Table of Contents
Advertisement
Block Position Unknown
BPU
0
The First and Last Block Location fields are valid.
1
Block position is unknown. First and Last Block Location fields are undefined. This will
only occur after a "hard" read error that has caused a sense key of
additional sense of 3B00h (sequential positioning error).
This will always be zero.
Partition Number
The First Block Location specifies the number of blocks and filemarks to the current position.
First Block
Counting starts at zero, so BOM is block location 0.
Location
This is always set to the value of the First Block Location.
Last Block
Location
0
1
3
4
(MSB)
7
8
(MSB)
15
16
(MSB)
23
24
(MSB)
31
Returned Data—Long Read Position:
The format of the 32 bytes of data returned in long format for
is as follows:
7
6
5
BOP
EOP
Reserved (0)
Returned Data Fields:
Most of the fields are the same as for the Short format. The new fields are as
follows:
4
3
2
MPU
BPU
Reserved (0)
Partition Number (0)
Block Number
File Number
Set Number(0)
with
MEDIUM ERROR
READ POSITION
1
0
Reserved (0)
(LSB)
(LSB)
(LSB)
(LSB)
Commands 117
Advertisement
Table of Contents
