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C141-E110-02EN
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Table 5.5 Information to be read by IDENTIFY DEVICE command (6 of 7)
*19 Word 88: Ultra DMA modes
Bit 15-14: Reserved
Bit 13: 1 = Ultra DMA mode 5 is selected
0 = Ultra DMA mode 5 is not selected
Bit 12: 1 = Ultra DMA mode 4 is selected
0 = Ultra DMA mode 4 is not selected
Bit 11: 1 = Ultra DMA mode 3 is selected
0 = Ultra DMA mode 3 is not selected
Bit 10: 1 = Ultra DMA mode 2 is selected
0 = Ultra DMA mode 2 is not selected
Bit 9: 1 = Ultra DMA mode 1 is selected
0 = Ultra DMA mode 1 is not selected
Bit 8: 1 = Ultra DMA mode 0 is selected
0 = Ultra DMA mode 0 is not selected
Bit 7-6: Reserved
Bit 5: 1 = Ultra DMA mode 5 and below are supported
Bit 4: 1 = Ultra DMA mode 4 and below are supported
Bit 3: 1 = Ultra DMA mode 3 and below are supported
Bit 2: 1 = Ultra DMA mode 2 and below are supported
Bit 1: 1 = Ultra DMA mode 1 and below are supported
Bit 0: 1 = Ultra DMA mode 0 is supported
*20 Word89: Time required for SECURITY ERASE UNIT command to complete.
MPG3102AT = 0004
H
: 8 minutes
MPG3153AT = 0008
H
: 16 minutes
MPG3204AT = 0008
H
: 16minutes
MPG3307AT = 0010
H
: 32 minutes
MPG3409AT = 0010
H
: 32 minutes
*21 Word 93: Hardware reset result. The contents of bits 12-0 of this word shall change only
during the execution of a hardware reset.
Bit 15: 0
Bit 14: 1
Bit 13: 1 = device detected CBLID- above V
IH
(80-conductor cable)
0 = device detected CBLID- below V
IL
(40-conductor cable)
Bit 12-8: Device 1 hardware reset result. Device 0 shall clear these bits to zero.
Device 1 shall set these bits as follows:
Bit 12: 0 = Reserved
Bit 11: 0 = Device 1 did not assert PDIAG-
1 = Device 1 asserted PDIAG-
Bit 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
Bit 8: 1