Device Identification Page

Table 8. Device Identification Inquiry Page

 

7

6

5

 

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

0

Peripheral Qualifier (000b)

 

 

Peripheral Device Type (01h)

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

Page Code (83h)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

Page Length (n-3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

:

 

 

 

Identification Descriptors

 

 

 

n

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The device Identification Descriptor Page contains a series of device Identification Descriptors that uniquely identify the particular device. The format of each is given in Table 9.

Table 9. Identifier Descriptor Format

 

7

6

5

 

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

 

0

 

Reserved

 

 

 

 

Code Set (2h)

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Reserved

 

 

 

 

Identifier Type

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Identifier Length (n-3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

:

 

 

 

Identification Descriptor

 

 

 

n

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The device Identification Descriptor is returned by both the Parallel SCSI- and

Fibre-Channel-attached devices.

The Code Set field is 2, indicating the Identification Descriptor contains only ASCII data.

This device supports Identifier Type of 1. In this case, the Identification Descriptor is the Vendor ID followed by the Product Identification field from the standard inquiry data and the Serial Number field from the Serial Number Inquiry Page (see “Unit Serial Number Page” on page 10).

The Parallel SCSI drive reports only the single Identification descriptor of Identifier Type 1.

Chapter 2. Command Support 11

Page 25
Image 25
IBM T200F manual Device Identification Inquiry, Identifier Descriptor Format

T200F, T200 specifications

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