Tandberg Data
Log Sense
13-66
Tandberg SLR Product Line SCSI Functional Specifications
Write Compression Interval 2 Log Parameters
BYTE
BIT 7
6
5
4
3
2
1
0
n+0
n+1
Parameter Code = 0004h
n+2
DU
DS
TSD
ETC
TMC
LBIN
LP
n+3
Parameter Length = 02h
n+4
Write compression interval 2
n+5
Table 13-62: Write Compression Interval 2 Log Parameter
Parameter Code
The Parameter Code is set to 0004h.
DU
The Disable Update (DU) bit is not defined for List
Parameters (indicated by the LP bit) and is set to 0.
(Note: This bit can not be changed by the initiator
DS
The Disable Save (DS) bit is set to 1 to indicate that
the Drive does not support saving of this log parameter.
(Note: This bit can not be changed by the initiator)
TSD
The Target Save Disable (TSD) bit is set to 1 to
indicate that the Drive does not provide any Drive-
defined method for saving of this log parameter.
(Note: This bit can not be changed by the initiator)
ETC
The Enable Threshold Comparison (ETC) bit is not defined
for List Parameters (indicated by the LP bit) and is set
to 0.
(Note: This bit can not be changed by the initiator)
TMC
The Threshold Met Criteria (TMC) field is not defined
for List Parameters (indicated by the LP bit) and is set
to 0.
(Note: This bit can not be changed by the initiator)
LBIN
The LBIN bit is set to 1 to indicate that the List
Parameter is a binary information.
(Note: This bit can not be changed by the initiator)
LP
The List Parameters (LP) bit is set to 1 to indicate
that the parameter is a List Parameter.
(Note: This bit can not be changed by the initiator)
Parameter Length
This field is set to 02h to indicate that the counter is
2 bytes wide.
Write compression
interval 2
This field specifies the amount of data (unit: %) that
has a compression ratio between 1.2 and 1.6. The value
is reset when a new cartridge is inserted or when
starting to write from BOP.
