Fujitsu MHT2080BH, MHT2060BH, MHT2040BH manual Execute Device Diagnostic X’90’, Diagnostic code

5.3 Host Commands

(9)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 5.6 lists the diagnostic code written in the Error field which is 8-bit code.

		Table 5.6 Diagnostic code
Code		Result of diagnostic
X’00’		Format Unit is not completed.
X’01’		No error detected.
X’02’		HDC diagnostic error
X’03’		Data buffer diagnostic error
X’04’		Memory diagnostic error
X’05’		Reading the system area is abnormal
X’06’		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					xx
CL					xx
SN					xx
SC					xx
FR					xx

At command completion (Shadow Block Registers contents to be read)

ST				Status information
DH	x	x	x		x		HD No. /LBA
CH)						xx
CL						xx
SN						01H
SC						01H
ER				Diagnostic code

C141-E203-01EN 5-39