Manual De UsuarioTabla de contenidosSCOPE1USER DEFINITION1MANUAL ORGANIZATION1USB2REFERENCE2DESCRIPTION3INTRODUCTION3KEY FEATURES4STANDARDS AND REGULATIONS5HARDWARE REQUIREMENTS5SPECIFICATIONS6SPECIFICATION SUMMARY6PHYSICAL SPECIFICATIONS7LOGICAL CONFIGURATIONS7PERFORMANCE SPECIFICATIONS8POWER CONSUMPTION9ENVIRONMENTAL SPECIFICATIONS10RELIABILITY SPECIFICATIONS12INSTALLATION13SPACE REQUIREMENTS13UNPACKING INSTRUCTIONS14MOUNTING14Orientation14Ventilation15CABLE CONNECTORS16USB Connectivity16DRIVE INSTALLATION19SYSTEM STARTUP PROCEDURE20DISK DRIVE OPERATION21HEAD / DISK ASSEMBLY (HDA)21Base Casting Assembly21DC Spindle Motor Assembly21Disk Stack Assembly23Head Stack Assembly23Voice Coil Motor and Actuator Latch Assemblies23Air Filtration System23Load/Unload Mechanism23DRIVE ELECTRONICS24Digital Signal Process and Interface Controller24USB Interface Controller24The Host Interface Control Block24The Buffer Control Block25The Disk Control Block25The Disk ECC Control Block25Power Management26Read/Write IC26Time Base Generator26Automatic Gain Control26Asymmetry Correction Circuitry (ASC)26Analog Anti-Aliasing Low Pass Filter27Analog to Digital Converter (ADC) and FIR27SERVO SYSTEM28READ AND WRITE OPERATIONS28The Read Channel28The Write Channel29FIRMWARE FEATURES29Read Caching29Write Caching30Defect Management31Automatic Defect Allocation31Multi-burst ECC Correction31USB INTERFACE AND USB COMMANDS32INTRODUCTION32PHYSICAL INTERFACE32Mechanical Interface33Mechanical Overview33Connector33USB Connector Termination Data34Series “A” and Series “B” Receptacles35Series “A” and Series “B” Plugs36Cable37Cable Assembly37Standard Detachable Cable Assemblies37High-/full-speed Captive Cable Assemblies38Low-speed Captive Cable Assemblies39Prohibited Cable Assemblies39Electrical Interface40Electrical Overview40Signaling41High-speed (480Mb/s) Driver Characteristics42High-speed (480Mb/s) Signaling Rise and Fall Times43High-speed (480Mb/s) Receiver Characteristics43High-speed (480Mb/s) Signaling Levels44Power Distribution45Overview45Bus-powered Hubs45Self-powered Hubs46PROTOCOL LAYER47Protocol Layer Overview47Common USB Packet Fields48SYNC Fields48Packet Identifier Fields48Address Fields49Endpoint Fields50Frame Number Fields50Data Fields50Cyclic Redundancy Checks50Packet Format51Token Packet51Data Packet52Handshake Packet52Start-of-Frame Packets53Pipes53Transfer/Endpoint Types54Control Transaction55Bulk Transaction57USB Device Generic Framework59USB Device State59Attatched60Powered60Default61Address61Configured61Suspended61Bus Enumeration62Generic USB Device Operation62Dynamic Attachment and Removal62Address Assignment63Configuration63Data Transfer63Power Management63Request Processing64Standard USB Device Requests64Standard USB Device Request Overview66Clear Feature ( Request Code 1)67Get Configuration ( Request Code 8)68Get Descriptor ( Request Code 6)68Get Interface ( Request Code 10)69Get Status ( Request Code 0)69Set Address ( Request Code 5)71Set Configuration ( Request Code9)71Set Descriptor ( Request Code 7)71Set Feature ( Request Code 3)72Set Interface ( Request Code 11)73Synch Frame ( Request Code 12)73Standard USB Descriptor74Standard USB Descriptor Overview74Device Descriptor75Device Qualifier Descriptor76Configuration Descriptor77Other_Speed_Configuration_ Descriptor78Interface Descriptor79Endpoint Descriptor80String Descriptor82BULK-ONLY TRANSPORT836.4.1 FUNCTIONAL CHARACTERISTICS836.4.1.1 BULK-ONLY MASS STORAGE RESET (CLASS-SPECIFIC REQUEST)836.4.1.2 GET MAX LUN (CLASS-SPECIFIC REQUEST)836.4.1.3 HOST/DEVICE PACKET TRANSFER ORDER846.4.1.4 COMMAND QUEUING846.4.1.5 BI-DIRECTIONAL COMMAND PROTOCOL846.4.2 STANDARD DESCRIPTORS846.4.2.1 DEVICE DESCRIPTOR846.4.2.2 CONFIGURATION DESCRIPTOR (TABLE 6-22)866.4.2.3 INTERFACE DESCRIPTOR866.4.2.4 ENDPOINT DESCRIPTOR876.4.3 PROTOCOL (COMMAND/DATA/STATUS)876.4.3.1 COMMAND BLOCK WRAPPER (CBW)896.4.3.2 COMMAND STATUS WRAPPER (CSW)906.4.3.3 DATA TRANSFER CONDITIONS91COMMAND TRANSPORT91DATA TRANSPORT91STATUS TRANSPORT91PHASE ERROR91RESET RECOVERY916.4.4 HOST/DEVICE