Maxtor VL 17 AT Interface Description, Interface Connector, Pin Description Summary, PIN Signal

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SECTION 5

AT Interface Description

Interface Connector

All DiamondMax™ VL 17 AT drives have a 40-pin ATA interface connector mounted on the PCBA. The drive may connect directly to the host; or it can also accommodate a cable connection (max cable length: 18 inches).

Striped Edge (Pin 1)

	Drive 1 - Slave (gray)
System Connector (blue)	Drive 0 - Master (black)

Figure 5-1

Data Connector

Pin Description Summary

PIN	SIGNAL		PIN	SIGNAL

01	Reset -		02	Ground

03	DD7		04	DD8

05	DD6		06	DD9

07	DD5		08	DD10

09	DD4		10	DD11

11	DD3		12	DD12

13	DD2		14	DD13

15	DD1		16	DD14

17	DD0		18	DD15

19	Ground		20	(keypin)

21	DMARQ		22	Ground

23	DIOW -:STOP		24	Ground

25	DIOR -:HDMARDY:HSTROBE		26	Ground

27	IORDY:DDMARDY:DSTROBE		28	CSEL

29	DMACK -		30	Ground

31	INTRQ		32	IOCS16
31	INTRQ		32	Obsolete
				Obsolete

33	DA1		34	PDIAG -

35	DA0		36	DA2

37	CS0 -		38	CS1 -

39	DASP -		40	Ground

5 – 1

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Contents HA RD Drive Produc T MA Nual DiamondMaxVL REV EC no Section Description Date U T I O N Before You BeginContents Handling and Installation Product SpecificationsHost Software Interface AT Interface DescriptionInterface Commands Service and SupportGlossary Figures Maxtor Corporation IntroductionManual Organization AbbreviationsConventions Signal ConventionsKey Words NumberingProduct Description DiamondMax VL 17 Key FeaturesFunctional / Interface Product FeaturesOn-the-Fly Hardware Error Correction Code ECC Logical Block AddressingDefect Management Zone DMZ Cache Management Major HDA Components Jumper Location/Configuration Subsystem ConfigurationCylinder Limitation Dual Drive SupportDrive Configuration Product SpecificationsPerformance Specifications Models and CapacitiesParameter Standard Metric Physical DimensionsPower Mode Definitions Power RequirementsEPA Energy Star Compliance Environmental LimitsShock and Vibration Reliability SpecificationsSafety Regulatory Compliance Radiated Electromagnetic Field Emissions EMC ComplianceCanadian Emissions Statement Hard Drive Handling Precautions Handling and InstallationPre-formatted Drive Important NoticeMulti-pack Shipping Container Unpacking and InspectionPhysical Installation Recommended Mounting ConfigurationRepacking Tools for Installation Handling PrecautionsSystem Requirements Drive Identification InformationHard Drive Identification General RequirementsInstalling 5.25-inch Mounting Brackets and Rails Systems Using Cable SelectInstalling in a Device Bay Mounting Drive in SystemAttaching System Cables Attaching Interface and Power CablesSystem Setup Setting the Bios CmosBios Cmos Parameters Hard Drive Preparation System Hangs During Boot PIN Signal Interface ConnectorAT Interface Description Pin Description SummaryPin Description Table PIN Name Signal Name Signal DescriptionPIO Timing Timing Parameters ModeDMA Timing Ultra DMA Timing Mode MIN MAXSustained 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 Features Register Error RegisterHost Software Interface Task File RegistersSector Number Register Sector Count RegisterCylinder Number Registers Device/Head RegisterCommand Register Command Name Command Code Parameters Used Timer Value TIME-OUT PeriodSummary Alternate Status Register Control Diagnostic RegistersDevice Control Register Digital Input RegisterReset and Interrupt Handling Reset HandlingInterrupt Handling Set Feature Commands Interface CommandsRead Commands Read SectorsRead Verify Sectors Read Multiple Read DMASet Multiple Mode Write CommandsWrite Sectors Write Verify SectorsWrite DMA Write MultipleSet Feature Commands Set Features ModeValue Description Power Mode Commands Sleep Mode Initialization Commands Word Content DescriptionIdentify Drive 15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Execute Drive Diagnostic Seek, Format and Diagnostic CommandsError Code Description Format TrackExecute S.M.A.R.T A.R.T. Command SetService Policy Service and SupportNo Quibble Service SupportMaxFax Service Customer ServiceInternet Glossary Access TimeCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media