Sony AIT-SDX460, Руководство по техническим характеристикам продукции

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RECEIVE DIAGNOSTIC RESULTS 7. ATAPI Packet Command Specification
SONY AIT-1Turbo drive SDX-460V series Ver.1.0 7-57
If the Host issued a SEND DIAGNOSTIC with the PF bit set and a Page Code of 81h, the drive returns the
following four bytes of page header, then four bytes of diagnostic results.
Table 7-53: Receive Diagnostics page header
Bit
Byte
7 6 5 4 3 2 1 0
0 Page Code (81h)
1 Reserved
2 (MSB)
3
Page Length (00 005h)
(LSB)
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.
Table 7-54: Receive Diagnostics results data
Bit
Byte
7 6 5 4 3 2 1 0
0 Reset Error Time
Re-Sync
Reserved Error Set
1 Error Code
2 Result A
3 Result B
4 Test Number
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).