Chapter 4: SCSI Commands
4-78
July 2004
81-81276-01 Rev A01
4.10.6 Data Compression Page (0Fh)
The Data Compression Page specifies parameters that control the data compression feature.
Figure 4-51.
Data Compression Page — Data Format
QErr
Queue Error. The value returned for this field is 0.
DQue
Disable Queuing. The value returned for this field is 0.
EECA
Enable Extended Contingent Allegiance. The value returned for this field is 0.
RAENP
Ready AEN Permission. The value returned for this field is 0.
UAAENP
Unit Attention AEN Permission. The value returned for this field is 0.
EAENP
Enable AEN Permission. The value returned for this field is 0.
Ready AEN Holdoff
Period
The value returned for this field is 0.
Bit
Byte
7
6
5
4
3
2
1
0
0
PS
Rsv’d
Page Code
1
Page Length (0Fh)
2
DCE
DCC
Reserved
3
DDE
RED
Reserved
4 - 7
(MSB)
Compression Algorithm
(LSB)
8 - 11
(MSB)
Decompression Algorithm
(LSB)
12 - 15
Reserved
Table 4-46.
Control Mode Page — Field Descriptions
(Continued)
Field Name
Description
Summary of Contents for DLTtape DLT1
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