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4.6 Packet Commands
C156-E227-01EN 4-73
Sense Key outlines the error. The definition of Sense Key is listed in Table 4.101.
Table 4.101 Sense Key code
Sense Key Abbreviation Definition
0h NO SENSE Indicates there is no sense key to be reported. NO
SENSE is set when a command ends normally.
1h RECOVERED ERROR Indicates that recovery ends successfully or that the
command ends normally using the internal default value
even if invalid data is detected in command parameters.
(Not reported when the PER bit is 0.)
2h NOT READY Indicates that access with an access command cannot be
executed.
3h MEDIUM ERROR Indicates that an unrecoverable error is detected due to
media failure.
4h HARDWARE ERROR Indicates that an unrecoverable error is detected due to
hardware failure.
5h ILLEGAL REQUEST Indicates that command packets or command parameters
contains invalid data. Media data remains unchanged.
6h UNIT ATTENTION Indicates that reset, power-on, or media exchange is caused.
7h DATA PROTECT Indicates that media is write-protected with the Write
Protect key or the device is softwre-write-protected.
8h BLANK CHECK Indicates that a blank sector is detected. Not used
9h-Ah Reserved Not used
Bh ABORTED
COMMAND
Indicates that the command is interrupted.
Ch-Fh Reserved Not used
The information indicates LBA of an error block. If an error occurs in multiple
blocks, the LBA of the first block is indicated.
Command-Specific Information indicates the logical track address of the block
indicated in Information (or logical block address). The track address format is
shown in Table 4.102.
Table 4.102 Logical block address format
Byte Description
8-9 Logical track address
10 00h
11 Logical sector address