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WD20PURX
Western Digital WD20PURX Manuals
Manuals and User Guides for Western Digital WD20PURX. We have
1
Western Digital WD20PURX manual available for free PDF download: Technical Reference Manual
Western Digital WD20PURX 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
Performance Specifications
14
Physical Specifications
14
Physical Dimensions
15
Mechanical Specifications
15
Figure 2-1 Mounting Dimensions
15
Electrical Specifications
16
Current Requirements and Power Dissipation
16
Input Voltage Requirements
16
Ripple
16
Power Connectors and Cables
16
Environmental Specifications
17
Shock and Vibration
17
Table 2-1 Shock and Vibration
17
Temperature and Humidity
18
Thermocouple Location
18
Figure 2-2 Drive Base Casting Thermocouple Location
18
Cooling
19
Atmospheric Pressure
19
Acoustics
19
Rohs (Restriction of Hazardous Substances)
19
Figure 2-3 Forced Airflow Direction
19
Reliability Specifications and Characteristics
20
Device Plug Connector Pin Definitions
20
Figure 2-4 Standard Factory Connectors
20
Table 2-2 Device Pin Connector Pin Definitions
21
Agency Approvals
22
Full Model Number Specification
22
Table 2-3 Full Model Number Description
22
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
Read Attribute Values Sub-Command
37
Table 4-4 SCT Action Codes
37
Table 4-5 Definitions for the 512 Bytes
37
Supported Attributes
39
Read Log Sector
40
Table 4-6 Log Address Definition
40
Identify Device (Ech)
41
Table 4-7 Identify Device Command
41
Set Features (Efh)
49
5 Installation and Setup Procedures
50
Unpacking
50
Handling Precautions
50
Inspection of Shipping Container
50
Removal from Shipping Container
50
Removal from Static Shielding Bag
51
Moving Precautions
51
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
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