Seagate ST9640422AS, ST9750422AS, ST9750424AS, ST9750423ASG, ST9750420ASG, ST9640423ASG Fffeh

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Word	Description	Value

89	Security erase time	0045H
90	Enhanced security erase time	0045H
91	Current APM values	8080H
92	Master password revision code	FFFEH
93	Hardware reset value (see description following this table)	xxxxH
94	Auto acoustic management setting	xxxxH
95	Stream Min. Request Size	0000H
96	Streaming Transfer Time - DMA	0000H
97	Streaming Access Latency - DMA and PIO	0000H
98–99	Streaming Performance Granularity	0000H
100–103	Total number of user-addressable LBA sectors available	ST9750423AS	= 1,465,149,168
	(see Section 3.2 for related information)	ST9750423ASG	= 1,465,149,168
	These words are required for drives that support the 48-bit	ST9750422AS	= 1,465,149,168
	addressing feature. Maximum value: 0000FFFFFFFFFFFFh.	ST9750420AS	= 1,465,149,168
		ST9750420ASG = 1,465,149,168
		ST9640424AS	= 1,250,263,728
		ST9640423AS	= 1,250,263,728
		ST9640423ASG = 1,250,263,728
		ST9500424AS	=	976,773,168
		ST9500423AS	=	976,773,168
		ST9500423ASG =		976,773,168

104	Streaming Transfer Time - PIO	0000H
105	Reserved	0000H
106	Physical sector size / Logical sector size	6003H
107	Seagate reserved	0000H
108–111	The mandatory value of the world wide name (WWN) for the	Each drive will have a unique value.
	drive. NOTE: This field is valid if word 84, bit 8 is set to 1
	indicating 64-bit WWN support.

112-118	ATA-reserved	0000H
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

121–127	ATA-reserved	0000H
128	Security status	0021H
129–159	Seagate-reserved	xxxxH
160–254	ATA-reserved	0000H
255	Integrity word	xxA5H

28	Momentus Product Manual, Rev. C

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Contents Momentus Standard models Free-fall sensor modelsRevision history Revision Date Sheets affected or commentsContents Momentus Product Manual, Rev. C List of Figures Page Seagate Technology support services Seagate Online Support and ServicesIntroduction Standard models Free Fall Protection modelsAbout the Serial ATA interface Specification summary table Drive specificationsDrive specifications for 750, 640 and 500 GB models Altitude, nonoperating Formatted capacity Default logical geometryLBA mode Physical organizationDrive specification Physical characteristicsRecording and interface technology Typical seek times Seek timeStart/stop times Typical seek times ms ReadPower specifications Typical current profile Conducted noise Voltage toleranceActive mode Power-management modesPower management modes Idle modeEnvironmental specifications Nonoperating shock ShockOperating shock VibrationElectromagnetic immunity Drive A-weighted Sound Power Levels SWL, BAAcoustics Test for Prominent Discrete Tones PDTsReliability Free Fall Protection featureSafety certification Agency certificationAustralian C-Tick N176 Korean RRLFCC verification European Union Restriction of Hazardous Substances RoHS Environmental protectionCorrosive environment China Restriction of Hazardous Substances RoHS DirectiveConfiguring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions-top, side and end view Drive mountingSerial ATA Sata interface Hot-Plug compatibilitySignal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function DefinitionSupported ATA commands Command name Command code in hex ATA-standard commands Command name Command code in hex ATA-standard security commandsIdentify Device command Word Description ValueXxxxH Fffeh Description if bit is set to Bit Set Features command Set Features command valuesA.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Momentus Product Manual, Rev. C Index ITE TPI Momentus Product Manual, Rev. C Page Seagate Technology LLC

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