Ddr | Samsung M8 specs

SATA Host Bus (3 Gbps)

				32-bit ARM


	Host InterfaceBlock		Disk Controller						Read Channel		FormatSequencer&
			Disk Controller


			Buffer Control Block
			Buffer Control Block




				DDR

Figure 5-2: Spinpoint M8 Functional Block Diagram

Disk Preamp Motor Control

Spinpoint M8 Product Manual REV 2.3

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Image 33

Samsung M8 manual Ddr

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 Scope User DefinitionManual Organization Reference Sata Introduction Description Key Features Hardware Requirements Standards and Regulations Specification Summary SpecificationsSpecifications Spindle speed RPM RPM Class Logical Configurations Physical SpecificationsPhysical Specifications Physical dimensions Performance Specifications Power consumption Power consumptionPower Requirements Rated Environmental Specifications Environmental Specifications 15.0 Reliability Specifications Space Requirements Installation Mounting Unpacking Instructions Orientation Mounting Dimensions Mounting-Screw Clearance Clearance Cable Connectors VentilationSata Connectivity Serial ATA Management Power HDD Power, Sata Interface, and Factory Jumper Connector Pin Locations on the Drive Pcba DC Power Connector and SATA-Bus Interface Cable Connections Drive Installation Base Casting Assembly Head / Disk Assembly HDADC Spindle Motor Assembly Disk Drive Operation CoverAssembly Head Stack Assembly Disk Stack AssemblyVoice Coil Motor and Actuator Latch Assemblies Air Filtration System Digital Signal Process and Interface Controller Drive ElectronicsDisk Controller DDR Buffer Control Block Host Interface Control Block Disk Control Block Disk Ldpc Control BlockFrequency Synthesizer Read/Write IC Power ManagementTime Base Generator Automatic Gain Control Analog to Digital Converter ADC and FIR Analog Anti-Aliasing Low Pass Filter Servo System Read and Write OperationsRead Channel Firmware Features Write ChannelRead Caching Write Caching Automatic Defect Allocation Defect ManagementMulti-burst ECC Correction Smart Sata Terminology Sata II Interface Spinpoint M8 Product Manual REV Signal Descriptions Physical Interface Signal Summary 2 I/O Register Address When read When writtenControl Block Register Descriptions Registers Features Register and Feature Extended Register Ex F1h Command Block Register DescriptionsError Register Ex F1h Device Control Register ex F6h Device Register Ex F6h Command Register Ex F7h Status Register Ex F7h Device Activity Signal Sata II Feature SETStaggered Spin-up Disable Control Auto-Activate in DMA Setup FIS Phy. Event Counters Sata Power Management Software Settings Preservation ATA Command Descriptions Command TableCommand Code Parameters Check Power Mode E5h Command Descriptions Device Configuration Overlay Feature Register Values Device Configuration Overlay B1hCommand Download Micro Code 92h Device Configuration Identify data structure Word Content Diagnostic Codes Execute Device Diagnostics 90hFlush Cache E7h, EAh extended Format Track 50h Identify Device information Content Description =the fields reported in word 88 are valid EXT =Media Card Pass Through command feature set supported WWN Word Content Description Automatic Standby Timer Periods Idle E3hIdle Immediate E1h NOP 00h Initialize Device Parameters 91hRead Buffer E4h Read DMA C8h, 25h extended Read Multiple Command C4h, 29h extended Read Log Extended 2FhRead Long 22h Read Native Max Address F8h, 27h extended Read Sectors 20h, 24h extendedRead Verify Sectors 40h, 41h extended Recalibrate 10h Security Disable Password F6hSecurity Erase Prepare F3h Security Erase Unit F4h Security Erase Unit Password Word Content Security Set Password F1hSecurity Set Password data content Security Freeze Lock F5h Identifier Level Command result Set Features EFhSecurity Unlock F2h Seek 7xh 12 Transfer Mode Values 11 Set Features Register Definitions 13 Set Max Feature Register Values Set Multiple Mode C6hSet Max Address F9h, 37h extended Sleep E6h Smart disable operations D9h 14 Smart Feature Registers ValuesSmart enable/disable attribute auto-save D2h Smart B0h Smart execute off-line immediate D4h Smart enable operations D8h 15 Device Smart Data Structure Smart read data D0h Data Structure Revision Number 16 Smart Attribute Status Flags Bit Name Description 18 Off-line Data Collection Status Values 17 Smart Attribute Data List 19 Self-test Execution Status Values Self-test execution status byte Smart read log sector D5h Smart return status DAhSmart write log sector D6h Write Buffer E8h Standby Immediate E0hWrite DMA CAh, 35h extended Write Fpdma Queued 61h Write Multiple Command C5h, 39h extended Write Long 32hWrite Sectors 30h, 34h extended Spinpoint M8 Product Manual REV Maintenance Maintenance PrecautionsGeneral Information HDD handling guide -Please handle HDD by side surfaces HDD handling guide Prevent Shocks Service and Repair