Hitachi 7K320 Specifications - Page 110

7K320 (SATA) OEM Specification Description SMART error log version Reserved Error log index (7:0) Error log index (15:8) 1st error log data structure 2nd error log data structure 3rd error log data structure 4th error log data structure Device error count Reserved Data structure checksum Bytes 1 1 1 1 124 124 124 124 2 9 1 512 Offset 00h 01h 02h 03h 04h 80h FCh 178h 1F4h 1F6h 1FFh Table 76 Extended comprehensive SMART error Log 14.17.2.1 Error Log version The value of this version shall be 01h. 14.17.2.2 Error log index This indicates the error log data structure representing the most recent error. If there have been no error log entries, it is cleared to 0. Valid values for the error log index are 0 to 4. 14.17.2.3 Extended Error log data structure An error log data structure shall be presented for each of the last four errors reported by the device. These error log data structure entries are viewed as a circular buffer. The fifth error shall create an error log structure that replaces the first error log data structure. The next error after that shall create an error log data structure that replaces the second error log structure, etc. Unused error log data structures shall be filled with zeros. Data format of each error log structure is shown below. Description 1st command data structure 2nd command data structure 3rd command data structure 4th command data structure 5th command data structure Error data structure Table 77 Extended Error log data structure Bytes Offset 18 00h 18 12h 18 24h 18 36h 18 48h 34 5Ah 124 Page 110 of 176