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Table 8 Identify Device command
Word
62
Obsolete
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 ns)
66
Recommended multiword DMA transfer cycle time per word (120 ns)
67
Minimum PIO cycle time without IORDY flow control (120 ns)
68
Minimum PIO cycle time with IORDY flow control (120 ns)
69
Additional supported
70–74
ATA-reserved
75
Queue depth
76
Serial ATA capabilities
77
(Bit 6:1) Send/Receive FPDMA Queued Commands Supported
78
Serial ATA features supported
79
Serial ATA features enabled
80
Major version number
81
Minor version number
82
Command sets supported
83
Command sets supported
84
Command sets support extension (see note following this table)
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
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.
104–105
ATA-reserved
106
Physical/Logical sector size
107
ATA-reserved
108–111
The mandatory value of the world wide name (WWN) for the drive.
NOTE: This field is valid if word 84, bit 8 is set to 1 indicating 64-bit WWN support.
Seagate SkyHawk AI Serial ATA Product Manual, Rev. A
Description
Serial ATA (SATA) interface
Value
0000
H
xx07
H
0003
H
0078
H
0078
H
0078
H
0078
H
0008
H
0000
H
001F
H
8D0E
H
xx4x
H
00CC
H
0040H
0FE0
H
FFFF
H
306B
H
7561
H
6173
H
3069
H
B441
H
6173
H
xx7F
H
xxxx
H
xxxx
H
FFFE
H
xxxx
H
0000
H
ST18000VE000 = 35,156,656,128
ST18000VE002 = 35,156,656,128
ST16000VE002 = 31,251,759,104
ST12000VE001 = 23,437,770,752
0000
H
6003
(512E)
H
0000
H
Each drive will have a unique value.
27
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