Maxtor VL 17 manual 15-8 = PIO data transfer mode

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INTERFACECOMMANDS

WORD	CONTENT DESCRIPTION
50	Reserved
51	15-8 = PIO data transfer mode
	7-0 = not used

52	15-8 = DMA data transfer mode

	7-0 = not used

53	15 = reserved
	2, 1 = the fields supported in words 88 are valid, 0 = the fields supported in words 88 are not valid
	1, 1 = the fields reports in words 64-70 are valid, 0 = the fields reports in words 64-70 are not valid
	0, 1 = the fields reports in words 54-58 are valid, 0 = the fields reports in words 54-58 are not valid
54	Number of current logical cylinders
55	Number of current logical heads
56	Number of logical sectors per track
57 - 58	Current capacity in sectors
59	15-9 = reserved
	8, 1 = multiple sector setting is valid

	7-0xxh = current setting for number of sectors that can per transferred per interrupt on Read/Write Multiple
	command

60 - 61	Total number of user addressable sectors (LBA mode only)

62	Reserved

63	15-8 = Multi-word DMA transfer mode active

	7-0 = Multi=word DMA transfer modes supported

64	15-8 = reserved

	7-0 = advanced PIO transfer modes supported

65	Minimum multi-word DMA transfer cycle time (15-0 = cycle time in nanoseconds)
66	Manufacturer's recommeded multi-word DMA transfer cycle time (15-0 = cycle time in nanoseconds)
67	Minimum PIO transfer cycle time without flow control (15-0 = cycle time in nanoseconds)
68	Minimum PIO transfer cycle time with IORDY flow control (15-0 = cycle time in nanoseconds)
69-79	Reserved
80	15-5 = reserved
	4, 1 = supports ATA-4
	3, 1 = supports ATA-3
	2, 1 = supports ATA-2

	1, 1 = supports ATA-1
	0, reserved
81	Minor version number

82	Command set supported. If words 82 and 83 = 0000h or FFFFh command set notification not supported.

	15, 1 = supports the Identify Device DMA command

	14, 1 = supports the NOP command

	13, 1 = supports the Write Buffer command

	12, 1 = supports the Read Buffer command

	11, 1 = supports the Read Buffer command

	10, 1 = supports Host-Protected Area feature set

	9, 1 = supports the Device Reset command
	8, 1 = supports Service Interupt
	7, 1 = supports Release Interupt
	6, 1 = supports Look Ahead
	5, 1 = supports Write Cache
	4, 1 = supports the Packet command feature set
	3, 1 = supports the Power Management feature command

	2, 1 = supports the Removable feature command

	1, 1 = supports the Security featurecommand

	0, 1 = supports the SMART feature set

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Contents HA RD Drive Produc T MA Nual DiamondMaxVL REV EC no Section Description Date Before You Begin U T I O NContents Product Specifications Handling and InstallationAT Interface Description Host Software InterfaceService and Support Interface CommandsGlossary Figures Manual Organization IntroductionMaxtor Corporation AbbreviationsKey Words Signal ConventionsConventions NumberingDiamondMax VL 17 Key Features Product DescriptionProduct Features Functional / InterfaceLogical Block Addressing On-the-Fly Hardware Error Correction Code ECCDefect Management Zone DMZ Cache Management Major HDA Components Cylinder Limitation Subsystem ConfigurationJumper Location/Configuration Dual Drive SupportPerformance Specifications Product SpecificationsDrive Configuration Models and CapacitiesPhysical Dimensions Parameter Standard MetricEPA Energy Star Compliance Power RequirementsPower Mode Definitions Environmental LimitsReliability Specifications Shock and VibrationRadiated Electromagnetic Field Emissions EMC Compliance Safety Regulatory ComplianceCanadian Emissions Statement Pre-formatted Drive Handling and InstallationHard Drive Handling Precautions Important NoticeUnpacking and Inspection Multi-pack Shipping ContainerRecommended Mounting Configuration Physical InstallationRepacking System Requirements Handling PrecautionsTools for Installation Drive Identification InformationGeneral Requirements Hard Drive IdentificationInstalling in a Device Bay Systems Using Cable SelectInstalling 5.25-inch Mounting Brackets and Rails Mounting Drive in SystemAttaching Interface and Power Cables Attaching System CablesSetting the Bios Cmos System SetupBios Cmos Parameters Hard Drive Preparation System Hangs During Boot AT Interface Description Interface ConnectorPIN Signal Pin Description SummaryPIN Name Signal Name Signal Description Pin Description TableTiming Parameters Mode PIO TimingDMA Timing Mode MIN MAX Ultra DMA TimingSustained 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 RegistersCylinder Number Registers Sector Count RegisterSector Number Register Device/Head RegisterCommand Register Timer Value TIME-OUT Period Command Name Command Code Parameters UsedSummary Device Control Register Control Diagnostic RegistersAlternate Status Register Digital Input RegisterReset Handling Reset and Interrupt HandlingInterrupt Handling Interface Commands Set Feature CommandsRead Sectors Read CommandsRead Verify Sectors Read DMA Read MultipleWrite Sectors Write CommandsSet Multiple Mode Write Verify SectorsWrite Multiple Write DMASet Features Mode Set Feature CommandsValue Description Power Mode Commands Sleep Mode Word Content Description Initialization CommandsIdentify Drive 15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Error Code Description Seek, Format and Diagnostic CommandsExecute Drive Diagnostic Format TrackA.R.T. Command Set Execute S.M.A.R.TNo Quibble Service Service and SupportService Policy SupportCustomer Service MaxFax ServiceInternet Access Time GlossaryCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media