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ATA Bus Interface and ATA Commands
6-18 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT
Individual Threshold Data Structure
Device SMART Data Structure
The attribute ID numbers and their definitions are vendor specific. Any non-zero
value in the attribute ID number indicates an active attribute. Valid values for this byte
are from 0x01 through 0xFFh.
Attribute ID number 1 binary Rd only
Attribute threshold (for comparison
with attribute values from 0x00 to
0xFFh)
1 binary Rd only
0x00 “always passing” threshold value
to be used for code test purposes
0x01 minimum value for normal
operation
0xFD maximum value for normal
operation
0xFE invalid for threshold value - not to
be used
0xFF “always failing” threshold value to
be used for code test purposes
Reserved 10 Rd only
Total bytes 12
0-361 Vendor Specific
362 Off-line data collection Status
363 Vendor specific
364-
365
Total time in seconds to complete
off-line data collection
366 Vendor Specific
367 Off-line data collection capability
368-
369
SMART capability
370-
385
Reserved
386-
510
Vendor Specific
511 Data Structure check sum