
SCSI Commands
5-74 Quantum DLT 4000 Tape Drive
MODE SELECT (6) / (10) Command (15h) / (55h) (continued)
Table 5–38 Disconnect / Reconnect Page - Field Descriptions (continued)
Field Name Description
DTDC Data Transfer Disconnect Control. This field defines further restrictions
for when disconnect is permitted.
DTDC Description
00b Data transfer disconnect control is not used. Disconnect is
controlled by the other fields in this page.
01b Once the data transfer of a command has been started, a
target does not attempt to disconnect until all the data to be
transferred has been transferred.
10b Reserved.
11b Once the data transfer of a command has started, a target
does not attempt to disconnect until the command is
complete.
If DTDC is a non-zero value and the maximum burst size is non-zero,
the tape drive returns CHECK CONDITION status, sense key set to
ILLEGAL REQUEST and additional sense code set to ILLEGAL FIELD IN
PARAMETER LIST.
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