Filter
Top Products
C141-E124-01EN3 - 36
(1) Header
a. Sense data length
This field indicates the length (number of bytes) of the parameter list (MODE SENSE data)
which it is possible to transfer to the INIT by this command. The length of the "Sense data
length" field itself is not included in this value. Also, a value for a portion of data with a
length that is supported by the IDD is reported in this field for a parameter list of the type
specified in the CDB regardless of the specification of the "Transfer byte length" field in the
CDB. In order for the INIT to confirm that all the parameter list requested in the command has
been transferred, it should check whether the value which has the length of the "Sense data
length" field itself added to the value indicated in this field is less than the value specified in
the "Transfer byte length" field.
b. Media type
X '00' (default type) is always reported in this field.
c. WP bit
When this bit is "1," it indicates that a write operation to the disk media is prohibited and
when "0" is specified, it indicates that a write operation is permitted. Prohibition or permission
of a write operation can be specified through the setting terminal (write protect) on the IDD.
See "Product Specifications/Installation Procedures" in the Product Manual concerning the
setting terminal.
d. DPOFUA bit
When this bit is “0”, it indicates that the IDD does not support the DPO and FUA bits. When
this bit is “1”, it indicates that the IDD supports the DPO and FUA bits.
e. Block descriptor length
This field indicates the "Block descriptor" length (byte length) which follows after the header.
The "Page descriptor" length is not included in this value. The IDD always reports X '08' in
this field if "0" is specified in the DBD bit of this command's CDB, and thus indicates that one
"Block descriptor" set follows after the header. When "1" is specified in the DBD bit of the
CDB, the value of this field is X '00'.