Hitachi HTS541612J9SA00, HTS541640J9SA00 manual Individual Attribute Data Structure, Attribute Name

Travelstar 5K160 (SATA) Hard Disk Drive Specification

14.40.2.2Individual 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		Bytes	Offset	Format
Attribute ID Number (01h to FFh)		1	00h	binary
Status Flags	2		01h	bit 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)	1		03h	binary
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)	1		04h	binary
Reserved (may not be 0)		6	05h	binary
Reserved (00h)	1		0Bh	binary
Total Bytes	12
Figure 84 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

0Indicates that this entry in the data structure is not used

1Raw Read Error Rate (*)

2Throughput Performance (*)

3Spin Up Time

4Start/Stop Count

5Reallocated Sector Count

7Seek Error Rate

8Seek Time Performance (*)

9Power-On Hours Count

10Spin Retry Count

12Device Power Cycle Count

191G Sense error rate

192Power off retract count

193Load/Unload cycle count

194Device Temperature

196Reallocation Event Count

197Current Pending Sector Count

198Off-Line Scan Uncorrectable Sector Count

199Ultra DMA CRC Error Count

Status Flag Definitions:

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