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LD25 Series 5400.2 Product Manual, Rev. C
33
87 Command sets enable extension 4000
H
88 Ultra DMA support and current mode (see note following this
table)
xx3F
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
(see description following this table)
xxxx
H
94 Auto acoustic management setting 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.
ST980210A = 156,501,488
ST980210AS = 156,501,488
ST960210A = 117,410,240
ST960210AS = 117,410,240
ST940210A = 78,340,160
ST940210AS = 78,340,160
ST920210AS = 41,021,800
104–
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.
Word Description Value