Seagate ST980813ASG, ST9200420ASG, ST9160823ASG manual Description if bit is set to Bit Word

Word	Description	Value
90	Enhanced security erase time	0000H
92	Master password revision code	FFFEH
93	Hardware reset value	xxxxH
	(see description following this table)
94	Auto acoustic management setting	xxxxH
95–99	ATA-reserved	0000H
100–	Total number of user-addressable LBA sectors available	ST9200420AS = 390,721,968
103	(see Section 2.2 for related information)	ST9200420ASG = 390,721,968
	These words are required for drives that support the 48-bit	ST9160823AS = 312,581,808
	addressing feature. Maximum value: 0000FFFFFFFFFFFFh.	ST9160823ASG = 312,581,808
		ST9120823AS = 234,441,648
		ST9100821AS = 195,371,568
		ST980813AS = 156,301,488
		ST980813ASG = 156,301,488
104–	ATA-reserved	0000H
118
119	Free Fall Protection support (bit 5)	1 = Free Fall Protection supported
		0 = Free Fall Protection not supported
120	Free Fall Protection enable/disable (bit 5)	1 = Free Fall Protection feature is enabled
		0 = Free Fall Protection feature is disabled
121–	ATA-reserved	0000H
127
128	Security status	0001H
129–	Seagate-reserved	xxxxH
159
160–	ATA-reserved	0000H
254
255	Integrity word	xxA5H

Note. See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data:

Description (if bit is set to 1)

Bit Word 63

0Multiword DMA mode 0 is supported.

1Multiword DMA mode 1 is supported.

2Multiword DMA mode 2 is supported.

8Multiword DMA mode 0 is currently active.

9Multiword DMA mode 1 is currently active.

10Multiword DMA mode 2 is currently active.

Bit Word 88

0Ultra DMA mode 0 is supported.

1Ultra DMA mode 1 is supported.

2Ultra DMA mode 2 is supported.

3Ultra DMA mode 3 is supported.

Momentus 7200.2 SATA Product Manual, Rev. E 29