Hitachi HTS541680J9SA00 Specifications - Page 144

Travelstar 5K160 (SATA) Hard Disk Drive Specification Data structure checksum 1 512 Figure 89 S.M.A.R.T. error log sector 1FFh 14.40.5.1 S.M.A.R.T. error log version This value is set to 01h. 14.40.5.2 Error log pointer This points the most recent error log data structure. Only values 1 through 5 are valid. 14.40.5.3 Device error count This field contains the total number of errors. The value will not roll over. 14.40.5.4 Error log data structure Data format of each error log structure is shown below. Description 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 Error data structure Figure 90 Error log data structure Bytes Offset 12 00h 12 0Ch 12 18h 12 24h 12 30h 30 3Ch 90 Command data structure: Data format of each command data structure is shown below. Description Bytes Offset Device Control register 1 00h Features register 1 01h Sector count register 1 02h LBA Low register 1 03h LBA Mid register 1 04h LBA High register 1 05h Device register 1 06h Command register 1 07h Timestamp(milliseconds from Power On) 4 08h 12 Figure 91 Command data structure Error data structure: Data format of error data structure is shown below. Description Bytes Offset Reserved 1 00h Error register 1 01h Sector count register 1 02h LBA Low register 1 03h LBA Mid register 1 04h LBA High register 1 05h Device register 1 06h Status register 1 07h Extended error data (vendor specific) 19 08h State 1 1Bh Life timestamp (hours) 2 1Ch 144/167