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Seagate Terascale HDD Product Manual, Rev. B 26
www.seagate.com
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 03F0
H
81 Minor version number 001F
H
82 Command sets supported 346B
H
83 Command sets supported 7501
H
84 Command sets support extension
(see note following this table)
6163H See Word 108-111 note.
(6163H = 0110000101100011 binary)
85 Command sets enabled 3469
H
86 Command sets enabled B401
H
87 Command sets enable extension 6163
H
88 Ultra DMA support and current mode (see note following this table) xx7F
H
89 Security erase time 8100
H
90 Enhanced security erase time 8100
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.
ST4000NC001 = 7,814,037,168
ST4000NC000 = 7,814,037,168
104–107 ATA-reserved xxxx
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 xxxx
H
128 Security status 0021
H
129–159 Seagate-reserved xxxx
H
160–254 ATA-reserved xxxx
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