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Barracuda SATA Product Manual, Rev. B 37
www.seagate.com Serial ATA (SATA) Interface
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 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.
ST31000524AS = 1,953,525,168
ST3750525AS = 1,465,149,168
ST3500413AS = 976,773,168
ST3320413AS = 625,142,448
ST3250312AS = 488,397,168
ST3160316AS = 312,581,808
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
Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features
are not supported.
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