Table 5-20FORMAT UNIT Initialization Pattern Descriptor-Field Descriptions

Name

Description

 

 

IP Modifier

The Initialization Pattern Modifier must be 0.

IP Type

The Initialization Pattern Type field (Table 5-21) indicates the type of pattern the drive

uses to initialize each logical sector within the initiator-accessible portion of the medium.

 

All bytes within a logical sector are written with the initialization pattern.

IP Length

The Initialization Pattern Length field indicates the number of bytes contained in the Ini-

tialization Pattern. The valid lengths (when IP Type = 1) are two or four bytes.

 

IP

Initialization Pattern.

 

 

Table 5-21FORMAT UNIT Initialization Pattern Type

Initialization Pattern Type

Description

 

 

00h

Use default pattern.1

01h

Repeat the initialization pattern as required to fill the logical sector.2

02h – FFh3

Reserved.

NOTES:

1.If the Initialization Pattern Length is not 0, the drive terminates the command with CHECK CONDITION status. The sense key is set to ILLEGAL REQUEST, and the additional sense code is set to INVALID FIELD IN PARAMETER LIST.

2.If the Initialization Pattern Length is 0, the drive terminates the command with CHECK CONDITION status. The sense key is set to ILLEGAL REQUEST, and the additional sense code is set to INVALID FIELD IN PARAMETER LIST.

3.If the Initialization Pattern Type is not 0 or 1, the drive terminates the command with a CHECK CONDITION status. The Sense Key is set to ILLEGAL REQUEST, and the Additional Sense Code is set to INVALID FIELD IN PARAMETER LIST.

5-18 Maxtor Atlas 10K V

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Maxtor 10K V manual 21FORMAT Unit Initialization Pattern Type, Name Description, Initialization Pattern Type Description