Seagate ST34311A, ST32112A, ST38421A, ST36421A manual Multiword DMA active and modes

Page 35

U4 Family Product Manual, Rev. D		27

Word	Description	Value


63	Multiword DMA active and modes	xx07H
	supported (see note following this
	table)

64	Advanced PIO modes supported	0003H
	(modes 3 and 4 supported)

65	Minimum multiword DMA transfer	0078H
	cycle time per word (120 nsec)

66	Recommended multiword DMA	0078H
	transfer cycle time per word (120
	nsec)

67	Minimum PIO cycle time without	00F0H
	IORDY flow control (240 nsec)

68	Minimum PIO cycle time with IORDY	0078H
	flow control (120 nsec)	0078H

69–74	ATA-reserved	0000H

75	Queue depth	0000H

76–79	ATA-reserved	0000H

80	Major version number	001EH

81	Minor version number	0000H

82	Command sets supported	346BH

83	Command sets supported	4001H

84	Command sets support extension	4000H

85	Command sets enabled	xxxxH

86	Command sets enabled	xxxxH

87	Command sets enable extension	xxxxH

88	Ultra DMA support and current mode	001FH
	(see note following this table)

89	Security erase time	0000H

90	Enhanced security erase time	0000H

Image 35

Contents Product Manual Page Product Manual Page Contents ATA interface Configuring and mounting the driveSeagate Connfidential Review Draft not for Distribution FiguresSeagate Confidential Review Draft not for Distribution Introduction Specification summary table Track-to-track seek time Msec typical Vibration, nonoperating Physical organization Default logical geometryLBA Mode Formatted capacitySeek time Physical characteristicsDrive Specification ST38421A, ST36421A ST34311A, ST32112A Recording and interface technologyStart/stop times Power specificationsPower consumption Spinup powerIdle mode power Seek ModeRead/Write power and current Operating power and currentCurrent amps Time seconds Power Mode Typical Watts Typical Amps RMS 12VTypical current profile Voltage tolerance Power-management modesConducted noise Relative Humidity Environmental tolerances Ambient temperatureTemperature gradient HumidityOperating shock Wet bulb temperatureAltitude ShockDrive acoustics Operating vibrationNonoperating vibration Electromagnetic compatibility Agency certification Safety certificationElectromagnetic susceptibility ReliabilityAustralian C-Tick FCC verificationU4 Family Product Manual, Rev. D Handling and static-discharge precautions Configuring and mounting the driveMaster/slave jumper settings Jumper settings Master/slave configurationDrive mounting Important mounting precautionsCable-select option Ultra ATA/66 cableMounting dimensions-top, side and end view ATA interface ATA interface signals and connector pinsO pins and supported ATA signals Command name Command code in hex ATA-standard commands ATA Interface commands Supported ATA commandsATA-standard security commands Identify Drive commandCommand name ATA-standard power-management commandsWord Description 27-46 Drive model number 40 Ascii char Multiword DMA active and modes Description if bit is set to Bit Word 0CH Set Features commandCode in Features Register A.R.T. Command 4 S.M.A.R.T. commandsPage U4 Family Product Manual, Rev. D U4 Family Product Manual, Rev. D

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