Maxtor 91792D7, 91024D4, 90750D3, 91280D5 Summary, Command Name Command Code Parameters Used SDH

Page 46

HOST SOFTWARE INTERFACE

Summary

COMMAND NAME

COMMAND CODE

 

 

 

 

 

PARAMETERS USED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b7

b6

b5

b4

b3

b2

b1

b0

 

F

SC

SN

C

SDH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recalibrate

 

0

0

0

1

x

x

x

x

 

N

N

N

N

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read Sector(s)

 

0

0

1

0

0

0

L

x

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read DMA

 

1

1

0

0

1

0

0

x

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Sector(s)

 

0

0

1

1

0

0

L

x

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write DMA

 

1

1

0

0

1

0

1

x

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Verify Sector(s)

 

0

0

1

1

1

1

0

0

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read Verify Sector(s)

 

0

1

0

0

0

0

0

x

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Format Track

 

0

1

0

1

0

0

0

0

 

N

N

N

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Seek

 

0

1

1

1

x

x

x

x

 

N

N

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Execute Diagnostic

 

1

0

0

1

0

0

0

0

 

N

N

N

N

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Initialize Parameters

 

1

0

0

1

0

0

0

1

 

N

Y

N

N

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read Sector Buffer

 

1

1

1

0

0

1

0

0

 

N

N

N

N

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Sector Buffer

 

1

1

1

0

1

0

0

0

 

N

N

N

N

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Identify Drive

 

1

1

1

0

1

1

0

0

 

N

N

N

N

D

Set Features

 

1

1

1

0

1

1

1

1

 

Y

N

N

N

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read Multiple

 

1

1

0

0

0

1

0

0

 

N

Y

Y

Y

Y

Write Multiple

 

1

1

0

0

0

1

0

1

 

N

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Set Multiple Mode

 

1

1

0

0

0

1

1

0

 

N

Y

N

N

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIMER VALUE

TIME-OUT PERIOD

0

Time-out disabled

1 - 240

(value * 5) seconds

241 - 251

((value - 240) * 30) minutes

252

21 minutes

253

Vendor unique period = 10 hours

254

Reserved

255

21 minutes, 15 seconds

6 – 4

Image 46
Contents HA RD Drive Produc T MA Nual DiamondMax Plus Revisions Manual No 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 Plus 5120 Key Features Product DescriptionProduct Features Functional / InterfaceDefect Management Zone DMZ On-the-Fly Hardware Error Correction Code ECCLogical Block Addressing Software ECC CorrectionBuffer Segmentation Read-Ahead ModeCache Management Automatic Write Reallocation AWRMajor 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 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 SummaryPIN Name Signal Name Signal Description Pin Description TableTiming Parameters Mode PIO TimingDMA Timing Ultra DMA Timing Timing Parameters all times in nanosecondsSustained 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 Command Name Command Code Parameters Used SDH SummaryDevice 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 Feature Commands Set Features ModePower Mode Commands Sleep Mode Initialization Commands Identify Drive15-8 = 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.TNo Quibble Service Service and SupportService Policy SupportCustomer Service MaxFax ServiceInternet Glossary Error Correction Code ECC Direct AccessDirect Memory Access Error FreeFile Allocation Table FAT Hard ErrorHead Disk Assembly HDA Flux Changes PER InchLogical Block Addressing Phase Locked Loop PLLLogical Address Logical SectorRecoverable Error Random Access Memory RAMRead Gate Signal Sector Pulse SignalWrite Gate Signal UN-CORRECTABLE ErrorUnrecoverable Error THIN-FILM Media