NAS HDD Product Manual, Rev. A 31
www.seagate.com SATA Interface
92 Master password revision code FFFEH
93 Hardware reset value xxxxH
94 Automatic acoustic management 8080H
95–99 ATA-reserved 0000H
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.
ST4000VN000 = 7,814,037,168
ST3000VN000 = 5,860,533,168
ST2000VN000 = 3,907,029,168
104–107 ATA-reserved 0000H
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 0000H
128 Security status 0001H
129–159 Seagate-reserved xxxxH
160–254 ATA-reserved 0000H
255 Integrity word xxA5H
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.
Bit Word 84
0 SMART error login is supported.
1 SMART self-test is supported.
2 Media serial number is supported.
3 Media Card Pass Through Command feature set is supported.
4 Streaming feature set is supported.
Table 8 Identify Device commands (continued)
Word Description Value