Fujitsu MHT2030AT Manual/User Guide - Page 154
Self-test number SN Register Value, Self-test error No.
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Interface • SMART Self-Test The host computer can issue the SMART Execute Off-line Immediate subcommand (FR Register = D4h) and cause the device to execute a self-test. When the self-test is completed, the device saves the SMART self-test log to the disk medium. The host computer can issue the SMART Read Log Sector sub-command (FR Register = D5h, SN Register = 06h, SC register = 01h) and can read the SMART self-test log. Table 5.12 SMART self-test log data format Byte 00, 01 02 03 04, 05 06 07 to 0A 0B to 19 1A to 1F9 1FA, 1FB 1FC 1FD, 1FE 1FF Item Self-test log data structure Self-test log 1 Self-test number (SN Register Value) Self-test execution status Life time. Total power-on time [hours] Self-test error No. Error LBA Vendor unique Self-test log 2 to 21 (Each log data format is the same as that in byte 02 to 19.) Vendor unique Self-test index Reserved Check sum • Self-test number Indicates the type of self-test executed. • Self-test execution status Same as byte 16Bh of the attribute value. • Self-test index If this is "00h", it indicates the status where the self-test has never been executed. • Checksum Two's complementary for the lowest-order 1 byte that is obtained by adding 1 byte after another for as many as 511 bytes from the top. 5-80 C141-E192-02EN