Hitachi HTS541040G9AT00 Specifications - Page 195
S.M.A.R.T. error log sector
UPC - 000059826569
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13.39.4.5 Data Structure Checksum The Data Structure Checksum is the 2's compliment of the result of simple 8-but addition of the first 511 bytes in the data structure. 13.39.5 S.M.A.R.T. error log sector The following defines the 512 bytes that make up the S.M.A.R.T. error log sector. All multibyte fields shown in these data structures follow the ATA/ATAPI-6 specifications for byte ordering. Description S.M.A.R.T. error log version Error log pointer 1st error log data structure 2nd error log data structure 3rd error log data structure 4th error log data structure 5th error log data structure Device error count Reserved Data structure checksum Byte Offset 1 00h 1 01h 90 02h 90 5Ch 90 B6h 90 110h 90 16Ah 2 1C4h 57 1C6h 1 1FFh 512 13.39.5.1 S.M.A.R.T. error log version This value is set to 01h. 13.39.5.2 Error log pointer This points to the most recent error log data structure. Only values 1 through 5 are valid. 13.39.5.3 Device error count This field contains the total number of errors. The value will not roll over. 13.39.5.4 Error log data structure The data format of each error log structure is shown below. Travelstar 5K100 Hard Disk Drive Specification 181