Hitachi HTS541040G9AT00 Specifications - Page 193
Device Attribute Thresholds data structure
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13.39.3 Device Attribute Thresholds data structure The following defines the 512 bytes that make up the Attribute Threshold information. This data structure is accessed by the host in its entirety using the S.M.A.R.T. Read Attribute Thresholds. All multibyte fields shown in these data structures follow the ATA/ATAPI-6 specification for byte ordering, that is, that the least significant byte occupies the lowest numbered byte address location in the field. The sequence of active Attribute Thresholds will appear in the same order as their corresponding Attribute Values. Table 121: Device Attribute Thresholds Data Structure Description Data Structure Revision Number 1st Device Attribute ... ... 30th Device Attribute Reserved Vendor specific Data structure checksum Byte 2 12 .. .. 12 18 131 1 512 Offset 00h 02h Format binary (*1) Value 0010h (*2) 15Eh 16Ah 17Ch 1FFh (*1) (*2) (*3) (*3) (*2) (*1) - See the following definitions (*2) - Value varies by actual operating condition (*3) - Filled with 00h Travelstar 5K100 Hard Disk Drive Specification 179