Specifications

8.5.1.5 Inquiry data format - EVPD = 1 - Page Code = 83h

(MSB) World Wide ID

(LSB)

8-15

Identifier Length = 8

Reserved = 0

Identifier Type = 3

Association

Reserved

Code Set = 1

Reserved = 04

Page Length = 12 (0Ch)3

Reserved = 02

Page Code = 83h1

Peripheral Device Type = 0Qualifier = 00

01234567

Bit

Byte

Figure 62. INQUIRY DATA - EVPD = 1 (Page Code = 83h)

! Qualifier is set to zero to indicate that the LUN specified in the Command Block is currently sup-

ported.

! Peripheral Device Type is set to zero to indicate that the device is Direct Access.

! Page Code is set to 83h, and this field contains the same value as in the page code field of the

INQUIRY command descriptor block.

! Page length is set to 12, and this field specifies the length of the following page data.

! Code Set field specifies the code set used for the identifier field. The drive supports binary.

! Association field specifies the entity with which the identifier field is associated. The drive supports

value of 0h, the Identifier field is associated with the addressed physical or logical device.

! Identifier Type field specifies the format and assignment authority for the identifier. The drive sup-

ports the value of 03h.

! World Wide ID is a 64-bit unique identification for each drive. The format is

5005076hxxxyyn

where

! xxx is the 12-bit Block assignment defined for each model and manufacturing site. Refer to

Section 4.3.2, "World Wide ID - Block assignment" on page 10.

! yy is the 2-bit Port/Node ID select. This is 11b as for parallel SCSI interface devices.

! n is the 22-bit drive unique serial number.

Ultrastar 146Z10 hard disk drive specifications