Data Structure Revision Number | Samsung M8 guide

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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Samsung M8 manual Data Structure Revision Number

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 Reference Description Introduction Key Features Standards and Regulations Hardware Requirements Specifications SpecificationsSpecification Summary Spindle speed RPM RPM Class Physical Specifications Physical SpecificationsLogical Configurations Physical dimensions Performance Specifications Power Requirements Power consumptionPower consumption Rated Environmental Specifications Environmental Specifications 15.0 Reliability Specifications Installation Space Requirements Unpacking Instructions Mounting Mounting Dimensions Orientation Clearance Mounting-Screw Clearance Sata Connectivity Cable ConnectorsVentilation Serial ATA Power Management HDD Power, Sata Interface, and Factory Jumper Connector Pin Locations on the Drive Pcba Drive Installation DC Power Connector and SATA-Bus Interface Cable Connections DC Spindle Motor Assembly Head / Disk Assembly HDABase Casting Assembly Disk Drive Operation CoverAssembly Voice Coil Motor and Actuator Latch Assemblies Disk Stack AssemblyHead Stack Assembly Air Filtration System Disk Controller Digital Signal Process and Interface ControllerDrive Electronics DDR Host Interface Control Block Buffer Control Block Frequency Synthesizer Disk Control BlockDisk Ldpc Control Block Time Base Generator Power ManagementRead/Write IC Automatic Gain Control Analog Anti-Aliasing Low Pass Filter Analog to Digital Converter ADC and FIR Read Channel Servo SystemRead and Write Operations Read Caching Firmware FeaturesWrite Channel Write Caching Multi-burst ECC Correction Defect ManagementAutomatic Defect Allocation Smart Sata II Interface Sata Terminology Spinpoint M8 Product Manual REV Physical Interface Signal Summary Signal Descriptions Control Block Register Descriptions When read When written2 I/O Register Address Registers Error Register Ex F1h Command Block Register DescriptionsFeatures Register and Feature Extended Register Ex F1h Device Control Register ex F6h Command Register Ex F7h Device Register Ex F6h Status Register Ex F7h Staggered Spin-up Disable Control Sata II Feature SETDevice Activity Signal Auto-Activate in DMA Setup FIS Phy. Event Counters Software Settings Preservation Sata Power Management Command Code Parameters ATA Command DescriptionsCommand Table Command Descriptions Check Power Mode E5h Command Device Configuration Overlay B1hDevice Configuration Overlay Feature Register Values Download Micro Code 92h Device Configuration Identify data structure Word Content Flush Cache E7h, EAh extended Execute Device Diagnostics 90hDiagnostic Codes Format Track 50h Content Description Identify Device information =the fields reported in word 88 are valid EXT =Media Card Pass Through command feature set supported Word Content Description WWN Idle Immediate E1h Automatic Standby Timer PeriodsIdle E3h Read Buffer E4h Initialize Device Parameters 91hNOP 00h Read DMA C8h, 25h extended Read 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 F4h Security Set Password data content Security Set Password F1hSecurity Erase Unit Password Word Content Security Freeze Lock F5h Security Unlock F2h Set Features EFhIdentifier Level Command result Seek 7xh 11 Set Features Register Definitions 12 Transfer Mode Values Set Max Address F9h, 37h extended Set Multiple Mode C6h13 Set Max Feature Register Values Sleep E6h Smart enable/disable attribute auto-save D2h 14 Smart Feature Registers ValuesSmart disable operations D9h Smart B0h Smart enable operations D8h Smart execute off-line immediate D4h Smart read data D0h 15 Device Smart Data Structure Data Structure Revision Number Bit Name Description 16 Smart Attribute Status Flags 17 Smart Attribute Data List 18 Off-line Data Collection Status Values Self-test execution status byte 19 Self-test Execution Status Values Smart 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 61h Write 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