Maxtor QUICKVIEW ATA Manuel d'utilisateur télécharger pdf (Page 42)

SATA Bus Interface and ATA Commands

Maxtor QuickView 400/500GB Serial ATA Hard Disk Drive 5-5

When the command is received, the drive:

1. Sets BSY

2. Stores the required parameter information in the sector buffer

3. Sets the DRQ bit

4. Generates an interrupt

The host may then read the information out of the sector buffer. Parameter words in

the buffer are shown in Table 5-2.

Note: All reserved bits or words should be zeroes.

Table 5-2 Identify Drive Command Parameters

Word CONTENT DESCRIPTION

General configuration bit-significant information:

15: 0 = ATA device

14-8: Retired

7: 1 = removable media device

6: Obsolete

5-3: Retired

2: Response incomplete

1: Retired

0: Reserved

1 Obsolete

2 Specific configuration

3 Obsolete

4-5 Retired

6 Obsolete

7-8 Reserved for assignment by the CompactFlash Association

9 Retired

10-19 Serial number (20 ASCII characters)

20-21 Retired

22 Reserved

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 62 63

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Maxtor QUICKVIEW ATA Manuel d'utilisateur Page 42