FUJITSU MCE3130AP - Manual (Page 167)

GL - 2 C156-E142-02EN
Sense key
A 4-bit code set in sense data. This information
is used to classify the type of error detected.
Spindle
A component of the disk drive unit that is in
contact with the disk and hub.
Status
A single-byte information reported from the
target to the initiator at the end of each command
execution. The status indicates the end status of
a command.