Table 112 Individual Attribute Data Structure - Hitachi Travelstar 2.5 inch SATA HTS722020K9A300 Oem Specification

14.39.2.2
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
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
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

Table 112 Individual Attribute Data Structure

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
Indicates that this entry in the data structure is not used
0
1 Raw Read Error Rate (*)
2 Throughput Performance (*)
3 Spin Up Time
Start/Stop Count
4
5 Reallocated Sector Count
7 Seek Error Rate
Seek Time Performance (*)
8
9 Power-On Hours Count
10 Spin Retry Count
12 Device Power Cycle Count
G Sense error rate
191
192 Power off retract count
193 Load/Unload cycle count
Device Temperature
194
196 Reallocation Event Count
197 Current Pending Sector Count
198 Off-Line Scan Uncorrectable Sector Count
Ultra DMA CRC Error Count
199
7K200 SATA OEM Specification
Individual Attribute Data Structure
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Bytes Offset Format
1 00h binary
2 01h bit flags
1 03h binary
1 04h binary
6 05h binary
1 0Bh binary
12