ATA Bus Interface and ATA Commands

 

 

Table 5-2Identify Drive Command Parameters

 

 

 

 

Word

 

 

CONTENT DESCRIPTION

 

 

 

 

81

Minor version number

 

 

 

0000h or FFFFh = device does not report version.

 

0001h-FFFEh = see 6.16.41 of ATA/ATAPI-7 specification

 

 

82

Command set supported.

 

 

 

 

15:

Obsolete

 

 

 

 

 

14:

1

= NOP command supported

 

 

 

 

 

13:

1

= READ BUFFER command supported

 

 

 

 

 

12:

1

= WRITE BUFFER command supported

 

 

 

 

11:

Obsolete

 

 

 

 

 

10:

1

= Host Protected Area feature set supported

 

 

 

 

 

9:

1

= DEVICE RESET command supported

 

 

 

 

 

8:

1

= SERVICE interrupt supported

 

 

 

 

 

7:

1

= release interrupt supported

 

 

 

 

 

6:

1

= look-ahead supported

 

 

 

 

 

5:

1

= write cache supported

 

 

 

 

4:

Shall be cleared to zero to indicate that the PACKET Command feature set is

 

 

not supported

 

 

 

 

 

3:

1

= mandatory Power Management feature set supported

 

 

 

 

 

2:

1

= Removable Media feature set supported

 

 

 

 

 

1:

1

= Security Mode feature set supported

 

 

 

 

 

0:

1

= SMART feature set supported

 

 

83

Command sets supported.

 

 

 

 

15:

Shall be cleared to zero

 

 

 

 

14:

Shall be set to on

 

 

 

 

 

13:

1

= FLUSH CACHE EXT command supported

 

 

 

 

 

12:

1

= mandatory FLUSH CACHE command supported

 

 

 

 

 

11:

1

= Device Configuration Overlay feature set supported

 

 

 

 

 

10:

1

= 48-bit Address feature set supported

 

 

 

 

 

9:

1

= Automatic Acoustic Management feature set supported

 

 

 

 

 

8:

1

= SET MAX security extension supported

 

 

 

 

5-10 Quickview 300 80/100/120/160/200/250/300GB PATA