Seagate ST31500341AS, ST31000333AS, ST3160813AS, ST3320813AS, ST3320613AS, ST3640623AS manual Xx07H

Word	Description	Value
	Total number of user-addressable LBA sectors available
	(see Section 2.1 for related information)
60–61	*Note: The maximum value allowed in this field is: 0FFFFFFFh	0FFFFFFFh*
	(268,435,455 sectors, 137 Gbytes). Drives with capacities over 137
	Gbytes will have 0FFFFFFFh in this field and the actual number of
	user-addressable LBAs specified in words 100-103. This is required
	for drives that support the 48-bit addressing feature.
62	Retired	0000H
63	Multiword DMA active and modes supported (see note following this	xx07H
	table)
64	Advanced PIO modes supported (modes 3 and 4 supported)	0003H
65	Minimum multiword DMA transfer cycle time per word (120 nsec)	0078H
66	Recommended multiword DMA transfer cycle time per word (120	0078H
	nsec)
67	Minimum PIO cycle time without IORDY flow control (240 nsec)	00F0H
68	Minimum PIO cycle time with IORDY flow control (120 nsec)	0078H
69–74	ATA-reserved	0000H
75	Queue depth	0000H
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	0000H
82	Command sets supported	364BH
83	Command sets supported	7C03H
84	Command sets support extension (see note following this table)	4003H See Word 108-111 note.
		(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
		ST31500341AS =2,930,277,168
	Total number of user-addressable LBA sectors available (see Section	ST31000333AS =1,953,525,168
		ST3640323AS = 1,250,263,728
	2.1 for related information). These words are required for drives that
100–103		ST3640623AS = 1,250,263,728
	support the 48-bit addressing feature. Maximum value:
		ST3320613AS =	625,142,448
	0000FFFFFFFFFFFFh.
		ST3320813AS =	625,142,448
		ST3160813AS =	312,581,808

30 Barracuda 7200.11 Serial ATA Product Manual, Rev. C