Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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• Number of Scans Performed indicates the number of background scans that have been performed over the life of the-
drive.
• Medium Scan Progress is a percent complete indication of the medium scan. The returned value is a numerator that has
65,536 (1 00 00h) as its denominator.
The following table describes the Medium Scan Parameter structure.
• Power On Minutes indicates the total power on minutes at the time the error was detected.
• Reassign Status is set as shown below. Reassignment during the background scan is not supported.
03h-04h Not supported
05h Background scan halted due to medium formatted without P-List
06h Background scan halted due to a vendor-specific cause
07h Background scan halted due to temperature out of range
08h Scan suspended until BMS Interval Timer expires
09h - FFh Reserved
Byte
Bit
76543210
0-1 Parameter Code = 0001h - 0800h
2 DU=0 DS=0 TSD=0 ETC=0 TMC=0 F&L = 11b
2-3 Page Length = 14h
4-7 Power On Minutes
8 Reassign Status Sense Key
9 Additional Sense Code
10 Additional Sense Code Qualifier
11 Head (MSB) Cylinder
12-13
(MSB)
Cylinder
(LSB)
14-15
(MSB)
Sector
(LSB)
16-23 LBA
Reassign Status Description
0h No reassignment needed
BMS Status Description
