Western Digital WD15NPVX Technical Reference Manual
Western Digital WD15NPVX Technical Reference Manual

Western Digital WD15NPVX Technical Reference Manual

Wd green mb500m-6gb sata 6 gb/s hard drives
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WD Green
MB500M-6Gb
SATA 6 Gb/s Hard Drives
WD20NPVX
WD15NPVX
WD CONFIDENTIAL

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Summary of Contents for Western Digital WD15NPVX

  • Page 1 WD Green MB500M-6Gb ™ SATA 6 Gb/s Hard Drives WD20NPVX WD15NPVX WD CONFIDENTIAL...
  • Page 2 WD. WD reserves the right to change specifications at any time without notice. Western Digital, WD, and the WD logo are registered trademarks in the U.S. and other countries; and WD Green, Data Lifeguard, CacheFlow, and FIT Lab are trademarks of Western Digital Technologies, Inc. Other marks may be mentioned herein that belong to other companies.
  • Page 3 WD Green MB500M-6Gb Technical Reference Manual 2679-771422-A00 RELEASED 5/2/13 (WD CONFIDENTIAL)
  • Page 4 RELEASED 5/2/13 (WD CONFIDENTIAL) 2679-771422-A00...
  • Page 5: Table Of Contents

    WD Green MB500M-6Gb Table of Contents ABLE OF ONTENTS 1. D ....................1 ESCRIPTION AND EATURES 1.1 General Description ..................................1 1.2 Product Features .................................... 1 2. S ........................3 PECIFICATIONS 2.1 Performance Specifications ................................. 3 2.2 Physical Specifications.................................. 4 2.2.1 Physical Dimensions ..............................
  • Page 6 Table of Contents WD Green MB500M-6Gb 3.13.2 Read Cache ...................................19 3.13.3 48-bit Logical Block Addressing (LBA) ........................19 3.14 Power Management ..................................20 3.15 Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.)..................20 3.16 Security Mode ....................................20 3.16.1 Master and User Passwords ............................20 3.16.2 Security Levels ................................20 4.
  • Page 7 WD Green MB500M-6Gb List of Figures IST OF IGURES Figure 2-1 Mounting Dimensions ............................6 Figure 2-2 Drive Base Casting Thermocouple Location ....................9 Figure 2-3 Forced Airflow Direction ........................... 10 Figure 5-1 Drive Handling Precautions..........................35 Figure 5-2 Hard Drive Removal From Static Shielding Bag ..................36 Figure 5-3 Grounding Diagram ............................
  • Page 8 WD Green MB500M-6Gb List of Tables IST OF ABLES Table 2-1 Shock and Vibration ...............................8 Table 2-2 Full Model Number Description........................11 Table 4-1 ATA-7/ATA-8 Command Opcodes......................... 21 Table 4-2 Optional Subcommands ........................... 22 Table 4-3 Obsolete Command Opcodes ......................... 22 Table 4-4 SCT Action Codes ..............................
  • Page 9: Description And Features

    WD Green MB500M-6Gb Description and Features ESCRIPTION AND EATURES General Description WD Green hard drives are designed for use in systems that require cool and quiet operation, as secondary drives in PCs, for external enclosures and other applications for which low noise and low heat are beneficial.
  • Page 10 Description and Features WD Green MB500M-6Gb Active LED Status — These drives support external LED requirements. It provides an activity LED output which is ON during command execution and OFF otherwise. Staggered Spin-Up — Native SATA feature that allows the system to control whether the drive will spin up immediately or wait until the interface is fully ready.
  • Page 11: Specifications

    WD Green MB500M-6Gb Specifications PECIFICATIONS Performance Specifications Average Latency 5.8 ms Rotational Speed IntelliPower Data Transfer Rates 6 Gb/s - Interface Speed 135 MB/s (max) - Internal Transfer Rate Buffer Size 8 MB Spindle Start Time - From Power-on to Drive Ready 6.5s average - From Power-on to Rotational Speed 4.5s average...
  • Page 12: Physical Specifications

