SATA Bus Interface and ATA Commands

Table 5-2Identify Drive Command Parameters

Word

CONTENT DESCRIPTION

Hardware reset result. The contents of bits (12:0) of this word shall change only during the execution of a hardware reset

15:Shall be cleared to zero.

14:Shall be set to one.

13:1 = device detected CBLID- above ViH. 0 = device detected CBLID- below ViL

 

12-8:

Device 1 hardware reset result. Device 0 shall clear these bits to zero.

 

 

Device shall set these bits as follows:

 

 

 

 

12:

Reserved.

 

 

 

 

 

11:

0

= Device 1 did not assert PDIAG-.

 

 

1

= Device 1 asserted PDIAG-.

 

 

 

10-9: These bits indicate how Device 1 determined the device number:

 

 

 

 

 

00 = Reserved.

 

 

 

 

 

01 = a jumper was used.

 

 

 

 

 

10 = the CSEL signal was used.

 

 

 

 

 

11 = some other method was used or the method is unknown.

93

 

 

 

8:

Shall be set to one.

 

 

 

 

 

7-0:

Device 0 hardware reset result. Device 1 shall clear these bits to zero.

 

 

Device shall set these bits as follows:

 

 

 

 

7:

Reserved.

 

 

 

 

 

6:

0

= Device 0 does not respond when Device 1 is selected.

 

 

1

= Device 0 responds when Device 1 is selected.

 

 

 

 

 

5:

0

= Device 0 did not detect the assertion of DASP-.

 

 

1

= Device 0 detected the assertion of DASP-

 

 

 

 

 

4:

0

= Device 0 did not detect the assertion of PDIAG-.

 

 

1

= Device 0 detected the assertion of PDIAG-.

 

 

 

 

 

3:

0

= Device 0 failed diagnostics.

 

 

1

= Device 0 passed diagnostics.

2-1: These bits indicate how Device 0 determined the device number:

00 = Reserved.

01 = a jumper was used.

10 = the CSEL signal was used.

11 = some other method was used or the method is unknown.

0:Shall be set to one.

Maxtor QuickView 400/500GB Serial ATA Hard Disk Drive 5-13