Fujitsu C150-E049-02EN Manuale Utente

M3099GX/GH OEM Manual

3-87

The target shall terminate the command with CHECK
CONDITION status if the parameter list length results in the
truncation of any mode parameter header, mode parameter block
descriptor(omitted in this scanner), or mode page. The sense key
shall be set to ILLEGAL REQUEST, and the additional sense code
shall be set to PARAMETER LIST LENGTH ERROR.

The mode parameter list for the MODE SELECT and MODE
SENSE commands are defined in paragraph Mode Parameter.

The MODE SENSE(6) command (Table 3.67) provides a means for
a target to report parameters to the initiator. It is a complementary
command to the MODE SELECT(6) command.

0

1

2

3

4

5

Operation Code (1Ah)

Reserved

Allocation Length

Control

Logical Unit Number

Reserved

DBD

Reserved

PC

Page Code

DBD (disable block descriptors): 0b

This bit of zero indicates that the target may return zero or more
block descriptors in the returned MODE SENSE data (see ANSI
SCSI-2 8.3.3), at the target’s discretion. A DBD bit of one specifies
that the target shall not return any block descriptors in the returned
MODE SENSE data. The DBD bit must be 0b in this scanner.

PC (Page Control):

00h(current value)

This field defines the type of mode parameters values to be returned
in the mode pages. The page control field is defined in ANSI SCSI-2
Table 55, 8.2.10.1 to 8.2.10.4..

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