Samsung M8 manual Data Structure Revision Number

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Data Structure Revision Number

The Data Structure Revision Number identifies which version of this data structure is implemented by the device. This revision number identifies both the Attribute Value and Attribute Threshold Data structures.

SMART Attribute Data

The data structure of the SMART attribute table is defined for a block of 12-byte length. Total number of the attributes is 30. Each attribute defines Attribute ID, Status Flag, Attribute Value, and Vendor Specific bytes. The Attribute ID is range from 01h to FFh. The Vendor Specific bytes are not defined in these specifications.

Byte	Definition
00	Attribute ID Number
01-02	Status Flag
03	Attribute Value
04-11	Vendor Specific Attribute Information

These data structures contain information which facilitates the monitoring of key drive indicators in order to determine when the drive has deteriorated to the point at which it may impact the reliability of the host system.

Spinpoint M8 Product Manual REV 2.3

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Contents M8 Product Manual Page Table of Contents Servo System Read and Write Operations Read Fpdma Queued 60h Read Log Extended 2Fh Read Long 22h Table of Tables Manual Organization ScopeUser Definition Sata ReferenceDescription IntroductionKey Features Standards and Regulations Hardware RequirementsSpecifications SpecificationsSpecification Summary Spindle speed RPM RPM ClassPhysical Specifications Physical SpecificationsLogical Configurations Physical dimensionsPerformance Specifications Power Requirements Power consumptionPower consumption RatedEnvironmental Specifications Environmental Specifications15.0 Reliability Specifications Installation Space RequirementsUnpacking Instructions MountingMounting Dimensions OrientationClearance Mounting-Screw ClearanceSata Connectivity Cable ConnectorsVentilation Serial ATA Power ManagementHDD Power, Sata Interface, and Factory Jumper Connector Pin Locations on the Drive Pcba Drive Installation DC Power Connector and SATA-Bus Interface Cable ConnectionsDC Spindle Motor Assembly Head / Disk Assembly HDABase Casting Assembly Disk Drive OperationCoverAssembly Voice Coil Motor and Actuator Latch Assemblies Disk Stack AssemblyHead Stack Assembly Air Filtration SystemDisk Controller Digital Signal Process and Interface ControllerDrive Electronics DDR Host Interface Control Block Buffer Control BlockFrequency Synthesizer Disk Control BlockDisk Ldpc Control Block Time Base Generator Power ManagementRead/Write IC Automatic Gain ControlAnalog Anti-Aliasing Low Pass Filter Analog to Digital Converter ADC and FIRRead Channel Servo SystemRead and Write Operations Read Caching Firmware FeaturesWrite Channel Write Caching Multi-burst ECC Correction Defect ManagementAutomatic Defect Allocation SmartSata II Interface Sata TerminologySpinpoint M8 Product Manual REV Physical Interface Signal Summary Signal DescriptionsControl Block Register Descriptions When read When written2 I/O Register Address RegistersError Register Ex F1h Command Block Register DescriptionsFeatures Register and Feature Extended Register Ex F1h Device Control Register ex F6hCommand Register Ex F7h Device Register Ex F6hStatus Register Ex F7h Staggered Spin-up Disable Control Sata II Feature SETDevice Activity Signal Auto-Activate in DMA Setup FISPhy. Event Counters Software Settings Preservation Sata Power ManagementCommand Code Parameters ATA Command DescriptionsCommand Table Command Descriptions Check Power Mode E5hCommand Device Configuration Overlay B1hDevice Configuration Overlay Feature Register Values Download Micro Code 92hDevice Configuration Identify data structure Word Content Flush Cache E7h, EAh extended Execute Device Diagnostics 90hDiagnostic Codes Format Track 50hContent Description Identify Device information=the fields reported in word 88 are valid EXT =Media Card Pass Through command feature set supported Word Content Description WWNIdle Immediate E1h Automatic Standby Timer PeriodsIdle E3h Read Buffer E4h Initialize Device Parameters 91hNOP 00h Read DMA C8h, 25h extendedRead Long 22h Read Multiple Command C4h, 29h extendedRead Log Extended 2Fh Read Verify Sectors 40h, 41h extended Read Native Max Address F8h, 27h extendedRead Sectors 20h, 24h extended Security Erase Prepare F3h Security Disable Password F6hRecalibrate 10h Security Erase Unit F4hSecurity Set Password data content Security Set Password F1hSecurity Erase Unit Password Word Content Security Freeze Lock F5hSecurity Unlock F2h Set Features EFhIdentifier Level Command result Seek 7xh11 Set Features Register Definitions 12 Transfer Mode ValuesSet Max Address F9h, 37h extended Set Multiple Mode C6h13 Set Max Feature Register Values Sleep E6hSmart enable/disable attribute auto-save D2h 14 Smart Feature Registers ValuesSmart disable operations D9h Smart B0hSmart enable operations D8h Smart execute off-line immediate D4hSmart read data D0h 15 Device Smart Data StructureData Structure Revision Number Bit Name Description 16 Smart Attribute Status Flags17 Smart Attribute Data List 18 Off-line Data Collection Status ValuesSelf-test execution status byte 19 Self-test Execution Status ValuesSmart write log sector D6h Smart read log sector D5hSmart return status DAh Write DMA CAh, 35h extended Standby Immediate E0hWrite Buffer E8h Write Fpdma Queued 61hWrite Sectors 30h, 34h extended Write Multiple Command C5h, 39h extendedWrite Long 32h Spinpoint M8 Product Manual REV General Information MaintenanceMaintenance Precautions HDD handling guide -Please handle HDD by side surfaces Service and Repair HDD handling guide Prevent Shocks