S
EAGATE
L
APTOP
SSHD P
RODUCT
M
ANUAL
, R
EV
. B
20
S
ERIAL
ATA (SATA) I
NTERFACE
98-99
Streaming Performance Granularity
0000
H
100–
103
Total number of user-addressable LBA sectors available
(see Section 3.2 for related information)
These words are required for drives that support the 48-bit address-
ing
feature. Maximum value: 0000FFFFFFFFFFFFh.
ST1000LX003 = 1,953,525,168
ST750LX006 = 1,465,149,168
104
Streaming Transfer Time - PIO
0000
H
105
Reserved
0000
H
106
Physical sector size / Logical sector size
6003
H
107
Seagate 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.
112-118
ATA-reserved
0000
H
119
Free Fall Protection support (bit 5)
1 = Free Fall Protection supported
0 = Free Fall Protection not supported
120
Free Fall Protection enable/disable (bit 5)
1 = Free Fall Protection feature is
enabled
0 = Free Fall Protection feature is dis-
abled
121–
127
ATA-reserved
0000
H
128
Security status
0021
H
129–
159
Seagate-reserved
xxxx
H
160–
221
ATA-reserved
0000
H
222
Transport major version number
101F
H
223–
254
ATA-reserved
0000
H
255
Integrity word
xxA5
H
N
OTE
See the bit descriptions below for words 63, 88 and 93 of the Identify Drive data.
Table 11 Bit Descriptions
Description (if bit is set to 1)
B
IT
W
ORD
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.
Table 10 Identify Device command
Word
Description
Value