Seagate ST9120824A, ST980829A, ST960812A, ST950814A, ST9402112A, ST930218A, ST9100825A manual XxxxH

Word	Description	Value
51	PIO data-transfer cycle timing mode	0200H
52	Retired	0200H
53	Words 54–58, 64–70 and 88 are valid	0007H
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 Write	xxxxH
	Multiple command
60–61	Total number of user-addressable LBA sectors available	ST9120824A = 234,441,648
	(see Section 2.2 for related information)	ST9100825A = 195,371,568
		ST980829A = 156,301,488
		ST960812A = 117,210,240
		ST950814A = 97,692,174
		ST9402112A = 78,140,160
		ST930218A = 58,605,120
62	Retired	0000H
63	Multiword DMA active and modes supported (see note	xx07H
	following this table)
64	Advanced PIO modes supported (modes 3 and 4 supported)	0003H
65	Minimum multiword DMA transfer cycle time per word (120	0078H
	nsec)
66	Recommended multiword DMA transfer cycle time per word	0078H
	(120 nsec)
67	Minimum PIO cycle time without IORDY flow control (240	00F0H
	nsec)
68	Minimum PIO cycle time with IORDY flow control (120 nsec)	0078H
69–74	ATA-reserved	0000H
75	Queue depth	0000H
76–79	ATA-reserved	0000H
80	Major version number	007EH
81	Minor version number	0000H
82	Command sets supported	346BH
83	Command sets supported	7D01H
84	Command sets support extension	4003H
85	Command sets enabled	34xxH
86	Command sets enabled	3xxxH
87	Command sets enable extension	4003H
88	Ultra DMA support and current mode	xx3FH
	(see note following this table)
89	Security erase time	0000H

Momentus 4200.2 Product Manual, Rev. C 27