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Tests and Diagnostics
PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 3-123
Each ID and its details are listed in the following table.
ID Attribute Name Description
1h Raw read error rate Read error rate
Rate of errors which occur when the
HDD reades data.
2h Throughput performance Throuput performance
3h Spin up time Start-up time of spindle mortor
Averate time from turning the power on
to starting spinning
4h Start/Stop count Number of stops of the spindle morotr
after the factory setting
5h Reallocated sector count
Number of defective sectors for which
alternative processing was performed.
7h Seek error rate Rate of seek errors
8h Seek time Performance Processing time of sequential seek and
random seek
9h Power on hours Power-on hour after the factory setting
Ah Spin retry count Number of retires of spinning up within
the prescribed rate
Ch Device power cycle count Number of power-on/power-off
operations of HDD
C1h Load/Unload cycle count Number of head loads
C2h Temperature Past maximum temperature, past
minimum temperature, current
temperature
C4h Reallocation event count Number of alternative sector events
C5h Current pending sector count Number of currently defective sectors
C6h Off-line scan uncorrectable sector
count
Number of sectors that could not be
corrected during Off-line scan