WD WD20EVRX Manuals

Manuals and User Guides for WD WD20EVRX. We have 1 WD WD20EVRX manual available for free PDF download: Technical Reference Manual

Western Digital WD20EVRX Technical Reference Manual

Western Digital WD20EVRX 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

11
- General Description
  11
- Product Features
  11
2 Specifications

14
3 Product

23
- Roduct Eatures
  23
- SATA 6 Gb/S
  24
- Allframe 4K
  24
- Intellipower
  24
- Intelliseek
  24
- Dynamic Fly Height Control
  25
- Perpendicular Magnetic Recording (PMR)
  25
- Notouch Ramp Load Technology
  25
- Dual Stage Actuator Technology
  25
- Advanced Format (AF)
  25
- Native Command Queuing (NCQ)
  26
- Pre-Emptive Wear Leveling (PWL)
  26
- Femto Slider
  26
- Command Transport (SCT)
  26
  - Write same
    26
  - Temperature Reporting
    27
- World Wide Name (WWN)
  27
- Reliability Features Set
  27
  - Data Lifeguard
    27
  - Thermal Management
    28
  - Internal Environmental Protection System
    28
  - Recoverable Errors
    28
  - Unrecoverable Errors
    28
  - Self Test
    28
  - ATA Error Logging
    29
  - Defect Management
    29
- Automatic Defect Retirement
  29
  - Error Recovery Process
    29
- Hot Plug Support
  30
- Active LED Status
  30
- Fluid Dynamic Bearings (FDB)
  31
- Staggered Spinup and Activity Indication (SATA Power Pin 11)
  31
  - Staggered Spinup
    31
  - Activity Indication
    31
- Cacheflow
  31
  - Write Cache
    32
  - Read Cache
    32
- 48-Bit Logical Block Addressing (LBA)
  32
- Power Management
  32
- Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.)
  34
- Security
  34
  - Master and User Passwords
    34
  - Ecurity Ode
    34
  - Security Levels
    34
4 Ata Command Set

35
- Host Interface Commands
  35
  - ATA-8 Commands
    35
  - Table 4-1 ATA-8 Command Opcodes
    35
  - SATA Commands
    36
  - Obsolete Commands
    36
  - Table 4-2 SATA Command Opcodes
    36
  - Table 4-3 Obsolete Command Opcodes
    36
  - SCT Commands
    37
- B0H)
  37
- Identify Device (Ech)
  41
- Table 4-7 Identify Device Command
  41
- Set Features (Efh)
  49
5 Installation and Setup Procedures

50
- Unpacking
  50
- Mounting
  51
  - Mounting Restrictions
    51
  - Orientation
    51
  - Screw Size Limitations
    51
  - Grounding
    52
- Hard Drive Installation
  52
  - Jumper Settings
    52
  - Figure 5-1 Jumper Settings
    53
  - Serial ATA Latching Connector
    54
  - Ttach the Ttach Sata I
    54
  - Power Supply
    54
  - Cable
    54
  - Figure 5-2 Connector Locations
    54
  - Figure 5-3 SATA Interface Cable
    54
6 Maintenance

56
7 Technical

57
- Echnical Upport
  57
- Wd Online Services
  57
8 Glossary

58

Advertisement

Advertisement

Related Products

WD Categories

Storage

Storage Network Storage Server Media Player Network Hardware Enclosure

More WD Manuals