K6610170
Rev.2
Dec 22, 2004
- 79 -
Table 7.13 Extended Comprehensive SMART Error Log
Sector Byte
Description
First
0
SMART error log version '01h'
.
Sector 1
Reserved
2 - 3
Error log index
Indicates the error log data structure representing the most recent error
4 - 127
1st Extended error log data structure
128 - 251 2nd Extended error log data structure
252 - 375 3rd Extended error log data structure
376 - 499 4th Extended error log data structure
500 - 501 Device error count
Contains the total number of errors attributable to the device that have been
reported by the device during the life of the device. If the maximum value for this
field is reached, the count remains at the maximum value when additional errors
are encountered and logged.
502
-
510
Reserved
511
Data
structure
checksum
Two's complement of the sum of the first 511 bytes in the first sector.
Subsequent 0
-
3 Reserved
Sector
4 - 127
(4n + 1) Extended Error log data structure
N
128 - 251 (4n + 2) Extended Error log data structure
252 - 375 (4n + 3) Extended Error log data structure
1 < N < 63
376 - 499 (4n + 4) Extended Error log data structure
500
-
510
Reserved
511
Data
structure
checksum
Two's complement of the sum of the first 511 bytes in the subsequent sector.
(1) Extended Error log data structure
The error log is viewed as a circular buffer. The error log index indicates the most recent error log data
structure. Unused error log data structures are filled with zeros. The content of the error log data structure
entries is defined in Table 7.14.
Table 7.14 Extended Error Log Data Structure
Byte Descriptions
n ~ n+17
1st Command Data Structure
n+18 ~ n+35
2nd Command Data Structure
n+36 ~ n+53
3rd Command Data Structure
n+54 ~ n+71
4th Command Data Structure
n+72 ~ n+89
5th Command Data Structure
n+90 ~ n+123
Error Data Structure