Chapter 4: SCSI Commands
4-52
July 2004
81-81276-01 Rev A01
DTDC
Data Transfer Disconnect Control. The DTDC field defines further restrictions
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
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 after the data
transfer of a command has started until the command is
complete.
If DTDC is non-zero and the maximum burst size is non-zero, the tape 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.
Table 4-31.
Disconnect / Reconnect Page (02h) — Field Descriptions
(Continued)
Field Name
Description
Summary of Contents for DLT1/VS80 SCSI
Page 1: ...DLT1 VS80 SCSI Interface Guide...
Page 6: ...DLT1 VS80 SCSI Interface Guide vi July 2004 81 81276 01 Rev A01 Notes...
Page 12: ...Table of Contents xii July 2004 81 81276 01 Rev A01 Notes...
Page 16: ...List of Figures xiv July 2004 81 81276 01 Rev A01 Notes...
Page 20: ...List of Tables xviii July 2004 81 81276 01 Rev A01 Notes...
Page 24: ...Chapter 1 Introduction 1 4 July 2004 81 81276 01 Rev A01 Notes...
Page 32: ...Chapter 2 General SCSI Bus Operation 2 8 July 2004 81 81276 01 Rev A01 Notes...
Page 42: ...Chapter 3 SCSI Messages 3 10 July 2004 81 81276 01 Rev A01 Notes...
Page 181: ......