Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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19.7.8 Log Sense Page E
This page contains the start-stop cycle information.
Table 127:Log Sense Page E
The week and year that the device was manufactured shall be set in the parameter field defined by parameter code 0001h. The
date of manufacture cannot be saved using the LOG SELECT command. The data is expected in numeric ASCII characters
(30-39h) in the form YYYYWW. The accounting date specified by parameter code 0002h is a parameter that can be saved
using the LOG SELECT command.
Byte Bit
76543210
0 Reserved Page code = 0Eh
1 Reserved
2-3 PageLength = 24h
4-5 Parameter Code = 0001h
6 DU=0 DS=1 TSD=0 ETC=0 TMC = 0 F&L = 00b
7 Parameter Length = 06h
8-11 Year of Manufacture (4 ASCII characters)
12-13 Week of Manufacture (2 ASCII characters)
14-15 Parameter Code 0002h
16 DU=0 DS=0 TSD=0 ETC=0 TMC = 0 F&L = 00b
17 Parameter Length = 06h
18-21 Accounting Date Year (4 ASCII characters)
22-23 Accounting Date Week (2 ASCII characters)
24-25 Parameter Code 0003h
26 DU=0 DS=1 TSD=0 ETC=0 TMC = 0 F&L = 00b
27 Parameter Length = 04h
28-31 Specified cycle count over device lifetime
32-33 Parameter Code 0004h
34 DU=0 DS=1 TSD=0 ETC=0 TMC = 0 F&L = 00b
35 Parameter Length = 04h
36-39 Accumulated start-stop cycles (4 byte binary number)