Maxtor 300 manual Content Description

ATA Bus Interface and ATA Commands

Table 5-2Identify Drive Command Parameters

Word CONTENT DESCRIPTION

93Hardware 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.

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.

5-14 Quickview 300 80/100/120/160/200/250/300GB PATA