5.3 Host Commands
(7)
EXECUTE DEVICE DIAGNOSTIC (X’90’)
This command performs an internal diagnostic test (self-diagnosis) of the device.
The device reports the diagnostic result and status to the host.
Table 5.7 lists the diagnostic code written in the Error field which is 8-bit code.
Table 5.7 Diagnostic code
Code
Result of diagnostic
X’00’
X’01’
X’02’
X’03’
X’04’
X’05’
X’06’
Format Unit is not completed.
No error detected.
HDC diagnostic error
Data buffer diagnostic error
Memory diagnostic error
Reading the system area is abnormal
Calibration abnormal
Note:
The device responds to this command with the result of
power-on diagnostic test.
•
Error reporting conditions
(1) A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents)
CM
1 0 0 1 0 0 0 0
DH
x x x x
HD
No.
/LBA
CH
CL
SN
SC
FR
xx
xx
xx
xx
xx
At command completion (Shadow Block Registers contents to be read)
ST Status
information
DH
x x x x
HD
No.
/LBA
CH)
CL
SN
SC
ER
xx
xx
01H
01H
Diagnostic code
C141-E249
5-43
Содержание MHW2040BS
Страница 1: ...C141 E249 01EN MHW2120BS MHW2100BS MHW2080BS MHW2060BS MHW2040BS DISK DRIVES PRODUCT MANUAL ...
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Страница 18: ...Contents 6 5 1 Cache operation 6 20 Glossary GL 1 Acronyms and Abbreviations AB 1 Index IN 1 xiv C141 E249 ...
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Страница 86: ...Interface Figure 5 2 Example of the circuit for driving Ready LED 5 12 C141 E249 ...
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