Product manual

Bytes 7–8
The
byte transfer length specifies the number of bytes the
initiator transfers to the drive.
If the transfer length does not equal the sum of the logical
block size plus twenty, the command is terminated with a
check condition status.
If the byte transfer length is zero, the initiator does not
transfer any data to the drive; this condition is not consid-
ered an error. Otherwise, the transfer length must be 532
(214
H
) bytes.
3.7 Group 2 commands
3.7.1 Log Select command (4C
H
)
The Log Select command (4C
H
) provides a means for an initiator to
manage the statistical data maintained by the drive about drive operation.
Initiators that implement the Log Select command shall also implement
the Log Sense command.
Note.
The initiator should issue the Log Sense command before
issuing the Log Select command to determine supported pages
and page length.
The data is structured in log pages and is managed through the log
parameters within log pages. The Log Select command allows the
initiator to select log pages and provides global management for the logs
it selects. The initiator can select 0 or additional log pages.
Bytes
Bits
7654321 0
00100110 0
1 Reserved PCR SP
2 PC Reserved
3-6 Reserved
7–8 Parameter list length
90000000 0
Byte 1
If the
parameter code reset (PCR) bit is set to 1 and the
parameter list length is 0, all implemented parameter val-
ues will be set to their factory-default values. If the PCR bit
is set to 1 and the parameter list length is greater than 0,
the command is terminated and a CHECK CONDITION
status is issued. The sense key will be set to ILLEGAL
Medalist Pro 2160N/2160WC Product Manual, Rev. A 75