Table 5-52Mode Parameter List-Field Descriptions

Field

Description

 

 

Mode Parameter Header

Contains information about the remainder of the pa-

rameter list and is always present (see Table 5-53and

 

Table 5-54).

Block Descriptor

Allows the initiator to set the drive’s Logical Block

Size and number of Logical Block Addresses (see Ta-

 

ble 5-55and Table 5-56).

Page(s)

The page code(s) of the pages that are a part of this

command.

 

Table 5-53Mode Parameter Header (6-Byte)-Data Format

Bit

7

6

5

 

4

3

 

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

Mode Data

Length

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

Medium Type

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

Device-Specific Parameter

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Block Descriptor Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 5-54Mode Parameter Header- Field Descriptions

Field

Description

 

 

Mode Data Length

Reserved. Must be 0.

Medium Type

Ignored by the drive.

 

 

Device-specific Parameter

Ignored by the drive.

 

 

Block Descriptor Length

Zero (0) if no Block Descriptor is supplied. The length

is eight (8) if a Block Descriptor is supplied.

 

Table 5-55Mode Parameter Block Descriptor-Data Format

 

Bit

7

6

5

4

 

3

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

– 3

 

 

 

Number of Blocks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

5

– 7

 

 

 

Block Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maxtor Atlas 10K V

5-37