Fujitsu MHR2010AT Product Manual page 153

Command data structure
Indicates the command received when an error occurs.
Error data structure
Indicates the status register when an error occurs.
Total number of drive errors
Indicates total number of errors registered in the error log.
Checksum
Two's complementary for the lowest-order 1 byte that is obtained by adding 1
byte after another for as many as 511 bytes beginning from the top of the
structure.
Status
Bits 0 to 3: Indicates the drive status when received error commands
Bits 4 to 7: Vendor unique
Status
0
1
2
3
4
5 to F
Byte
00h SMART Error Logging 01h
01h Index Pointer Latest Error Data Structure.
st
02h...5Bh 1 Error Log Data Structure
nd
5Ch...B5h 2 Error Log Data Structure
rd
B6h...10Fh 3 Error Log Data Structure
th
110h...169h 4 Error Log Data Structure
th
16Ah...1C3h 5 Error Log Data Structure
1C4h...1C5h Total Error Count
1C6h...1FEh Reserved
1FFh Checksum
C141-E145-02EN
according to the following table.
Meaning
Unclear status
Sleep status
Standby status
Active status or idle status (BSY bit = 0)
Off-line data collection being executed
Reserved
First sector
5.3 Host Commands
Next sector
Reserved
Reserved
Data Structure 5n + 1
Data Structure 5n + 2
Data Structure 5n + 3
Data Structure 5n + 4
Data Structure 5n + 5
Reserved
Reserved
Checksum
5-79