Seagate ST32122A Product Manual - Page 36

Description, Contents, Note., Description if bit is set to 1

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28 Medalist 4342, 3232, 2122, 1722 and 1012 Product Manual continued from previous page Word Description 69-74 ATA-reserved 75 Queue depth 76-79 ATA-reserved 80 Major version number 81 Minor version number 82 Command sets supported 83 Command sets supported 84 Command sets supported extension 85 Command sets enabled 86 Command sets enabled 87 Command sets enable extension 88 Ultra DMA support and current mode (see note following this table) 89 Security erase time 90 Enhanced security erase time 91-127 ATA-reserved 128 Security status 129-159 Seagate-reserved 160-255 ATA-reserved Contents 0000H 0000H 0000H 0007H FFFFH 0009H 4000H 0000H 0000H 0000H 0000H 0x07H 0000H 0000H 0000H xxxxH xxxxH 0000H Note. The following DMA and Ultra DMA mode settings are used in words 63 and 88, respectively, of the Identify Drive command: Bit Description (if bit is set to 1) 1 Multiword DMA mode 1 available 2 Multiword DMA mode 2 available 9 Multiword DMA mode 1 currently active 10 Multiword DMA mode 2 currently active

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Word
Description
Contents
69–74
ATA-reserved
0000
H
75
Queue depth
0000
H
76–79
ATA-reserved
0000
H
80
Major version number
0007
H
81
Minor version number
FFFF
H
82
Command sets supported
0009
H
83
Command sets supported
4000
H
84
Command sets supported extension
0000
H
85
Command sets enabled
0000
H
86
Command sets enabled
0000
H
87
Command sets enable extension
0000
H
88
Ultra DMA support and current mode
(see note following this table)
0
x
07
H
89
Security erase time
0000
H
90
Enhanced security erase time
0000
H
91–127 ATA-reserved
0000
H
128
Security status
xxxx
H
129–159 Seagate-reserved
xxxx
H
160–255 ATA-reserved
0000
H
Note.
The following DMA and Ultra DMA mode settings are used in
words
63 and 88, respectively,
of the Identify Drive command:
Bit
Description (if bit is set to 1)
1
Multiword DMA mode 1 available
2
Multiword DMA mode 2 available
9
Multiword DMA mode 1 currently active
10
Multiword DMA mode 2 currently active
continued from previous page
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Medalist 4342, 3232, 2122, 1722 and 1012 Product Manual