Seagate 5400-RPM, 7200-RPM manual XxxxH

Word	Description	Value
54	Number of current logical cylinders	xxxxH
55	Number of current logical heads	xxxxH
56	Number of current logical sectors per logical track	xxxxH
57–58	Current capacity in sectors	xxxxH
59	Number of sectors transferred during a Read Multiple or	xxxxH
	Write Multiple command
60–61	Total number of user-addressable sectors	ST9750423AS	= 0FFFFFFFh
	This field contains a value that is one greater than the total	ST9750423ASG = 0FFFFFFFh
	number of user-addressable sectors. The maximum value	ST9750422AS	= 0FFFFFFFh
	that shall be placed in this field is 0FFFFFFFh. The	ST9750420AS	= 0FFFFFFFh
	0FFFFFFFh value applies to all capacities over 137Gbytes	ST9750420ASG = 0FFFFFFFh
	(see Section 3.2 and 3.3 for related information).	ST9640424AS	= 0FFFFFFFh
		ST9640423AS	= 0FFFFFFFh
		ST9640423ASG = 0FFFFFFFh
		ST9500424AS	= 0FFFFFFFh
		ST9500423AS	= 0FFFFFFFh
		ST9500423ASG = 0FFFFFFFh
62	Retired	0000H
63	Multiword DMA active and modes supported	xx07H
	(see note following this table)
64	Advanced PIO modes supported (modes 3 and 4 supported)	0003H
65	Minimum multiword DMA transfer cycle time per word	0078H
	(120 ns)
66	Recommended multiword DMA transfer cycle time per word	0078H
	(120 ns)
67	Minimum PIO cycle time without IORDY flow control (240 ns)	0078H
68	Minimum PIO cycle time with IORDY flow control (120 nsec)	0078H
69–74	ATA-reserved	0000H
75	Queue depth	001FH
76	Serial ATA capabilities	0506H
77	ATA-reserved	0000H
78	Serial ATA features supported	0048H
79	Serial ATA features enabled	0040H
80	Major version number	01F0H
81	Minor version number	0029H
82	Command sets supported	746BH
83	Command sets supported	7D09H
84	Command sets support extension	61E3H
85	Command sets enabled	7469H
86	Command sets enabled	BC09H
87	Command sets enable extension	61E3H
88	Ultra DMA support and current mode	xx7FH
	(see note following this table)

Momentus Product Manual, Rev. B 27