Figure 120. Status Flag Definitions - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

2.5 inch ata/ide hard disk drive
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10
Spin Retry Count
12
Device Power Cycle Count
191
Gsense 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:
Bit
Flag Name
0
Pre-Failure/
Advisory bit
1
On-Line
Collective bit
2-5
Reserved bits
6-15
Reserved bits

Figure 120. Status Flag definitions

Normalized values: The device will perform conversion of the raw Attribute Values to transform them into
normalized values which the host can then compare with the Threshold values. A Threshold is the
excursion limit for a normalized Attribute Value. In normalizing the raw data, the device will perform any
necessary statistical validity checks to ensure that an instantaneous raw value is not improperly reflected
in the normalized Attribute Value (i.e., one read error in the first 10 reads being interpreted as exceeding
the read error rate threshold when the subsequent 1 billion reads all execute without error). The end
points for the normalized values for all Attributes will be 1 (01h) at the low end, and 100 (64h) at the high
end for the device. For Performance and Error Rate Attributes, values greater than 100 are also possible.
The maximum value possible is 253 (FDh).
Definition
If bit = 0, an Attribute Value less than or equal
to its corresponding Attribute Threshold indicates
an Advisory condition where the usage or age of the
device has exceeded its intended design life
period. If bit = 1, an Attribute Value less than or
equal to its corresponding Attribute Threshold
indicates a Pre-Failure condition where imminent
loss of data is being predicted.
If bit = 0, the Attribute Value is updated only
during Off-Line testing. If bit = 1, the Attribute
Value is updated during On-Line testing or during
both On-Line and Off-Line testing.
may either 0 or 1
Always 0
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
176

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