DATA TRANSFERS916.4.4.1 OVERVIEW916.4.4.2 VALID AND MEANINGFUL CBW926.4.4.3 VALID AND MEANINGFUL CSW926.4.4.4 DEVICE ERROR HANDLING936.4.4.5 HOST ERROR HANDLING936.4.4.6 ERROR CLASSES93CBW NOT VALID93INTERNAL DEVICE ERROR93HOST/DEVICE DISAGREEMENTS93COMMAND FAILURE93UFI COMMAND SET946.5.1 OVERVIEW946.5.1.1 HOST/UFI DEVICE CONCEPTUAL VIEW946.5.1.2 UFI COMMAND SET OVERVIEW956.5.2 INQUIRY COMMAND (12H)966.5.3 READ(10) COMMAND (28H)976.5.4 READ CAPACITY COMMAND (25H)976.5.5 READ FORMAT CAPACITY COMMAND (23H)986.5.5.1 CAPACITY LIST996.5.6 WRITE(10) COMMAND (2AH)100MAINTENANCE101GENERAL INFORMATION101MAINTENANCE PRECAUTIONS101SERVICE AND REPAIR103Table 3-1 : Specifications6Table 3-2 : Physical Specifications7Table 3-3 : Logical Configurations7Table 3-4 : Performance Specifications8Table 3-5 : Power consumption9Table 3-6 : Environmental Specifications10Table 3-7 : Reliability Specifications12Table 4-1 : USB Connector Pin Definitions17Table 4-2 : Logical Drive Parameters20Table 6-1 : USB Connector Termination Data34Table 6-2 : High-speed Signaling Levels44Table 6-3 : PID Types49Table 6-4 : Visible Device States60Table 6-5 : Format of Setup Data64Table 6-6 : Standard Device Request66Table 6-7 : Standard Request Codes67Table 6-8 : Descriptor Types67Table 6-9 : Standard Feature Sectors67Table 6-10 : Test Mode Selectors73Table 6-11 : Standard Device Descriptor75Table 6-12 : Device Qualifier Descriptor76Table 6-13 : Standard Configuration Descriptor77Table 6-14 : Other Speed Configuration Descriptor78Table 6-15 : Standard Interface Descriptor79Table 6-16 : Standard Endpoint Descriptor80Table 6-17 : Allowed wMaxPacketSize Values for Different Numbers of Transaction per Microframe82Table 6-18 : String Descriptor Zero, Specifying Language Supported by the Device82Table 6-19 : UNICODE String Descriptor82Table 6-20 : Bulk Only Transport Device Descriptor85Table 6-21 : Example Serial Number Format85Table 6-22 : Bulk Only Transport Configuration Descriptor86Table 6-23 : Bulk Only Data Interface Descriptor86Table 6-24 : Bulk-In Endpoint Descriptor87Table 6-25 : Bulk-Out Endpoint Descriptor87Table 6-26 : Command Block Wrapper89Table 6-27 : Command Status Wrapper90Table 6-28 : Command Block Status Values90Table 6-29 : UFI Commands Set95Table 6-30 : INQUIRY Command96Table 6-31 : INQUIRY Data Format96Table 6-32 : READ(10) Command97Table 6-33 : READ CAPACITY Command97Table 6-34 : READ CAPACITY Data98Table 6-35 : READ FORMAT CAPACITY Command98Table 6-36 : Capacity List99Table 6-37 : Capacity List Header99Table 6-38 : Current/Maximum Capacity Descriptor99Table 6-39 : Descriptor Code Definition100Table 6-40 : Formattable Capacity Descriptor100Table 6-41 : WRITE(10) Command100Figure 3-1 : Measurement Position11Figure 4-1 : Mechanical Dimension13Figure 4-2 : Mounting-Screw Clearance15Figure 4-3 : USB connector type16Figure 4-4 : USB interface18Figure 5-1 : Exploded Mechanical View22Figure 5-2 : Read/Write 88C931027Figure 6-1 : Interlayer Communication Flow32Figure 6-2 : Keyed Connector Protocol33Figure 6-3 : USB Series “A” Receptacle Interface35Figure 6-4 : USB Series “B” Receptacle Interface36Figure 6-5 : USB Series “B” Plug Interface36Figure 6-6 : USB Series “B” Plug Interface37Figure 6-7 : USB Standard Detachable Cable Assembly38Figure 6-8 : USB High-/full-speed Hardwired Cable Assembly38Figure 6-9 : USB Low-speed Hardwired Cable Assembly39Figure 6-10 : USB Cable Signal40Figure 6-15 : ADDR50Figure 6-16 : Endpoint Field50Figure 6-17 : Data Field Format50Figure 6-21 : SOF Packet53Figure 6-23 : Setup Stage55Figure 6-26 : Status Out Stage57Figure 6-27 : Bulk Transaction Model57Figure 6-28 : Bulk Transaction Diagram58Figure 6-36 : Command/Data/Status Flow88Figure 6-37 : Status Transport Flow88Figure 6-38 : Host/UFI Device Conceptual View94Figure 7-1 : HDD handling guide-Please handle HDD by side surfaces!102Figure 7-2 : HDD handling guide-Do not Touch Cover and PCB102Figure 7-3 : HDD handling guide-Do Not Stack!102Figure 7-4 : HDD handling guide-Prevent Shocks!103Tamaño: 2 MBPáginas: 111Language: EnglishManuales abiertas