Manuals / Maxtor / Computer Equipment / Computer Drive

Maxtor 51536U3 Initiating an Ultra DMA Data Out Burst, Sustained Ultra DMA Data Out Burst, device

Models: 51536U3 53073U6 52049U4 54098U8 51024U2

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AT INTERFACE DESCRIPTION

DMARQ
(device)
tUI
DMACK-
(host)
tACK	tENV
STOP
(host)
tZIORDY	tLI	tUI
DDMARDY-
(device)
tACK
HSTROBE
(host)
DD(15:0)	tDVS	tDVH
DD(15:0)
(host)
tACK
DA0, DA1, DA2,
CS0-, CS1-

HSTROBE

at host

DD(15:0)

at host

Figure 5 - 9

Initiating an Ultra DMA Data Out Burst

		t2CYC
	tCYC		tCYC
			t2CYC
tDVH	tDVS	tDVH	tDVH
	tDVS		tDVS

HSTROBE

at device

DD(15:0) at device

tDH

tDS

tDH

tDS

tDH

Figure 5 - 10

Sustained Ultra DMA Data Out Burst

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Image 32

Maxtor 51536U3 Initiating an Ultra DMA Data Out Burst, Sustained Ultra DMA Data Out Burst, device, host, DA0, DA1, DA2

Contents

DiamondMax Plus 1429/A54098U8, 53073U6, 52049U4, 51536U3, 51024U2 Corporate HeadquartersBefore You Begin C A U T I O NSection 2 - Product Description ContentsSection 1 - Introduction DIAMONDMAX PLUS 40 PRODUCT MANUAL Section 3 - Product SpecificationsSection 4 - Handling and Installation Section 7 -Interface Commands Section 5 - AT Interface DescriptionSection 6 - Host Software Interface Alternate StatusSection 8 - Service and Support GlossaryFigures TitleSECTION IntroductionMaxtorCorporation ManualOrganizationConventions SECTION DiamondMax Plus 40 Key FeaturesProduct Description Product Features Functional / InterfaceCacheManagement MajorHDAComponents CylinderLimitationJumperDescription SubsystemConfigurationJumper Location / Configuration ProductSpecifications DriveConfigurationPerformanceSpecifications ModelsandCapacitiesPhysicalDimensionsmaximum Figure 3 Outline and Mounting DimensionsPARAMETER STANDARDPowerRequirements PowerModeDefinitionsEPA Energy Star Compliance EnvironmentalLimitsReliabilitySpecifications Shock and VibrationSafetyRegulatoryCompliance EMC/EMIRadiated Electromagnetic Field Emissions - EMC Compliance Canadian Emissions StatementHandlingandInstallation HardDriveHandlingPrecautionsElectro-StaticDischargeESD SECTIONUnpackingandInspection Figure 4 Multi-pack Shipping ContainerRecommended Mounting Configuration PhysicalInstallationRepacking Before You Begin Hook upSet up Start upInstall the Hard Drive in a Device Bay Attach the Interface and Power CablesInterfaceConnector ATInterfaceDescriptionPinDescriptionSummary SECTIONPin Description Table PIO Timing Figure 5 PIO Data Transfer To/From DeviceDMATiming Figure 5 Multi-word DMA Data TransferUltra DMA Timing Figure 5 Initiating an Ultra DMA Data In BurstFigure 5 Host Pausing an Ultra DMA Data In Burst DSTROBE at device DD150 at deviceDSTROBE at host DD150 at host DMARQ device DMACK host STOP host HDMARDY host DSTROBE device DD150 deviceFigure 5 Device Terminating an Ultra DMA Data In Burst Figure 5 Host Terminating an Ultra DMA Data In BurstFigure 5 Initiating an Ultra DMA Data Out Burst Figure 5 Sustained Ultra DMA Data Out Burstdevice hostFigure 5 Device Pausing an Ultra DMA Data Out Burst Figure 5 Host Terminating an Ultra DMA Data Out BurstFigure 5 Device Terminating an Ultra DMA Data Out Burst DMARQ device DMACK host STOP host DDMARDY device HSTROBE host DD150host DA0, DA1, DA2 CS0-, CS1 SECTION HostSoftwareInterfaceTask File Registers Sector Count Register Sector Number RegisterCylinder Number Registers Device/Head RegisterCommandRegister Stops drive spindle do not change time-out valueSummary Control Diagnostic Registers Interrupt Handling Reset and Interrupt HandlingReset Handling InterfaceCommands SECTIONReadCommands Read DMA Read MultipleWriteCommands Write Multiple Write DMASetFeatureCommands PowerModeCommands SLEEP MODE InitializationCommands When the command is received, the drive 1. Sets BSYAllows the host to receive parameter information from the drive 2. Stores the required parameter information in the sector bufferWORD 1, 1 = Security feature set enabled 0, 1 = SMART feature set enabled Upon receipt of the command, the drive 1. Sets BSY Seek,FormatandDiagnosticCommands S.M.A.R.T. CommandSet RegisterServiceandSupport ServicePolicyNoQuibble Service SupportFrom DialMaxFax Service Customer ServiceGLOSSARY GlossaryPage Page Page