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360014937
Copyright ©2000 Toshiba corporation. All rights reserved.
- 594 -
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 shall be changed during off-line data collection
operation.
bit 1= 1: Attribute value shall 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
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 )
ID Attribute Name
0 Indicates 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
8 Seek Time performance
9 Power-On hours Count
10 Spin Retry Count
12 Drive Power Cycle Count
199 CRC Error Count
220 Disk Shift
222 Loaded Hours
223 Load Retry Count
224 Load Friction
225 Load Cycle Count
226 Load in Time
228 Power-off Retract Count
240 Write Head