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Word
Description
59
Number of sectors transferred during a Read Multiple or Write Multiple
command
60–61
Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
*Note: The maximum value allowed in this field is: 0FFFFFFFh
(268,435,455 sectors, 137 Gbytes). Drives with capacities over 137
Gbytes will have 0FFFFFFFh in this field and the actual number of user-
addressable LBAs specified in words 100-103. This is required for
drives that support the 48-bit addressing feature.
62
Retired
63
Multiword DMA active and modes supported
(see note following this table)
64
Advanced PIO modes supported (modes 3 and 4 supported)
65
Minimum multiword DMA transfer cycle time per word (120 nsec)
66
Recommended multiword DMA transfer cycle time per word (120 nsec)
67
Minimum PIO cycle time without IORDY flow control (240 nsec)
68
Minimum PIO cycle time with IORDY flow control (120 nsec)
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 support 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
92
Master password revision code
93
Hardware reset value (see description following this table)
95–99
ATA-reserved
100–103
Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
These words are required for drives that support the 48-bit addressing
feature. Maximum value: 0000FFFFFFFFFFFFh.
104–127
ATA-reserved
26
Value
xxxx
H
ST3160022A =0FFFFFFFh*
ST3120025A = 234,441,648
ST380012A = 156,301,488
ST360019A = 117,231,408
0000
H
xx07
H
0003
H
0078
H
0078
H
00F0
H
0078
H
0000
H
0000
H
0000
H
007E
H
0000
H
346B
H
7D01
H
4003
H
34xx
H
3xxx
H
4003
H
xx3F
H
0000
H
0000
H
FFFE
H
xxxx
H
0000
H
ST3160022A = 312,581,808
ST3120025A = 234,441,648
ST380012A = 156,301,488
ST360019A = 117,231,408
0000
H
U Series 9 Product Manual, Rev. D
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