
6-2
SCSI REFERENCE 1014826
CHAPTER 6—INQUIRY (12h)
Page Code – Byte 02
This field contains the page number of the vital product data page to be
returned for this INQUIRY command. The library supports the following page
codes:
If the EVPD bit is set to 0, the Page Code must be 00h.
Allocation Length – Byte 04
This field specifies the number of bytes that the initiator has allocated for
returned inquiry data. A value of 0 indicates that no inquiry data is to be
transferred. This condition is not an error.
The library terminates the Data In phase when it has transferred either the
number of bytes specified by the Allocation Length field or all of the available
inquiry data, whichever is less. The lengths for inquiry data returned by the
library are:
6.3 WHAT THE LIBRARY RETURNS
When the EVPD bit (byte 01, bit 0) is 0, the library returns 108 bytes of
Standard Inquiry Data, as described in the following section.
00h Supported Vital Product Data page
80h Unit Serial Number page
83h Device Identification page
C0h Original Data page
F0h Code Level page
6Ch (108) bytes for the Standard Inquiry Data
0Ah (10) bytes for the Supported Vital Product Data page
10h (16) bytes for the Unit Serial Number page
38h (56) bytes for the Device Identification page
6Ch (108) bytes for the Original Data page
60h (96) bytes for the Code Level page
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