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7. ATAPI Packet Command Specification
The structure of the diagnostic results data is described below:
All error messages are of the same format. All fields within the error message may not be known or applicable and
are cleared to ZERO. A diagnostic result of all ZEROs is returned if the diagnostic completed successfully without
error.
Bit
7
Byte
0
Reset Error
1
2
3
4
Reset error: This bit is set when an error occurs during power-on self-test.
Time Re-Sync: This bit indicates that the time stamp saved with the error log has no relation to that of the
previous entry. It is only set by the logging routine within the data buffer as an error is logged.
Error set: Various set of error codes exist. The definition of the error is dependent upon when set is taken from as
follows:
0 - Runtime errors
1 - Drive mechanism diagnostic errors
2 - Drive electronics diagnostic errors
Error code: Error codes for each error set are defined in the Diagnostics clause.
Result A and B: The content of these bytes depends on the test being run. See the Diagnostics clause.
Test number: This is the test number to which the message applies (if a test fails within a sequence, the individual
test number will be returned).
7-50
Table 7-52: Receive Diagnostics results data
6
5
Time
Reserved
Re-Sync
RECEIVE DIAGNOSTIC RESULTS
4
3
2
Error Code
Result A
Result B
Test Number
SONY AIT-2 Turbo drive SDX-560V series Ver.1.0
1
0
Error Set
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