Maxtor VL 17 manual = Write Cache enabled

Page 59

INTERFACECOMMANDS

WORD CONTENT DESCRIPTION

83Command sets supported. If words 82, 83 and 84 = 0000h or FFFFh command set notification not supported.

15 = shall be cleared to zero

14 = shall be set to one

13-1 = reserved

0, 1 = supports Download Microcode command

84Command set extensions supported. If words 84, 85 and 86 = 0000h or FFFFh command set notification not supported.

15 = shall be cleared to zero

14 = shall be set to one

13-0 = reserved

85Command set enabled. If words 84, 85 and 86 = 0000h or FFFFh command set notification not supported.

15, 1 = Identify Device DMA command enabled 14, 1 = NOP command enabled

13, 1 = Write Buffer command enabled 12, 1 = Read Buffer command enabled 11, 1 = Write Verify command enabled

10, 1 = Host Protected Area feature set enabled 9, 1 = Device Reset command enabled

8, 1 = Service Interrupt enabled 7, 1 = Release Interrupt enabled 6, 1 = Look Ahead enabled

5, 1 = Write Cache enabled

4, 1 = Packet command feature set enabled 3, 1 = Power Mangement feature set enabled 2, 1 = Removable feature set enabled

1, 1 = Security feature set enabled 0, 1 = SMART feature set enabled

86Command sets enabled. If words 85, 86 and 87 = 0000h or FFFFh command set notification not supported.

15 = shall be cleared to zero

14 = shall be set to one

13-1 = reserved

0, 1 = supports Download Microcode command

87Command sets enabled. If words 85, 86 and 87 = 0000h or FFFFh command set notification not supported.

15 = shall be cleared to zero

14 = shall be set to one

13-0 = reserved

88 Ultra DMA

15-11 Reserved

101 = Ultra DMA Mode 2 is selected

9 1 = Ultra DMA Mode 1 is selected

8 1 = Ultra DMA Mode 0 is selected

7-3 Reserved

21 = Ultra DMA Modes 2 and below are supported

1 1 = Ultra DMA Modes 1 and below are supported 0 = Ultra DMA Mode1 is not supported

01 = Ultra DMA Modes 0 is supported

0 = Ultra DMA Mode 0 is not supported

127	Reserved
128	Security Status
	15-9 Reserved
	8	Security Level 0 = High, 1 = Maximum
	7-5 Reserved
	4	1 = Security count expired
	3	1 = Security frozen
	2	1 = Security locked
	1 1 = Security enabled
	0	1 = Security supported

129-130 Reserved

131Spin at power-up, but 0 is asserted when no spin at power-up is enabled. 132-159 Maxtor-specific (not used)

160-255 Reserved

7 – 11

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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 DescriptionGlossary Interface CommandsService and Support Figures Abbreviations IntroductionMaxtor Corporation Manual OrganizationNumbering Signal ConventionsConventions Key WordsProduct Description DiamondMax VL 17 Key FeaturesFunctional / Interface Product FeaturesDefect Management Zone DMZ On-the-Fly Hardware Error Correction Code ECCLogical Block Addressing Cache Management Major HDA Components Dual Drive Support Subsystem ConfigurationJumper Location/Configuration Cylinder LimitationModels and Capacities Product SpecificationsDrive Configuration Performance SpecificationsParameter Standard Metric Physical DimensionsEnvironmental Limits Power RequirementsPower Mode Definitions EPA Energy Star ComplianceShock and Vibration Reliability SpecificationsCanadian Emissions Statement Safety Regulatory ComplianceRadiated Electromagnetic Field Emissions EMC Compliance Important Notice Handling and InstallationHard Drive Handling Precautions Pre-formatted DriveMulti-pack Shipping Container Unpacking and InspectionRepacking Physical InstallationRecommended Mounting Configuration Drive Identification Information Handling PrecautionsTools for Installation System RequirementsHard Drive Identification General RequirementsMounting Drive in System Systems Using Cable SelectInstalling 5.25-inch Mounting Brackets and Rails Installing in a Device BayAttaching System Cables Attaching Interface and Power CablesBios Cmos Parameters System SetupSetting the Bios Cmos Hard Drive Preparation System Hangs During Boot Pin Description Summary Interface ConnectorPIN Signal AT Interface DescriptionPin 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 Task File Registers Error RegisterFeatures Register Host Software InterfaceDevice/Head Register Sector Count RegisterSector Number Register Cylinder Number RegistersCommand Register Summary Command Name Command Code Parameters UsedTimer Value TIME-OUT Period Digital Input Register Control Diagnostic RegistersAlternate Status Register Device Control RegisterInterrupt Handling Reset and Interrupt HandlingReset Handling Set Feature Commands Interface CommandsRead Verify Sectors Read CommandsRead Sectors Read Multiple Read DMAWrite Verify Sectors Write CommandsSet Multiple Mode Write SectorsWrite DMA Write MultipleValue Description Set Feature CommandsSet Features Mode Power Mode Commands Sleep Mode Identify Drive Initialization CommandsWord Content Description 15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Format Track Seek, Format and Diagnostic CommandsExecute Drive Diagnostic Error Code DescriptionExecute S.M.A.R.T A.R.T. Command SetSupport Service and SupportService Policy No Quibble ServiceInternet MaxFax ServiceCustomer Service Glossary Access TimeCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media