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Table 5.18 Data format of SMART Summary Error Log (2/2)
Byte(hex) Item
3E Reserved
3E Reserved
3F Error field value
40 Sector Count field value
41 Sector Number field value
42 Cylinder Low field value
43 Cylinder High field value
44 Drive/Head field value
45 Status field value
46 to 58 Vendor unique
59 State
5A, 5B
Error data structure
Power-on time (unit: h)
5C to 1C3
Error log data structure 2
to
Error log data structure 5
1C4, 1C5 Total number of drive errors
1C6 to 1FE Reserved
1FF Check sum
• 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 complement of the lower byte, obtained by adding 511-byte data one byte at a
time from the beginning.
5-66 C141-E259