Maxtor Computer Drive manual Sata BUS Interface and ATA Commands, Mechanical Interface

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ATA Bus Interface and ATA Commands

Chapter 5

SATA BUS INTERFACE AND ATA COMMANDS

This chapter describes the interface between DiamondMax 8S 40GB Serial ATA hard disk drives and the Serial ATA bus. The commands that are issued from the host to control the drive are listed, as well as the electrical and mechanical characteristics of the interface.

5.1INTRODUCTION

Maxtor DiamondMax 8S 40GB Serial ATA hard disk drives use the Serial ATA interface. Support of various options in the standard are explained in the following sections.

5.2MECHANICAL INTERFACE

5.2.1Signal Cable and Connector

The DiamondMax 8S 40GB Serial ATA hard disk drive contains a unitized connector for both signal and power connections.

5.3ELECTRICAL INTERFACE

5.3.1SATA Bus Interface

5.3.1.1Electrical Characteristics

Signals on the SATA interface are assigned to connector pins according to Section

6.3.4in the Serial ATA: High Speed Serialized ATA Attachment standard. The signaling protocol complies with Section 6.6 of the standard.

5.4REGISTER ADDRESS DECODING

The DiamondMax 8S 40GB Serial ATA hard disk drives allow their host systems to address the full set of command and control registers as specified in clause 5 and 6 of the ATA/ATAPI-7, volume 1 standard.

5.5COMMAND INTERFACE

5.5.1General Feature Set

The µProcessor, Disk Controller, and SATA Interface electronics are contained in a proprietary ASIC developed by Maxtor.

Maxtor DiamondMax 8S 40GB SATA

5-1

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Contents May 13 Revision Part Number DiamondMax 8S 40GB Serial ATA Product ManualPatents UL/CSA/VDE/TUV /RoHSClause at Dfars 252.227-7013 and FAR McCarthy Blvd Milpitas, California Tel Fax Table of Contents Sata BUS Interface and ATA Commands InstallationService and Support Single Pack Shipping Container List of FiguresList of Tables Sata Pin 11 ConfigurationAudience Maxtor CorporationManual Organization ProductsSata Terminology and ConventionsSOF ReferenceMaxtor DiamondMax 8S 40GB Sata Product Description Serial ATA Interface KEY FeaturesReliability PerformanceVersatility Hardware Requirements Regulatory Compliance StandardsProduct EMI/EMS Qualifications Drive Configuration Product SpecificationsModels and Capacities Physical Dimensions Performance Specifications40GB Power Mode Definitions Power RequirementsEnvironmental Limits EPA Energy Star ComplianceTrack Following At SpeedParameter Operating NON-OPERATING Shock and VibrationCanadian Emissions Statement Reliability SpecificationsRoHS Compliance Safety Regulatory ComplianceSpace Requirements Installation2Single Pack Shipping Container Unpacking Instructions325 Pack Shipping Container Jumper Position Hardware OptionsStaggered Spin-up 4DiamondMax 8S 40GB Sata Power/Interface Connector SATA-P11 Orientation Mounting6Mounting Dimensions and Clearance Ventilation Sata Bus Interface ConnectorExternal Drive Activity LED For Systems with AN ADD-IN Sata Adapter Board Connecting the Adapter Board and the Drive2Device Plug Connector Pin Definitions 7Drive Power Supply and Sata Bus Interface Cables 8Completing the Drive Installation Command Interface Sata BUS Interface and ATA CommandsMechanical Interface Register Address DecodingCommand Feature Register Code Values Supported CommandsCommand Feature Register Code Values DBh Write Mulitple EXT Word Content Description Word Content Description Word Content Description Minimum Multiword DMA transfer cycle time per word ATA Bus Interface and ATA Commands Word Content Description Word Content Description Word Content Description Word Content Description Word Content Description Word Content Description = Ultra DMA mode 6 is selected Word Content Description ATA Bus Interface and ATA Commands Word Content Description Word Content Description Warranty Services Service and SupportProduct Support Glossary Maxtor DiamondMax 8S 40GB Sata G-2 FCI Acronym for flux changes per inch. See also BPI Kilobyte kB a unit of measure consisting of 1,024 210 bytes Initialize See low level formattingMillisecond ms One thousandth of a second .001 sec MB See megabyteMaxtor DiamondMax 8S 40GB Sata G-6 Transfer Rate The rate at which Maxtor DiamondMax 8S 40GB Sata G-8 Clearance 4-6,4-7,4-8