    Specifications WD Green MB500M-6Gb Physical Specifications Physical WD20NPVX WD15NPVX Specifications 2,000,398 MB 1,500,301 MB Capacity Interface SATA 6 Gb/s SATA 6 Gb/s Actuator Type Rotary Voice Coil Rotary Voice Coil Number of Disks Data Surfaces Number of Heads Physical Bytes per Sector...
  • Page 13: Physical Dimensions

    WD Green MB500M-6Gb Specifications 2.2.1 Physical Dimensions English Metric Dimension Tolerance Dimension Tolerance Height 0.59 inches Max. 15.00 mm Max. (0.58 inches) (Min.) (14.72 mm) (Min.) Length 3.94 inches ±0.01 inch 100.20 mm ±0.25 mm Width 2.75 inches ±0.01 inch 69.85 mm ±0.25 mm Weight (typical)
  • Page 14: Mechanical Specifications

    Specifications WD Green MB500M-6Gb Mechanical Specifications Figure 2-1 shows the mounting dimensions and locations of the screw holes for the drive. Figure 2-1. Mounting Dimensions RELEASED 5/2/13 (WD CONFIDENTIAL) 2679-771422-A00...
  • Page 15: Electrical Specifications

    WD Green MB500M-6Gb Specifications Electrical Specifications 2.4.1 Current Requirements and Power Dissipation Operating Mode Current Power 5 VDC 1000 mA 5.00 W Spinup (max) Read/Write (average) 340 mA 1.70 W Seek (average) 400 mA 2.00 W POWER MANAGEMENT COMMANDS Operating Mode Current Power 5 VDC...
  • Page 16: Esd

    Specifications WD Green MB500M-6Gb 2.4.5 The ESD specification compliance is determined at room ambient conditions with nominal power supply settings, unless otherwise specified. Op-System Level Minimum Direct contact discharges 8 kV Direct air discharges 15 kV Indirect contact discharges (VCP & HCP) 8 kV Indirect air discharges (VCP &...
  • Page 17: Temperature And Humidity

    WD Green MB500M-6Gb Specifications Rotational Shock Non-Operating Drives are tested by applying a rotational force centered around the actuator pivot. The drive incurs no physical damage when subjected to the rotational force specified in Table 2-1. Packaged Shock and Vibration The shipping packaging is designed to meet the National/International Safe Transit Association (N/ISTA) standards for packaged products.
  • Page 18: Cooling

    Specifications WD Green MB500M-6Gb 2.5.4 Cooling If forced air cooling is required, the drive must be positioned to receive airflow from one or more fans as indicated in Figure 2-3. Figure 2-3. Forced Airflow Direction 2.5.5 Atmospheric Pressure Altitude Operating -1,000 feet to 10,000 feet (-305m to 3,048m) Non-operating -1,000 feet to 40,000 feet (-305m to 12,192m)
  • Page 19: Agency Approvals

    Table 2-2. Full Model Number Description Model Number Format Product Brand Description WD20NPVX-xxEA4Tx WD Green IntelliPower MB500M 8 MB SATA 6 Gb/s AF WD15NPVX-xxEA4Tx WD Green IntelliPower MB500M 8 MB SATA 6 Gb/s AF 2679-771422-A00 RELEASED 5/2/13 (WD CONFIDENTIAL)
  • Page 20: Product

    Product Features WD Green MB500M-6Gb RODUCT EATURES SATA 6 Gb/s Advanced Format (AF) Fluid Dynamic Bearings (FDB) IntelliPower Reduced Power Spinup (RPS) Perpendicular Magnetic Recording (PMR) System-on-Chip (SOC) S.M.A.R.T. Command Transport (SCT) Reliability Features Set—Data Lifeguard™ Hot Plug Support Active LED Status Staggered Spin-Up and Activity Indication (SATA Power Pin 11) CacheFlow™...
  • Page 21: Sata 6 Gb/S

    WD Green MB500M-6Gb Product Features SATA 6 Gb/s SATA 6 Gb/s is the next generation interface for SATA hard drives. It adds to the functionality of the SATA 1.5 Gb/s interface with the following features: Improved Power Management— provides improved power management features including Host Initiated SATA Power Management (HIPM) and Device Initiated SATA Power Management (DIPM).
  • Page 22: Perpendicular Magnetic Recording (Pmr)

