User Manual

SCSI Commands Reference Manual, Rev. J 103
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.7.1 Processing LOG SELECT when the parameter list length is zero
If the PARAMETER LIST LENGTH field is set to zero (i.e., when there is no parameter data being sent with a LOG SELECT command), the SCSI target
device responds by processing the log parameter values as described in this subclause.
PAGE CODE field and SUBPAGE CODE field
The PAGE CODE field and SUBPAGE CODE field (see table 67) specify the log page or log pages to which the other CDB fields apply (see table
67).
Table 68 defines the meaning of the combinations of values for the PCR bit, the SP bit, and the PC field.
Table 67 PAGE CODE field and SUBPAGE CODE field
PAGE CODE field SUBPAGE CODE field Description
00h 00h
All log parameters in all log pages
[a]
00h to 3Fh 01h to FEh
All log parameters in the log page specified by the page code and subpage code
00h to 3Fh FFh
All log parameters in the log pages specified by page code and all subpage codes
01h to 3Fh 00h
All log parameters in the log page specified by the page code
[a] This is equivalent to the LOG SELECT command operation specified by previous versions of this standard.