Fujitsu MHN2150AT Manual/User Guide - Page 142
SMART Write Log Sector
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Interface Table 5.7 Features Register values (subcommands) and functions (2 of 3) Features Resister X'D5' Function SMART Read Log Sector: A device which receives this sub-command asserts the BSY bit, then reads the log sector specified in the SN register. Next, it clears the BSY bit and transmits the log sector to the host computer. SN: Log sector 00: SMART log directory 01h: SMART error log 06h: SMART self test log 80h-9Fh: Host vendor log X'D6' * See Table 5.10 concerning the SMART error log data format. See Table 5.11 concerning the SMART self test log data format. SMART Write Log Sector: A device which receives this sub-command asserts the BSY bit and when it has prepared to receive data from the host computer, it sets DRQ and clears the BSY bit. Next, it receives data from the host computer and writes the specified log sector in the SN register. SN: Log sector 80h-9Fh: Host vendor log X'D8' X'D9' * The host can write any desired data in the host vendor log. SMART Enable Operations: This subcommand enables the failure prediction feature. The setting is maintained even when the device is turned off and then on. When the device receives this subcommand, it asserts the BSY bit, enables the failure prediction feature, then clears the BSY bit. SMART Disable Operations: This subcommand disables the failure prediction feature. The setting is maintained even when the device is turned off and then on. When the device receives this subcommand, it asserts the BSY bit, disables the failure prediction feature, then clears the BSY bit. 5-66 C141-E120-02EN