    Product Features WD Green MB500M-6Gb To address this requirement, WD has developed Reduced Power Spinup (RPS) mode. RPS-enabled drives use minimal power consumption during spin up, allowing a greater range of compatibility with various systems and cables in the marketplace. RPS mode is set via jumper. See Figure 5-4 for more information.
  • Page 23: Read/Write Long

    WD Green MB500M-6Gb Product Features a specific pattern by sending this command with the pattern as a parameter—no data transfer is necessary. Write Same can write the entire media, or just a portion of the media. The host can monitor the progress of the Write Same by issuing SCT Status requests.
  • Page 24: Thermal Management

    Product Features WD Green MB500M-6Gb 3.9.2 Thermal Management The drive is designed with Thermal Management features for high reliability. State-of-the-art mechanical design—Mechanical design is optimized to reduce the drive’s temperature. State-of-the-art thermal dissipation and windage design is employed. Closed loop servo management—Thermal management monitors the drive temperature and can control servo operations to maintain a stable operating temperature under high temperature conditions.
  • Page 25: Defect Management

    WD Green MB500M-6Gb Product Features determine whether a system problem is the result of a hard drive failure or other component malfunction. Error Logging retains total error count for the life of the drive and complete records for the last five errors. 3.9.8 Defect Management Every WD drive undergoes factory-level intelligent burn in, which thoroughly tests for and maps out...
  • Page 26: Active Led Status

    Product Features WD Green MB500M-6Gb The Serial ATA revision 2.5 specification requires staggered pins for both the hard drive and drive receptacles. Staggered pins mate the power signals in the appropriate sequences required for powering up the hot plugged device. These pins are also specified to handle in excess of the maximum allowed inrush current that occurs during drive insertion.
  • Page 27: 3.13.1 Write Cache

    WD Green MB500M-6Gb Product Features increasing the number of times that requested data is in the cache. This reduces the number of host commands that require actual media access thereby improving overall drive performance. Typical applications perform a variety of access patterns, such as random, sequential, and repetitive. CacheFlow is designed to dynamically adapt to the changes in access patterns that occur during the course of application execution.
  • Page 28: Power Management

    Product Features WD Green MB500M-6Gb 3.14 Power Management The drives support the ATA power management commands that lower the average power consumption of the hard drives. For example, to take advantage of the lower power consumption modes of the drive, an energy efficient host system could implement a power management scheme that issues a Standby Immediate command when a host resident disk inactivity timer expires.
  • Page 29: At Command Set

    WD Green MB500M-6Gb AT Command Set AT C OMMAND Host Interface Commands 4.1.1 ATA-7/ATA-8 Commands Table 4-1 lists the hexadecimal codes specific to each ATA-7/ATA-8 command supported by these hard drives. Refer to the D1699 ATA8-ACS specification for full details on each command. Table 4-1.
  • Page 30: Sata Commands

    AT Command Set WD Green MB500M-6Gb COMMAND HEX OPCODE STANDBY IMMEDIATE WRITE BUFFER WRITE DMA WRITE DMA EXT WRITE FPDMA QUEUED WRITE LOG EXT WRITE LOG DMA EXT WRITE MULTIPLE WRITE MULTIPLE EXT WRITE SECTOR(S) WRITE SECTOR(S) EXT WRITE UNCORRECTABLE EXT 4.1.2 SATA Commands Table 4-2 lists the hexadecimal codes specific to each SATA command supported by these hard drives.
  • Page 31: Sct Commands

    WD Green MB500M-6Gb AT Command Set 4.1.4 SCT Commands SCT commands provide capabilities not covered in ATA/ATAPI-7 for commands that do not fit the ATA command delivery model. Some SCT commands report completion when the command begins execution. Execution progress for these commands may be checked by requesting SCT status. For instance, the host can track the progress of a Write Same command by issueing a status request once per minute.
  • Page 32 AT Command Set WD Green MB500M-6Gb BYTE VALUE DESCRIPTION A fatal error or unknown test error occurred while the device was executing its self-test routine. The device was unable to complete the self-test routine. The previous self-test completed having a test element that failed.
  • Page 33: Supported Attributes

