WD WD40EVRX Manuals

Manuals and User Guides for WD WD40EVRX. We have 1 WD WD40EVRX manual available for free PDF download: Technical Reference Manual

Western Digital WD40EVRX Technical Reference Manual

Western Digital WD40EVRX Technical Reference Manual (63 pages)

Surveillance Hard Drives

Brand: Western Digital | Category: Storage | Size: 0.85 MB

Table of Contents

Table of Contents
5
1 Description and Features

13
- General Description
  13
- Product Features
  13
2 Specifications

16
- Performance Specifications
  16
- Physical Specifications
  16
  - Physical Dimensions
    16
- Mechanical Specifications
  17
- Figure 1 Mounting Dimensions
  17
- Electrical Specifications
  18
  - Current Requirements and Power Dissipation
    18
  - Input Voltage Requirements
    18
  - Ripple
    18
  - Power Connectors and Cables
    18
- Environmental Specifications
  19
  - Shock and Vibration
    19
  - Table 1 Shock and Vibration
    19
  - Temperature and Humidity
    20
  - Thermocouple Location
    21
  - Figure 2 Drive Base Casting Thermocouple Location
    21
  - Cooling
    22
  - Atmospheric Pressure
    22
  - Acoustics
    22
  - Rohs (Restriction of Hazardous Substances)
    22
  - Figure 3 Forced Airflow Direction
    22
- Reliability Specifications and Characteristics
  23
- Device Plug Connector Pin Definitions
  23
- Agency Approvals
  23
- Full Model Number Specification
  24
- Table 4 Full Model Number Description
  24
3 Product Features

25
- SATA 6 Gb/S
  26
- Allframe 4K Technology
  26
- Intelliseek
  26
- Dynamic Fly Height Control
  26
- Perpendicular Magnetic Recording (PMR)
  27
- Notouch Ramp Load Technology
  27
- Dual Stage Actuator Technology
  27
- Advanced Format (AF)
  27
- Native Command Queuing (NCQ)
  28
- Pre-Emptive Wear Leveling (PWL)
  28
- Command Transport (SCT)
  28
  - Write same
    28
  - Temperature Reporting
    29
- World Wide Name (WWN)
  29
- Reliability Features Set
  29
  - Data Lifeguard
    29
  - Thermal Management
    30
  - Internal Environmental Protection System
    31
  - Recoverable Errors
    31
  - Unrecoverable Errors
    31
  - Self Test
    31
  - ATA Error Logging
    31
  - Defect Management
    32
- Automatic Defect Retirement
  32
  - Error Recovery Process
    32
- Hot Plug Support
  33
- Active LED Status
  33
- Fluid Dynamic Bearings (FDB)
  33
- Staggered Spinup and Activity Indication (SATA Power Pin 11)
  33
  - Staggered Spinup
    34
  - Activity Indication
    34
- Cacheflow
  34
  - Write Cache
    34
  - Read Cache
    35
- 48-Bit Logical Block Addressing (LBA)
  35
- Power Management
  35
- Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.)
  35
- Security Mode
  36
  - Master and User Passwords
    36
  - Security Levels
    36
4 Ata Command Set

37
- Host Interface Commands
  37
  - ATA-8 Commands
    37
  - Table 5 ATA-8 Command Opcodes
    37
  - SATA Commands
    39
  - Obsolete Commands
    39
  - SCT Commands
    39
- B0H)
  39
- Identify Device (Ech)
  43
- Table 11 Identify Device Command
  43
- Set Features (Efh)
  50
5 Installation and Setup Procedures

51
- Unpacking
  51
- Mounting
  52
  - Mounting Restrictions
    52
  - Orientation
    52
  - Screw Size Limitations
    52
  - Grounding
    52
- Hard Drive Installation
  53
  - Jumper Settings
    53
  - Figure 12 Jumper Settings
    54
  - Attach the Power Supply Cable
    55
  - Attach SATA Interface Cable
    55
- Serial ATA Latching Connector
  55
- Figure 13 Connector Locations
  55
- Figure 14 SATA Interface Cable
  55
6 Maintenance

56
7 Technical Support

57
- WD Online Services
  57
8 Glossary

58

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