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REPLACEMENT OF PC BOARDS/HDD
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3. ID=05 and c5
4. Description of each ID
"Over-range" is displayed if the number of digits acquired from the HDD exceeds the maximum
digits which can be displayed on the control panel; however, this does not indicate an error.
ID Name Description Remarks
05 Re-allocated Sector Count The number of sectors reassigned This value tends to increase at
HDD failure.
c5 Current Pending Sector Count The number of candidate sectors to
be reassigned
This value tends to increase at
HDD failure.
ID Name Meaning
01 Read Error Rate This attribute is a measure of the read error rate.
02 Throughput Performance This attribute is a measure of the throughput performance.
03 Spin Up Time This attribute is a measure of how quickly the drive is able to
spin up from a spun down condition.
04 Spin Start/Stop Count This attribute is a measure of the total number of spin ups
from a spun down condition.
05 Re-allocated Sector Count This attribute is a measure of the total number of reallocated
sectors.
07 Seek Error Rate This is a measure of the seek error rate.
08 Seek Time Performance This attribute is a measure of a drive's seek performance
during normal online operations.
09 Power-On Hours This attribute is a measure of the total time (hours or minutes
depending on disk manufacturer) the drive has been on.
0a Spin Retry Count This attribute is a measure of the total number of spin retries.
0c Power Cycle Count This attribute is a measure of the number of times the drive
has been turned on.
c0 Power off Retract Count This attribute is a measure of the total number of emergency
unloads.
c1 Load Cycle Count This attribute is a measure of the total number of load/
unloads.
c2 Temperature This attribute is a measure of the temperature in the HDD.
c3 ECC On the Fly Count This attribute is a measure of the total number of the ECC On
the Fly.
c4 Reallocation Event Count This attribute is a measure of the total number of the
reallocation events.
c5 Current Pending Sector Count This attribute is a measure of the total number of candidate
sectors to be reallocated.
c6 Off-Line Scan Uncorrectable Sector Count This attribute is a measure of the total number of
uncorrectable sectors found during the off-line scan.
c7 Ultra DMA CRC Error Count (Rate) This attribute is a measure of the total number of errors found
in data transfer in the Ultra-DMA mode.
c8 Write Error Rate This attribute is a measure of the write error rate.
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