    WD Green MB500M-6Gb AT Command Set 4.2.2 Supported Attributes The drive supports the following attributes. Attribute Attribute ID Number Pre-Failure/Advisory Bit (Status Flags bit 0) Read Error Rate Pre-Failure Spin-up Time Pre-Failure Start/Stop Count Advisory Re-allocated Sector Count Pre-Failure Seek Error Rate Advisory Power-on Hours Count Advisory...
  • Page 34: Read Log Sector

    AT Command Set WD Green MB500M-6Gb 4.2.3 Read Log Sector There are several logs that can be read with the S.M.A.R.T. Read Log Sector sub-command. The LBA Low Register indicates the log sector to be returned. Table 4-6. Log Address Definition Log Name Feature Set Access...
  • Page 35: Identify Device (Ech)

    23-26 Firmware Revision (ATA String) nnnn 27-46 Model Numbers (ATA String) “WDC WD20NPVX-nnnnnnn” “WDC WD15NPVX-nnnnnnn” READ/WRITE MULTIPLE support Bit 15-8: 80h Bit 7-0: 00h: Reserved 8010h 01h-FFh = Maximum number of logical sectors that shall be transferred per DRQ data block on READ/WRITE...
  • Page 36 AT Command Set WD Green MB500M-6Gb Additional Words Valid Bit 8-15: Free-fall Control Sensitivity 00h = Vendor’s recommended setting 01h-FFh = Sensitivity level. A larger number is a 0007h more sensitive setting. Bit 7-3: Reserved Bit 2: If set, the fields reported in word 88 are valid Bit 1: If set, the fields reported in words 70-64 are valid Bit 0: Obsolete 54-58...
  • Page 37 WD Green MB500M-6Gb AT Command Set Queue Depth 001Fh Bit 15-5: Reserved Bit 4-0: Maximum queue depth - 1 Serial ATA Capabilities Bit 15: If set, Supports Read Log DMA Ext Bit 14: If set, Supports Device Automatic Partial to Slumber transitions Bit 13: If set, Supports Host Automatic Partial to Slumber transitions...
  • Page 38 AT Command Set WD Green MB500M-6Gb Command and feature sets supported Bit 14: If set, NOP command supported Bit 13: If set, Read buffer command supported Bit 12: If set, Write buffer command supported Bit 11: Obsolete Bit 10: If set, Host Protected Area Feature Set supported Bit 9: If set, Device Reset command supported Bit 8: If set, Service interrupt supported 0111 0100 0110 1011b...
  • Page 39 WD Green MB500M-6Gb AT Command Set Commands and feature sets supported or enabled Bit 15: If set, Words 119-120 are valid Bit 14: Reserved Bit 13: If set, Flush Cache EXT command supported Bit 12: If set, Flush Cache command supported Bit 11: If set, Device Configuration Overlay supported Bit 10: If set, 48-bit Address Feature Set supported Bit 9: Not supported...
  • Page 40 AT Command Set WD Green MB500M-6Gb 100-103 Total number of User Addressable Logical Sectors (QWord) WD20NPVT (3,907,029,168) WD15NPVT (2,930,277,168) Streaming Transfer Time - PIO Maximum number of 512 byte blocks per Data Set Management command Physical sector size / logical sector size Bit 15 Shall be cleared to zero Bit 14 Shall be set to one Bit 13 if set, Device has multiple logical sectors per phys-...
  • Page 41 WD Green MB500M-6Gb AT Command Set CFA power mode Bit 15: Word 160 supported Bit 14: Reserved Bit 13: CFA power mode Bit 12: CFA power mode 1 disable Bit 11-0: Maximum current in ma 161-167 Reserved for the CompactFlash™ Association Device Nominal Form Factor Bit 15-4: Reserved Bit 3-0: Device Nominal Form Factor...
  • Page 42 AT Command Set WD Green MB500M-6Gb 224-229 Reserved 230-233 Extended Number of User Addressable Sectors (Qword) Minimum number of 512-byte data blocks per DOWNLOAD 0001h MICROCODE command for mode 03h Maximum number of 512-byte data blocks per DOWNLOAD 1000h MICROCODE command for mode 03h 236-254 Reserved Integrity Word...
  • Page 43: Set Features (Efh)

