360050398

Byte

Description

0

Attribute ID number 01 - FFh

1-2

Status flag

 

bit 0 (pre-failure/advisory bit)

 

bit 0 = 0: If attribute value is less than the threshold, the drive is in advisory

 

condition.

 

Product life period may expired.

 

bit 0 = 1: If attribute value is less than the threshold, the drive is in pre-failure

 

condition. The drive may have failure.

 

bit 1 (on-line data collection bit)

 

bit 1= 0: Attribute value will be changed during off-line data collection operation.

 

bit 1= 1: Attribute value will be changed during normal operation.

 

bit 2 (Performance Attribute bit)

 

bit 3 (Error rate attribute bit)

 

bit 4 (Event Count Attribute bit)

 

bit 5 (Self-Preserving Attribute bit)

 

bit 6-15 Reserved

3

Attribute value 01h-FDh *1

 

00h, FEh, FFh = Not in use

 

01h = Minimum value

 

64h = Initial value

 

Fdh = Maximum value

4

Worst Ever normalized Attribute Value

 

( valid values from 01h-FEh )

5-10

Raw Attribute Value

 

Attribute specific raw data

 

( FFFFFFh - reserved as saturated value )

11

Reserved ( 00h )

*1 For ID=199 CRC Error Count Initial value = C8h

ID

Attribute Name

0Indicates that entry in the data structure is not used

1 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 Drive Power Cycle Count

192 Power-off Retract Count

193 Load Cycle Count

194 Temperature

196 Re-allocated Sector Event

197 Current Pending sector Count

198 Off-Line Scan Uncorrectable Sector Count

199 CRC Error Count

220 Disk Shift

222 Loaded Hours

223 Load Retry Count

224 Load Friction

226 Load in Time

240 Write Head

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