Hitachi 7K250 Specifications - Page 155
General Purpose Log Directory
UPC - 000004558972
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Table 79: Log Address Definition Log Address 00h 03h 06h 07h 80h-9Fh Content Feature set Log directory N/A Extended Comprehensive SMART error log SMART error logging SMART self-test log SMART self-test Extended SMART self-test log SMART self-test Host vendor specific SMART Type Read Only Ready Only See Note Read Only Read/Write Note: If log address 06h is accessed using the Read Log Ext or Write Log Ext commands, command abort shall be returned. The Extended SMART self-test log sector shall support 48-bit and 28-bit addressing. All 28-bit entries contained in the SMART self-test log sector shall also be included in the Comprehensive SMART self-test log sector with the 48-bit entries. If the feature set associated with the log specified in the Sector Number register is not supported or enabled, or if the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted. 12.18.1 General Purpose Log Directory The figure below defines the 512 bytes that make up the General Purpose Log Directory. Table 80: General Purpose Log Directory Description General purpose logging version Number of sectors in the log at log address 01h (7:0) Number of sectors in the log at log address 01h (15:8) Number of sectors in the log at log address 01h (7:0) Number of sectors in the log at log address 01h (15:8) ... 10h sectors in the log at log address 80h (7:0) 00h of sectors in the log at log address 80h (7:0) ... Number of sectors in the log at log address FFh (7:0) Number of sectors in the log at log address FFh (15:8) Bytes 2 1 1 1 1 1 1 1 1 512 Offset 00h 02h 03h 04h 05h 100h 101h 1FEh 1FEh The value of the General Purpose Logging Version word shall be 0001h. A value of 0000h indicates that there is no General Purpose Log Directory. The logs at log addresses 80-9Fh shall each be defined as 16 sectors long. Deskstar 7K250 Hard Disk Drive Specification 141