Initiating an Ultra DMA Data Out Burst | Maxtor 5120 manual

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

5 – 8

Image 40

Maxtor 5120 manual Initiating an Ultra DMA Data Out Burst

Contents

HA RD Drive Produc T MA Nual DiamondMax Plus 92048U8, 91792U7, 91536U6, 91280U5, 91024U4 and 90750U3 Revisions Manual No Before You Begin U T I O N Contents Product Specifications Handling and Installation AT Interface Description Host Software Interface Service and Support Interface CommandsGlossary Figures Introduction Maxtor CorporationManual Organization Abbreviations Signal Conventions ConventionsKey Words Numbering DiamondMax Plus 5120 Key Features Product Description Product Features Functional / Interface On-the-Fly Hardware Error Correction Code ECC Logical Block AddressingDefect Management Zone DMZ Software ECC Correction Read-Ahead Mode Cache ManagementBuffer Segmentation Automatic Write Reallocation AWR Major HDA Components Subsystem Configuration Jumper Location/ConfigurationCylinder Limitation Dual Drive Support Product Specifications Drive ConfigurationPerformance Specifications Models and Capacities Physical Dimensions Parameter Standard Metric Power Requirements Average Power Mode DefinitionsEPA Energy Star Compliance Environmental Limits Reliability Specifications Shock and Vibration Radiated Electromagnetic Field Emissions EMC Compliance Safety Regulatory ComplianceCanadian Emissions Statement Handling and Installation Hard Drive Handling PrecautionsPre-formatted Drive Important Notice Unpacking and Inspection Multi-pack Shipping Container Recommended Mounting Configuration Physical InstallationRepacking Handling Precautions Tools for InstallationSystem Requirements Drive Identification Information General Requirements Hard Drive Identification Systems Using Cable Select Installing 5.25-inch Mounting Brackets and RailsInstalling in a Device Bay Mounting Drive in System Attaching Interface and Power Cables Attaching System Cables Setting the Bios Cmos System SetupBios Cmos Parameters Hard Drive Preparation System Hangs During Boot AT Interface Description Interface ConnectorPin Description Summary PIN Name Signal Name Signal Description Pin Description Table Timing Parameters Mode PIO Timing DMA Timing Mode MIN MAX Ultra DMA Timing 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 Error Register Features RegisterHost Software Interface Task File Registers Sector Count Register Sector Number RegisterCylinder Number Registers Device/Head Register Command Register Command Name Command Code Parameters Used SDH Summary Control Diagnostic Registers Alternate Status RegisterDevice Control Register Digital Input Register Reset Handling Reset and Interrupt HandlingInterrupt Handling Interface Commands Set Feature Commands Read Sectors Read CommandsRead Verify Sectors Read DMA Read Multiple Write Commands Set Multiple ModeWrite Sectors 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 Execute Drive Diagnostic Seek, Format and Diagnostic CommandsFormat Track A.R.T. Command Set Execute S.M.A.R.T Service and Support Service PolicyNo Quibble Service Support Customer Service MaxFax ServiceInternet Access Time Glossary Cylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media