User Manual

SCSI Commands Reference Manual, Rev. J 366
www.seagate.com Parameters for direct access devices
5.2.20 Start-Stop Cycle Counter log page (0Eh/00h)
5.2.20.1 Overview
Using the format shown in table 347, the Start-Stop Cycle Counter log page (page code 0Eh) provides information about
manufacturing dates and cycle counts since date of manufacture using the parameter codes listed in table 346.
The Start-Stop Cycle Counter log page has the format shown in table 347.
Table 346 Solid State Media log parameters
Parameter
code
Description Resettable or
Changeable
[a]
0001h Date of Manufacture Never
0002h Accounting Date Always
0003h Specified Cycle Count Over Device Lifetime Never
0004h Accumulated Start-Stop Cycles Never
0005h Specified Load-Unload Count Over Device Lifetime Never
0006h Accumulated Load-Unload Cycles Never
all others Reserved
[a] The keywords in this column – Always, Reset Only, and Never – are defined in 5.2.2.3.
Table 347 Start-Stop Cycle Counter log page (Sheet 1 of 2)
Bit
Byte
7 6 5 4 3 2 1 0
0 DS SPF (0b) PAGE CODE (0Eh)
1 SUBPAGE CODE(00h)
2 (MSB)
PAGE LENGTH (n-3)
3 (LSB)
4 (MSB)
PARAMETER CODE 0001h
DATE OF MANUFACTURE
5 (LSB)
6 PARAMETER CONTROL BYTE – ASCII format list log parameter (see 5.2.2.2.2.4)
7 PARAMETER LENGTH (06h)
8 (MSB)
YEAR OF MANUFACTURE (4 ASCII CHARACTERS). . .
11 (LSB)
12 (MSB)
WEEK OF MANUFACTURE (2 ASCII CHARACTERS)
13 (LSB)
14 (MSB)
PARAMETER CODE 0002h
ACCOUNTING DATE
15 (LSB)
16 PARAMETER CONTROL BYTE – ASCII format list log parameter (see 5.2.2.2.2.4)
17 PARAMETER LENGTH (06h)
18 (MSB)
ACCOUNTING DATE YEAR (4 ASCII CHARACTERS). . .
21 (LSB)
22 (MSB)
ACCOUNTING DATE WEEK (2 ASCII CHARACTERS)
23 (LSB)
24 (MSB)
PARAMETER CODE 0003h
SPECIFIED CYCLE COUNT OVER DEVICE LIFETIME
25 (LSB)
26 PARAMETER CONTROL BYTE – binary format list log parameter (see 5.2.2.2.2.5)
27 PARAMETER LENGTH (04h)