Quantum Audio Travan 40 Tape Drive STT3401A User Manual
Page 57
ATAPI Interface
Chapter 5
Seagate Travan 40 Product Manual
Page 49
1F-22
Tape Moved
The length of tape (estimated in feet) passed over the head
since the last head cleaning. The field is incremented by 740
feet at EOT and BOT when tape motion is reversed. It is only
incremented when the full length of the tape has been traversed
and the direction of tape motion is reversed. The field is reset if
a cleaning operation is performed successfully.
…
27-28
Number of Cleanings
The number of successful cleanings performed during the life of
the drive. If a cleaning cartridge is inserted and does not
complete the cleaning cycle, this field will not increment. The
field is never reset.
…
2D-30
Time Since Last
Cleaning
The calculated time in minutes (1.5 minutes per full track) since
the last cleaning was performed. The field is reset if a cleaning
operation is performed successfully.
…
35-38
Longest Time
Between Cleanings
The longest calculated time interval in minutes between cleaning
cycles. It is compared to the “Time Since Last Cleaning” value
after every successful cleaning cycle and the greatest value is
retained. The field is never reset.
…
3C-
3E
Cleaning Interval
The interval in minutes (3000 minutes = 50 hours) for setting the
TapeAlert cleaning flag. This field is only changeable at the
factory. In the field the value will remain the same.
Note: Fields on page 33h are not reset on power cycle.
Page 3Eh—Report Check-Sum of FLASH-RAM (LOG SENSE only)
Data Bits
Byte
7
6
5
4
3
2
1
0
Hex
00
Page Code
3E
01
0
0
0
0
0
0
0
0
00
02
03
MSB
Additional Page Length
LSB
00
08
04
05
MSB
Parameter Code
LSB
00
00
06
DU
DS
TSD
ETC
TMC
0
LP
40
07
Parameter Length
04
08
.
09
MSB
Existing Check-Sum
LSB
XX
.
XX
0A
0B
MSB
Calculated Check-Sum
LSB
XX
XX
Page 3Eh—Report Check-Sum Definitions
Byte
0
Page Code
The Report Check Sum of Flash-RAM (core firmware for
TRAVAN 6/7) Page Code is set to 3E.
1
Reserved
Set to 00h.
2-3
Additional Page Length
Set to 08h.
4-5
Parameter Code
Set to 00 00h, to indicate the first (and only) parameter
follows.