ATA Bus Interface and ATA Commands

 

 

Table 5-2Identify Drive Command Parameters

 

 

 

 

Word

 

 

CONTENT DESCRIPTION

 

 

 

 

128

Security status

 

 

 

 

15-9:

Reserved

 

 

 

 

8:

Security level 0 = High, 1 = Maximum

 

 

 

 

7-6:

Reserved

 

 

 

 

 

5:

1

= Enhanced security erase supported

 

 

 

 

 

4:

1

= Security count expired

 

 

 

 

 

3:

1

= Security frozen

 

 

 

 

 

2:

1

= Security locked

 

 

 

 

 

1:

1

= Security enabled

 

 

 

 

 

0:

1

= Security supported

 

 

129-159

Vendor specific

 

 

 

 

160-254

Reserved

 

 

 

 

255

Integrity word

 

 

 

 

15-8:

Checksum

 

 

 

 

7-0:

Signature

 

 

 

 

5-16 Quickview 300 80/100/120/160/200/250/300GB PATA

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Image 58
Maxtor 300 manual Integrity word 15-8 Checksum Signature