelFiles 62*47672Scael.Pa rct8 6344671Sbosticthrough 64*47672Scael.Pa rct11 6544671Sbosticrefer to streaming rewind on close interfaces. (Only 9144 type devices 6644671Sbosticcan stream.) 67*47672ScaelLastly, 68*47672Scael.Pa rct12 6944671Sbosticthrough 70*47672Scael.Pa rct15 7144671Sbosticrefer to streaming no-rewind interfaces. 72*47672Scael.Sh SEE ALSO 73*47672Scael.Xr mt 1 , 74*47672Scael.Xr tar 1 , 75*47672Scael.Xr tp 1 , 76*47672Scael.Xr mtio 4 . 77*47672Scael.Sh HISTORY 78*47672ScaelThe 79*47672Scael.Nm \&ct 80*47672Scaeldriver 81*47672Scael.Ud 82*47672Scael.Sh BUGS 8344671SbosticRead and writes of less than 1024 bytes will not behave as expected. 84