Sustained Ultra DMA Data In Burst | Maxtor 91280D5, 91024D4, 90750D3

DSTROBE at device

DD(15:0) at device

DSTROBE

at host

DD(15:0) at host

AT INTERFACE DESCRIPTION

	t2CYC
	tCYC	tCYC
		t2CYC
tDVH	tDVH	tDVH
	tDVS	tDVS

tDH

tDS

tDH

tDS

tDH

Figure 5 - 5

Sustained Ultra DMA Data In Burst

DMARQ

(device)

DMACK-

(host)

tRP

STOP

(host)

tSR

HDMARDY-

(host)

tRFS

DSTROBE

(device)

DD(15:0)

(device)

Figure 5 - 6

Host Pausing an Ultra DMA Data In Burst

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Image 38

Maxtor 91280D5, 91024D4, 90750D3, 91536D6, 91792D7, 92048D8 manual Sustained Ultra DMA Data In Burst

Contents

HA RD Drive Produc T MA Nual DiamondMax Plus Revisions Manual No Before You Begin U T I O N Contents Product Specifications Handling and Installation AT Interface Description Host Software Interface Glossary Interface CommandsService and Support Figures Manual Organization IntroductionMaxtor Corporation Abbreviations Key Words Signal ConventionsConventions Numbering DiamondMax Plus 5120 Key Features Product Description Product Features Functional / Interface Defect Management Zone DMZ On-the-Fly Hardware Error Correction Code ECCLogical Block Addressing Software ECC Correction Buffer Segmentation Read-Ahead ModeCache Management Automatic Write Reallocation AWR Major HDA Components Cylinder Limitation Subsystem ConfigurationJumper Location/Configuration Dual Drive Support Performance Specifications Product SpecificationsDrive Configuration Models and Capacities Physical Dimensions Parameter Standard Metric EPA Energy Star Compliance Power RequirementsPower Mode Definitions Environmental Limits Reliability Specifications Shock and Vibration Canadian Emissions Statement Safety Regulatory ComplianceRadiated Electromagnetic Field Emissions EMC Compliance Pre-formatted Drive Handling and InstallationHard Drive Handling Precautions Important Notice Unpacking and Inspection Multi-pack Shipping Container Repacking Physical InstallationRecommended Mounting Configuration Before You Begin General Requirements Mounting Drive in System Attaching Interface Power Cables System Setup Hard Drive Preparation System Hangs During Boot AT Interface Description Interface ConnectorSignal Pin Description Summary PIN Name Signal Name Signal Description Pin Description Table Timing Parameters Mode PIO Timing DMA Timing Ultra DMA Timing Timing Parameters all times in nanoseconds Sustained Ultra DMA Data In Burst Device Terminating an Ultra DMA Data In Burst Initiating an Ultra DMA Data Out Burst Device Pausing an Ultra DMA Data Out Burst Device Terminating an Ultra DMA Data Out Burst Host Software Interface Error RegisterFeatures Register Task File Registers Cylinder Number Registers Sector Count RegisterSector Number Register Device/Head Register Command Register Command Name Command Code Parameters Used SDH Summary Device Control Register Control Diagnostic RegistersAlternate Status Register Digital Input Register Interrupt Handling Reset and Interrupt HandlingReset Handling Interface Commands Set Feature Commands Read Verify Sectors Read CommandsRead Sectors Read DMA Read Multiple Write Sectors Write CommandsSet Multiple Mode Write Verify Sectors Write Multiple Write DMA Set Feature Commands Set Features Mode Power Mode Commands Sleep Mode Initialization Commands Identify Drive 15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Format Track Seek, Format and Diagnostic CommandsExecute Drive Diagnostic A.R.T. Command Set Execute S.M.A.R.T No Quibble Service Service and SupportService Policy Support Internet MaxFax ServiceCustomer Service Glossary Error Correction Code ECC Direct AccessDirect Memory Access Error Free File Allocation Table FAT Hard ErrorHead Disk Assembly HDA Flux Changes PER Inch Logical Block Addressing Phase Locked Loop PLLLogical Address Logical Sector Recoverable Error Random Access Memory RAMRead Gate Signal Sector Pulse Signal Write Gate Signal UN-CORRECTABLE ErrorUnrecoverable Error THIN-FILM Media