Fujitsu MHY2200BH manual Status, Data format of Smart Comprehensive Error Log, Smart Self-Test

5.3 Host Commands

•	Status
	Bits 0 to 3: Indicates the drive status when received error commands according
		to the following table.
	Bits 4 to 7: Vendor unique
	Status		Meaning
	0		Unclear status
	1		Sleep status
	2		Standby status
	3		Active status (BSY bit = 0)
	4		Off-line data collection being executed
	5 to F		Reserved

Table 5.19 Data format of SMART Comprehensive Error Log

Byte(hex)		First sector	Next sector
00		SMART Error Logging 01h	Reserved
01		Index Pointer Latest Error Data Structure	Reserved
02 to 5B		1st Error Log Data Structure	Error Log Data Structure 5n+1
5C to	B5	2nd Error Log Data Structure2	Error Log Data Structure 5n+2
B6 to 10F		3rd Error Log Data Structure3	Error Log Data Structure 5n+3
110 to	169	4th Error Log Data Structure4	Error Log Data Structure 5n+4
16A to 1C3		5thError Log Data Structure5	Error Log Data Structure 5n+5
1C4 to 1C5		Total number of drive errors	Reserved
1C6 to 1FE		Reserved	Reserved
1FF		Check sum	Check sum

"n" indicates sector number in the Error Log. The first sector is 0.

•SMART Self-Test

The host computer can issue the SMART Execute Off-line Immediate sub- command (Features field = D4h) and cause the device to execute a self-test. When the self-test is completed, the device saves the SMART self-test log to the disk medium.

The host computer can issue the SMART Read Log Sector sub-command (Features field = D5h, Sector Number field = 06h, Sector Count field = 01h) and can read the SMART self-test log.

C141-E262 5-67