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Chapter 4: SCSI Commands
4-56
July 2004
81-81276-01 Rev A01
4.9.7 Data Compression Page (0Fh)
The Data Compression Page specifies parameters that control data compression. This page allows the
user to turn the tape drive’s compressed format on and off independently of the medium's position.
Additionally, it allows the user to enable or disable decompression of the tape drive’s compressed data
during write operations. In this page you can only change the DCE bit.
QErr
Queue Error. This bit must be 0.
DQue
Disable Queuing. This bit must be 0.
EECA
Enable Extended Contingent Allegiance. The tape drive does not support extended
contingent allegiance. This bit must be 0.
RAENP
Ready AEN Permission. The tape drive does not support asynchronous event
notification (AEN). This bit must be 0.
UAAENP
Unit Attention AEN Permission. The tape drive does not support asynchronous
event notification. This bit must be 0.
EAENP
Enable AEN Permission. The tape drive does not support asynchronous event
notification. This bit must be 0.
Ready AEN Holdoff
Period
The tape drive does not support asynchronous event notification. This field must
be 0.
Table 4-33.
Control Mode Page — Field Descriptions
(Continued)
Field Name
Description
Summary of Contents for DLTtape DLT1
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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...
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