
Tandberg Data
Log Sense
13-53
Tandberg SLR Product Line SCSI Functional Specifications
13.3.12. Track Number Page
BYTE
BIT 7
6
5
4
3
2
1
0
00
RESERVED
Page Code = 36h
01
RESERVED
02
Page Length = 0006h
03
04
Parameter Code = 0000h
05
06
DU
DS
TSD
ETC
TMC
R
LP
07
Parameter Length = 02h
08
Track Number
09
Table 13-50: Track Number Page
Page Code
The Page Code for this page is 36h.
Page Length
This field is set to 0006h indicating that the page
parameter occupies 6 bytes.
Parameter Code
The Parameter Code is set to 0000h.
DU
The Disable Update (DU) bit will always be set to 0 to
indicate that the Drive is always free to update the
counter.
(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
An Enable Threshold Comparison (ETC) bit is always 0 and
indicates that the comparison will NOT be performed.
(Note: This bit can not be changed by the initiator)
TMC
The Threshold Met Criteria (TMC) field is not valid as
the ETC bit is 0 and can’t be changed from it’s default
value 11b.
LP
The List Parameters (LP) bit is set to 0 to indicate
that the parameter is a data counter. (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.
Track Number
This two bytes indicates current position of the
read/write head. The position is reported by indicating
the current track or track set number (depending on the
tape format in use).