Figure 3.5 Vpd Information: Operation Mode - Fujitsu MAX3073NC - SCSI,80, Dell DC961,Hard Drive Scsi Logical Interface Specifications

Command Specifications
The values indicated in the "Qualifier" and "Device Type Code" fields in byte 0 are the same as those
in the previously mentioned standard INQUIRY data. The "Page code" field in byte 1 indicates the
page code (X '80') of this VPD information itself. Also, the "Page length" field in byte 3 indicates
the length (byte length) after byte 4. This value has no relationship to the specification in the
"Transfer Byte Length" in the CDB, but indicates the length of this VPD information and is always X
'0C' (Total data length = 16 bytes).
Bytes 4 to 15 indicate the IDD's device serial number in right-justified decimal (ASCII code).
c. Operation mode
This VPD information reports the IDD's current operation mode.
information is shown in Figure 3.5.
Bit
7
Byte
0
1
2
3
4 0
5 PHSCRC
6
7
The values indicated in the "Qualifier" and "Device Type Code" fields in byte 0 are the same as those
in the previously mentioned standard INQUIRY data. The "Page code" field in byte 1 indicates the
page code (X 'C0') of this VPD information itself. Also, the "Page length" field in byte 3 indicates
the length (byte length) after byte 4. This value has no relationship to the specification in the
"Transfer Byte Length" in the CDB, but indicates the length of this VPD information and is always X
'04' (Total data length = 8 bytes).
Byte 4 and subsequent bytes list all the VPD information page modes currently set in the IDD. This
operation mode setting is performed by the CHANGE DEFINITION command, described in Section
3.1.4, and Section 3.1.4 shows concerning a detailed definition of each bit.
3-12
6 5
Qualifier
X'C0' (Page Code)
X'00'
X'04' (Page Length)
0 0 WDTR
AGD ACE
X'xx' (Spindle Motor Start Delay Timing)
X'00' (Reserved)
Figure 3.5 VPD information: operation mode
4 3 2
Device Type Code
UNTAIN SDTR
0 0 0
The format of this VPD
1 0
RSRTY 0
RTD
C141-C010