Inquiry Command (12H) - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 3-11
NOTE
Jukebox SCSI-2 Command Set

Inquiry Command (12H)

Inquiry Command (12H)
This command requests information describing the type of SCSI device.
This information includes the following:
• Vendor ID
• Product ID
• Product revision
Inquiry Command CDB
Byte 7 6
0
1 Logical Unit Number
(0)
2
3
4
5
EVPD A 0 in this bit requests Standard Inquiry Information.
A 1 in this bit requests the vital product data specified
by the VPD identifier field.
VPD Identifier If EVPD is 0, this field should be 0. If EVPD is 1, this
field will contain the code for the requested vital
product data page (Table 3-12 on page 3-15).
Allocation
Length The number of bytes reserved for returned data.
Vital Product data pages are not supported in "fx" model jukeboxes.
3-14
5 4 3
Operation Code (12H)
Reserved (0)
VPD Identifier
Reserved (0)
Allocation Length
Control Byte (0)
2 1 0
EVPD
Chapter 3