
JULY 2007 MAGNUM 224, MAGNUM 448, STORAGELIBRARY T24, OR STORAGELOADER 2U
6-1
6
INQUIRY (12h)
6.1 ABOUT THIS COMMAND
The INQUIRY command requests that the library send information regarding
its parameters to the initiator. The library can return two categories of data in
response to this command:
Standard Inquiry Data, described starting on page 6-3, contains basic
information about the library, including the product identification.
Vital Product Data, described starting on page 6-8, contains additional
detailed information about the library. Each Vital Product Data page
requires a separate INQUIRY command from the initiator.
6.2 WHAT YOU SEND TO THE LIBRARY
EVPD (Enable Vital Product Data) – Byte 01, Bit 0
This bit indicates the type of inquiry data you are requesting, as follows:
Bit
Byte
7 6 5 4 3 2 1 0
00 0 0 0 1 0 0 1 0
01 Reserved EVPD
02 Page Code
03 Reserved
04 Allocation Length
05 0 0 Reserved 0 0
0 Standard inquiry data (described on page 6-3)
1
Vital product data (described on page 6-8), based on the
Page Code field (byte 02).
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