Figure 62. Inquiry Data - Evpd = 1 (Page Code = 83H) - IBM IC35L036UWDY10 - Ultrastar 36.7 GB Hard Drive Specifications

8.5.1.5 Inquiry data format - EVPD = 1 - Page Code = 83h
Byte
7
0 Qualifier = 0
1
2
3
4 Reserved = 0
Reserved
5
= 0
6
7
(MSB)
8-15

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.
Bit
6 5 4
Peripheral Device Type = 0
Page Code = 83h
Reserved = 0
Page Length = 12 (0Ch)
Association
= 0
Reserved = 0
Identifier Length = 8
World Wide ID
Ultrastar 146Z10 hard disk drive specifications
3 2 1
Code Set = 1
Identifier Type = 3
63
0
(LSB)