Table 5-11FORMAT UNIT Command Descriptor Block-Data Format

Bit

7

6

5

4

 

3

2

 

1

 

0

Byte

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Operation

Code (04h)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Reserved

 

Fmt Data

 

Cmp

 

Defect List Format

 

 

 

 

 

 

 

List

 

 

 

 

 

2

 

 

 

Vendor-

Specific

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 - 4

 

 

 

Interleave

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 5-12FORMAT UNIT Command-Field Descriptions

 

 

 

Field

 

Description

 

 

 

 

 

Format Data. When the Format Data value is 1, it indicates that a data-out buffer transfer

 

 

occurs as part of the command execution. The FORMAT UNIT Parameter list (consist-

FmtData

 

ing of a Defect List Header and, optionally, a number of Block Format Defect Descrip-

 

tors) is passed to the device during this phase.

 

 

 

 

When the Format Data value is 0, the data-out buffer transfer does not occur.

 

 

 

 

 

Complete List. When the Complete List value is 1, the drive deletes its current Grown

 

 

Defect List and starts a new one, containing the Logical Block Numbers listed in the de-

CmpLst

 

fect list supplied by the initiator during this format operation are added to the list, cre-

 

ating a new Grown Defect List.

 

 

When the Complete List value is 0, the drive adds initiator-supplied and newly found

 

 

defective Logical Block Numbers to the existing Grown Defective List.

 

 

The Defect List Format value specifies the defect descriptor passed by the initiator to

Defect List Format

 

the drive when the Format Data value is 1. Acceptable values are:

 

000b (Block [or Sector] Format)

 

 

100b (Index Format)

 

 

101b (Physical Sector Format)

Vendor-Specific

 

Not supported. Must be 0.

 

 

 

Interleave

 

Not supported. Ignored by the drive.

 

 

 

5-14 Maxtor Atlas 10K V