C
ONSTELLATION
ES S
ERIAL
ATA P
RODUCT
M
ANUAL
, R
EV
. F
34
Note.
See the bit descriptions below for words 63, 84, and 88 of the Identify Drive data.
66
Recommended multiword DMA transfer cycle time per word
(120 ns)
0078
H
67
Minimum PIO cycle time without IORDY flow control (240 ns)
00F0
H
68
Minimum PIO cycle time with IORDY flow control (120 ns)
0078
H
69–74
ATA-reserved
0000
H
75
Queue depth
001F
H
76
Serial ATA capabilities
xxxx
H
77
Reserved for future Serial ATA definition
xxxx
H
78
Serial ATA features supported
xxxx
H
79
Serial ATA features enabled
xxxx
H
80
Major version number
003E
H
81
Minor version number
0028
H
82
Command sets supported
364B
H
83
Command sets supported
7C03
H
84
Command sets support extension
(see note following this table)
4003
H
See Word 108-111 note.
(4003H = 0100000000000011
binary)
85
Command sets enabled
30
xx
H
86
Command sets enabled
0001
H
87
Command sets enable extension
4000
H
88
Ultra DMA support and current mode (see note following this table)
xx
3F
H
89
Security erase time
0000
H
90
Enhanced security erase time
0000
H
92
Master password revision code
FFFE
H
93
Hardware reset value
xxxx
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.
ST2000NM0011 = 3,907,029,168
ST2000NM0031 = 3,907,029,168
ST2000NM0051 = 3,907,029,168
ST1000NM0011 = 1,953,525,168
ST1000NM0031 = 1,953,525,168
ST1000NM0051 = 1,953,525,168
ST500NM0011 = 976,773,168
ST500NM0031 = 976,773,168
ST500NM0051 = 976,773,168
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
0001
H
129–159
Seagate-reserved
xxxx
H
160–254
ATA-reserved
0000
H
255
Integrity word
xxA5
H
Word
Description
Value