IBM IC35L020 Hard Drive Specifications - Page 178
Device Attributes Data Structure
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15.32.12 Device Attributes Data Structure The following defines the 512 bytes that make up the Attribute Value information. This data structure is accessed by the host in its entirety using the S.M.A.R.T. Read Attribute Values subcommand. All multibyte fields shown in these data structures are in byte ordering-that is the least significant byte occupies the lowest numbered byte address location in the field. Description Data Structure Revision Number 1st Device Attribute ... ... 30th Device Attribute Off-line data collection status Self-test execution status Total time in seconds to complete off-line data collection activity Vendor specific Off-line data collection capability S.M.A.R.T. capability S.M.A.R.T. device error logging capability Self-test failure check point Short self-test completion time in minutes Extended self-test completion time in minutes Reserved Vendor specific Data structure checksum Byte 2 12 .. .. 12 1 1 2 1 1 2 1 1 1 1 12 125 1 512 Offset Value 00h 0010h 02h 15Eh 16Ah 16Bh 16Ch 16Eh 16Fh 170h 172h 173h 174h 175h 176h 182h 1FFh 1Bh 0003h 01h Figure 122. Device Attributes Data Structure 15.32.12.1 Data Structure Revision Number The Data Structure Revision Number identifies which version of this data structure is implemented by the device. This revision number identifies both the Attribute Value and Attribute Threshold Data structures. Deskstar 60 GXP Hard disk drive specification 164