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Table 5-2
Word
93
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:
11:
10-9:
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:
7-0:
Device 0 hardware reset result. Device 1 shall clear these bits to zero.
Device shall set these bits as follows:
7:
6:
5:
4:
3:
2-1:
0:
Identify Drive Command Parameters
CONTENT DESCRIPTION
Reserved.
0 = Device 1 did not assert PDIAG-.
1 = Device 1 asserted PDIAG-.
These bits indicate how Device 1 determined the device number:
Shall be set to one.
Reserved.
0 = Device 0 does not respond when Device 1 is selected.
1 = Device 0 responds when Device 1 is selected.
0 = Device 0 did not detect the assertion of DASP-.
1 = Device 0 detected the assertion of DASP-
0 = Device 0 did not detect the assertion of PDIAG-.
1 = Device 0 detected the assertion of PDIAG-.
0 = Device 0 failed diagnostics.
1 = Device 0 passed diagnostics.
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.
Shall be set to one.
ATA Bus Interface and ATA Commands
Maxtor Fireball3
5-13
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