
SCSI Commands
Quantum DLT 8000 Tape System 5-61
LOG SENSE Command (4Dh) (continued)
LOG PARAMETERS FOR PARAMETER CODES 00h AND 01h
Bit
Byte
7 6 5 4 3 2 1 0
0 -1
(MSB)
Parameter Code
(LSB)
2 DU DS TSD ETC TMC Rsv’d LP
3 02h
4 - n
(MSB)
Compression Ratio x 100
(LSB)
Figure 5–27 Log Parameters Format for READ / WRITE COMPRESSION RATIO LOG
SENSE Page (Parameter Codes 00h and 01h)
Table 5–28 Log Parameters for READ / WRITE COMPRESSION RATIO LOG SENSE
Page Field Descriptions (Parameter Codes 00h and 01h)
Field Name Description
Parameter Code Parameter Codes supported for the READ / WRITE COMPRESSION RATIO
page are as follows (for codes 00h and 01h only; codes 02h through 09h
are detailed separately):
Parameter Code Descriptions
00h READ Compression Ratio x 100
01h WRITE Compression Ratio x 100
DU Disable Update. Always 0.
DS Disable Save. Not supported. This bit always set to 1.
TSD Target Save Disable. Not supported. This bit always set to 1.
ETC Enable Threshold Comparison. Threshold checking is not supported on
this page. Always set to 0.
TMC Threshold Met Criteria. Always 0.
LP List Parameter. Always set to 0 (parameter codes treated as data
counter).
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