User's Manual

DLT4000 SCSI Interface
8-54 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
DTDC Description
00b Data transfer disconnect control is not used. Disconnect is
controlled by the other fields in this page
01b A target does not attempt to disconnect once the data transfer of a
command has started until all data the command is to transfer has
been transferred.
10b Reserved
11b A target does not attempt to disconnect once the data transfer of a
command has started, until the command is complete.
Figure 8-34 Data Transfer Disconnect Control
If DTDC is non-zero and the maximum burst size is non-zero, the DLT4000 drive
returns CHECK CONDITION status. The sense key is set to ILLEGAL REQUEST
and the additional sense code set to ILLEGAL FIELD IN PARAMETER LIST.