Table 5-34Device Identification Page - Field Description

Field

 

Definition

 

This field specifies the code set used for the Identifier field. Applicable values are:

 

Value Description

Code Set

0h

Reserved

1h

The Identifier field contains binary values

 

 

2h

The Identifier field contains ASCII graphic codes (code values 20h through 7Eh)

 

3h

– Fh Reserved

 

This field specifies the entity with which the Identifier field is associated. Applicable

 

values are:

Association

Value Description

0h

The Identifier field is associated with the addressed physical or logical device.

 

 

1h

The identifier field is associated with the port that received the request.

 

2h

– 3h Reserved

 

This field specifies the format and assignment authority for the identifier. Values in

 

this field are:

 

Value Description

 

0h

No assignment authority was used; there is no guarantee that the identifier is glo-

 

bally unique (vendor-specific).

Identifier Type

1h

The first 8 bytes of the Identifier field represent the Vendor ID.

2h The Identifier field contains an IEEE Extended Unique Identifier, 64-bit (EUI-64).

 

 

The Identifier Length field (Byte 7) is set to 8.

 

3h

Not applicable; for Fibre Channel devices.

 

4h Not applicable; if the Association value = 1h, the value of the Identifier contains a

 

4-byte, binary number that identifies the port relative to the other ports in the device.

 

5h

- Fh Reserved

5.9.2.6Command Support Data Pages

An application client can request command support data by setting the CmdDt bit of the INQUIRY command to 1, and specifying the SCSI operation code of the Command Descriptor Block (CDB) for which it wants information.

Format of the command support data and definitions of the fields follow in Table 5- 35, Table 5-36,and Table 5-37.

Table 5-35Command Support Data Page-Data Format

Bit

7

 

6

5

4

 

3

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

 

 

0

 

Peripheral Qualifier

 

 

Peripheral Device Type = 0

 

 

 

= 0

 

 

 

(Direct Access Device)

 

1

 

 

 

Reserved

 

 

 

 

Support

 

 

 

 

 

 

 

 

 

2

ISO Version

ECMA Version

ANSI-Approved Version

 

 

 

 

 

 

 

 

 

 

3 – 4

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

CDB Size (m – 5)

 

 

 

 

 

 

 

 

 

 

 

 

6 – m

(MSB)

 

CDB Usage Data

 

 

 

 

 

 

 

 

 

 

(LSB)

Maxtor Atlas 10K V

5-25