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Momentus 5400.4 SATA Product Manual, Rev. B (Draft 02)
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.
ST9250827AS = 488,397,168
ST9200827AS = 390,721,968
ST9160827AS = 312,581,808
ST9120817AS = 234,441,648
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
Note. See the bit descriptions below for words 63, 88, 93 and 94 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.
Bit Word 88
0 Ultra DMA mode 0 is supported.
1 Ultra DMA mode 1 is supported.
2 Ultra DMA mode 2 is supported.
3 Ultra DMA mode 3 is supported.
4 Ultra DMA mode 4 is supported.
8 Ultra DMA mode 0 is currently active.
9 Ultra DMA mode 1 is currently active.
10 Ultra DMA mode 2 is currently active.
11 Ultra DMA mode 3 is currently active.
12 Ultra DMA mode 4 is currently active.
Word Description Value