User Manual

SCSI Commands Reference Manual, Rev. J 324
www.seagate.com Parameters for direct access devices
5.2.8 Environmental Reporting log page (0Dh/01h)
5.2.8.1 Overview
Using the format shown in table 295, the Environmental Reporting log page provides information about the environmental
conditions of the logical unit using the parameter codes listed in table 294.
The Environmental Reporting log page has the format shown in table 295.
DS bit, SPF bit, PAGE CODE field, SUBPAGE CODE field, and PAGE LENGTH field
The DS bit, SPF bit, PAGE CODE field, SUBPAGE CODE field, and PAGE LENGTH field are described in 5.2.2 The SPF bit, PAGE CODE field, and SUB-
PAGE CODE field shall be set as shown in table 295 for the Environmental Reporting log page.
The contents of each environmental reporting log parameter depends on the value in its PARAMETER CODE field (see table 294).
Table 294 Environmental Reporting log page parameter codes
Parameter code Description Resettable or
Changeable
[a]
Reference Support
0000h - 00FFh
Temperature Report
[c]
Never 5.2.8.2
At least one
[b]
0100h - 01FFh
Relative Humidity Report
[d]
Never 5.2.7.3 Optional
All others Reserved
[a] The keywords in this column -- Always, Reset Only, and Never -- are defined in 5.2.2.3.
[b] If the Environmental Reporting log page is supported, at least one of the parameter codes listed in this table shall be sup-
ported.
[c] If more than one Temperature Report parameter is supported, then each Temperature Report parameter represents the tem-
perature at a separate location.
[d] If more than one Relative Humidity Report parameter is supported, then each Relative Humidity Report parameter represents
the temperature at a separate location.
Table 295 Environmental Reporting log page
Bit
Byte
7 6 5 4 3 2 1 0
0 DS SPF (1b) PAGE CODE (0Dh)
1 SUBPAGE CODE (01h)
2 (MSB)
PAGE LENGTH (n-3)
3 (LSB)
Environmental Reporting log parameter
4
Environmental Reporting log parameter [first] (if any). . .
. . .
Environmental Reporting log parameter [last] (if any). . .
n