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REPORT DENSITY SUPPORT
0
1
2
6
7
(MSB)
8
9
Media
0
One descriptor block is returned for each format supported by the drive. The capacity field
in the descriptor block will indicate the capacity of the current media.
1
One descriptor block is returned with the data for the currently loaded tape. The capacity
field will indicate the maximum for the format. If there is no tape insterted in the drive, the
drivr eill return
3A 00h (medium not present).
Allocation
This specifies the maximum number of bytes which the drive should return in its data-out phase.
Length
Either the entire available data or allocation length bytes of the page are returned, whichever is
least.
0
No data transfer will occur. This is not considered an error.
The
Report Density Support
supported by the drive.
The data is returned as a header and a series of descriptor blocks.
Pre-Execution Checks
Illegal Field
Deferred Error
Command Descriptor Block
7
6
5
CDB Fields
CHECK CONDITION
command returns details about the tape formats
Unit Attention
4
3
Operation Code (44h)
Reserved (0)
Reserved (0)
Allocation Length
Control
with a sens key of
NOT READY
44h
2
1
0
Media
(LSB)
and additional sense of
Commands 123
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