Seagate ST1000NM0053, ST2000NM0031, ST1000NM0011, ST500NM0051, ST2000NM0051, ST1000NM0031 Xx 3F H

Word	Description	Value
66	Recommended multiword DMA transfer cycle time per word	0078H
	(120 ns)
67	Minimum PIO cycle time without IORDY flow control (240 ns)	00F0H
68	Minimum PIO cycle time with IORDY flow control (120 ns)	0078H
69–74	ATA-reserved	0000H
75	Queue depth	001FH
76	Serial ATA capabilities	xxxxH
77	Reserved for future Serial ATA definition	xxxxH
78	Serial ATA features supported	xxxxH
79	Serial ATA features enabled	xxxxH
80	Major version number	003EH
81	Minor version number	0028H
82	Command sets supported	364BH
83	Command sets supported	7C03H
84	Command sets support extension	4003H See Word 108-111 note.
	(see note following this table)	(4003H = 0100000000000011
		binary)
85	Command sets enabled	30xxH
86	Command sets enabled	0001H
87	Command sets enable extension	4000H
88	Ultra DMA support and current mode (see note following this table)	xx3FH
89	Security erase time	0000H
90	Enhanced security erase time	0000H
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	ST2000NM0011 = 3,907,029,168
	2.2 for related information). These words are required for drives that	ST2000NM0031 = 3,907,029,168
	support the 48-bit addressing feature. Maximum value:	ST2000NM0051 = 3,907,029,168
	0000FFFFFFFFFFFFh.	ST1000NM0011 = 1,953,525,168
		ST1000NM0031 = 1,953,525,168
		ST1000NM0051 = 1,953,525,168
		ST500NM0011 =	976,773,168
		ST500NM0031 =	976,773,168
		ST500NM0051 =	976,773,168
104–107	ATA-reserved	0000H
108–111	The mandatory value of the world wide name (WWN) for the drive.	Each drive will have a unique
	NOTE: This field is valid if word 84, bit 8 is set to 1 indicating 64-bit	value.
	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. See the bit descriptions below for words 63, 84, and 88 of the Identify Drive data.

CONSTELLATION ES SERIAL ATA PRODUCT MANUAL, REV. F 34