Constellation CS Serial ATA Product Manual, Rev. C
31
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68
Minimum PIO cycle time with IORDY flow control (120 nsec)
0078
H
69–74
ATA-reserved
0000
H
75
Queue depth
001F
H
76
SATA capabilities
xxxx
H
77
Reserved for future SATA definition
xxxx
H
78
SATA features supported
xxxx
H
79
SATA features enabled
xxxx
H
80
Major version number
01F0
H
81
Minor version number
0029
H
82
Command sets supported
346B
H
83
Command sets supported
7501
H
84
Command sets support extension
(see note following this table)
4163H See Word 108-111 note.
(4163H = 0100000101100011 binary)
85
Command sets enabled
3469
H
86
Command sets enabled
B401
H
87
Command sets enable extension
4163
H
88
Ultra DMA support and current mode (see note following this table)
xx
7F
H
89
Security erase time
009C
H
90
Enhanced security erase time
009C
H
92
Master password revision code
FFFE
H
93
Hardware reset value
0000
H
95–99
ATA-reserved
0000
H
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.
ST3000NC002 = 5,860,533,168
ST3000NC000 = 5,860,533,168
ST2000NC001 = 3,907,029,168
ST2000NC000 = 3,907,029,168
ST1000NC001 = 1,953,525,168
ST1000NC000 = 1,953,525,168
104–107
ATA-reserved
0000
H
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.
Each drive will have a unique value.
112–127
ATA-reserved
0000
H
128
Security status
0021
H
129–159
Seagate-reserved
xxxx
H
160–254
ATA-reserved
0000
H
255
Integrity word
xxA5
H
Note
See the bit descriptions below for words 63, 84, and 88 of the Identify Drive data.
Description (if bit is set to 1)
Bit
Word 63
0
Multiword DMA mode 0 is supported.
1
Multiword DMA mode 1 is supported.
2
Multiword DMA mode 2 is supported.
8
Multiword DMA mode 0 is currently active.
9
Multiword DMA mode 1 is currently active.
10
Multiword DMA mode 2 is currently active.
Word
Description
Value