Hitachi HTS541680J9SA00 Specifications - Page 139

14.40.2.2 Travelstar 5K160 (SATA) Hard Disk Drive Specification Individual Attribute Data Structure The following defines the 12 bytes that make up the information for each Attribute entry in the Device Attribute Data Structure. Description Attribute ID Number (01h to FFh) Status Flags Bit 0 Pre-Failure/Advisory Bytes Offset 1 00h 2 01h Format binary bit flags Bit 1 On-line Collection Bit 2-5 Reserved (may either 0 or 1) Bit 6-15 Reserved (all 0) Attribute Value (valid values from 01h to FEh) 00h invalid for attribute value - not to be used 01h minimum value 1 03h binary 64h initial value for all attributes prior to any data collection FDh maximum value FEh value is not valid FFh invalid for attribute value - not to be used Reserved (may not be 0) Reserved (may not be 0) Reserved (00h) Total Bytes Figure 84 Individual Attribute Data Structure 1 04h binary 6 05h binary 1 0Bh binary 12 Attribute ID Numbers: Any non-zero value in the Attribute ID Number indicates an active attribute. The device supports following Attribute ID Numbers. Those marked with (*) indicate that corresponding Attribute Values can be either collected on-line or off-line. ID Attribute Name 0 Indicates that this entry in the data structure is not used 1 Raw Read Error Rate (*) 2 Throughput Performance (*) 3 Spin Up Time 4 Start/Stop Count 5 Reallocated Sector Count 7 Seek Error Rate 8 Seek Time Performance (*) 9 Power-On Hours Count 10 Spin Retry Count 12 Device Power Cycle Count 191 G Sense error rate 192 Power off retract count 193 Load/Unload cycle count 194 Device Temperature 196 Reallocation Event Count 197 Current Pending Sector Count 198 Off-Line Scan Uncorrectable Sector Count 199 Ultra DMA CRC Error Count Status Flag Definitions: 139/167