Operating instructions

6-8
SCSI REFERENCE 1012975
CHAPTER 6—INQUIRY (12h)
6.3.2 SUPPORTED VITAL PRODUCT DATA PAGE
(P
AGE CODE 00h)
When the EVPD bit is 1 and the Page Code is 00h, the autoloader returns the
Supported Vital Product Data page as described below.
Peripheral Qualifier – Byte 00, Bits 7 through 5
The value returned for this field is 0, which indicates that the autoloader is a
single LUN device.
Peripheral Device Type – Byte 00, Bits 4 through 0
The value returned for this field is 08h, which identifies the autoloader as a
medium changer device. If the LUN in the CDB is not 0, the value returned for
this field is 7Fh, which indicates that the LUN is invalid.
Page Code – Byte 01
The value returned for this field is 00h, which is the Page Code for the
Supported Vital Product Data page.
Page Length – Byte 03
The value returned for this field is 06h, which indicates that there are 6 bytes
of data on this page (excluding this byte).
First Page Code Supported – Byte 04
The value returned for this field is 00h, which indicates support for the
Supported Vital Product Data page.
Second Page Code Supported – Byte 05
The value returned for this field is 80h, which indicates support for the Unit
Serial Number page.
Bit
Byte
7 6 5 4 3 2 1 0
00 Peripheral Qualifier Peripheral Device Type
01 Page Code (00h)
02 Reserved
03 Page Length
04 First Page Code Supported (00h – Supported Vital Product Data page)
05 Second Page Code Supported (80h – Unit Serial Number page)
06 Third Page Code Supported (83h – Device Identification page)
07 Fourth Page Code Supported (C0h – Original Data page)
08 Fifth Page Code Supported (F0h – Code Level page)
09 Reserved