Seagate ST1500DL003, ST2000DL003 manual Fffeh, Bit Word

www.seagate.com			Serial ATA Interface
Table 7 Identify Device commands (Continued)
Word	Description		Value
87	Command sets enable extension		4123H
88	Ultra DMA support and current mode (see note following this		xx7FH
	table)
89	Security erase time		00A9H
90	Enhanced security erase time		00A9H
92	Master password revision code		FFFEH
93	Hardware reset value		xxxxH
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		ST2000DL003 = 3,907,029,168
	drives that support the 48-bit addressing feature. Maximum
			ST1500DL003 = 2,930,277,168
	value: 0000FFFFFFFFFFFFh.
104–107	ATA-reserved		0000H
108–111	The mandatory value of the world wide name (WWN) for the		Each drive will have a unique
	drive. NOTE: This field is valid if word 84, bit 8 is set to 1		value.
	indicating 64-bit WWN support.
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.

Table 8 Bit Descriptions

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.

Barracuda Green SATA Product Manual, Rev. B 33