    WD Green MB500M-6Gb AT Command Set Set Features (EFh) The Set Features command enables or disables the features listed in the following table FUNCTION FEATURES SECTOR COUNT REGISTER REGISTER Don’t care Enable read look-ahead Don’t care Disable read look-ahead Don’t care Enable write cache Don’t care Disable write cache...
  • Page 44: Installation And Setup Procedures

    Installation and Setup Procedures WD Green MB500M-6Gb NSTALLATION AND ETUP ROCEDURES Hard drives are precision instruments that must be handled with care to prevent damage. It is important to understand that drives are typically damaged due to electrostatic discharge (ESD), pressing on the top cover, rough handling, or shock and vibration.
  • Page 45: Moving Precautions

    WD Green MB500M-6Gb Installation and Setup Procedures 5.1.2 Inspection of Shipping Container Carefully examine the container for obvious shipping damage, such as: holes, signs of crushing, or stains. Notify the carrier and your WD representative if you observe any shipment damage. Always move the shipping container in the upright position indicated by the arrows on the container.
  • Page 46: Bare Drive Handling External Force

    Installation and Setup Procedures WD Green MB500M-6Gb Bare Drive Handling External Force To avoid damage to internal drive components, do not apply a load greater than 2.6 lbf to a circular 10 mm diameter area anywhere on the top cover. Mounting Restrictions Important: Your system must be turned off and unplugged before installing your hard drive.
  • Page 47: Grounding

    WD Green MB500M-6Gb Installation and Setup Procedures 5.3.3 Grounding For best results, mount the drive with all four screws in the side grounded to the chassis (positions A, B, C, and D below). You must ground the drive with at least one mounting screw in position A (side mounting) or position 1 (top face mounting).
  • Page 48: Jumper Settings

    Installation and Setup Procedures WD Green MB500M-6Gb Jumper Settings It is not necessary to put a jumper shunt on the drive for notebook use. Advanced settings for the drive are as follows: SSC Mode – Spread spectrum clocking feature. Default setting is disabled. RPS Mode –...
  • Page 49: Maintenance

    WD Green MB500M-6Gb Maintenance AINTENANCE The hard drive requires no preventative maintenance and contains no user-serviceable parts. The service and repair of WD drives can only be performed at a WD Service Center. Please contact your WD representative for warranty information and service/return procedures. Observe the following precautions to prolong the life of the drive: Do not attempt to open the sealed compartment of the WD drive as this will void the warranty.
  • Page 50: Technical Support

    Technical Support WD Green MB500M-6Gb ECHNICAL UPPORT NORTH AMERICA 800.ASK.4WDC (800.275.4932) US/Canada (Central Time) Monday - Thursday 8:00 am - 9:00 pm Friday - Sunday 8:00 am - 7:00 pm EUROPE Central European Time (CET) 00800.27549338 (toll-free where available) or +31.880062100 Monday - Thursday 9:00 am - 7:00 pm Friday...
  • Page 51: Glossary

    WD Green MB500M-6Gb Glossary LOSSARY Active LED Status - WD SATA drives support external LED requirements. It provides an activity LED output which is ON during command execution and OFF otherwise. Advanced Format (AF) — Technology adopted by WD and other drive manufacturers to increase media format efficiencies, thus enabling larger drive capacities.
  • Page 52 Glossary WD Green MB500M-6Gb RoHS (Restriction of Hazardous Substances) — WD hard drive products manufactured and sold worldwide after June 8, 2011, meet or exceed Restriction of Hazardous Substances (RoHS) compliance requirements as mandated by the RoHS Directive 2011/65/EU. RoHS aims to protect human health and the environment by restricting the use of certain hazardous substances in new equipment, and consists of restrictions on lead, mercury, cadmium, and other substances.
  • Page 53 WD Green MB500M-6Gb Index —I— NDEX Input Voltage Requirements, 7 Installation and Setup, 35 —A— IntelliPower, 13 Acoustics, 10, 11 Internal Environmental Protection System, 16 Active LED Status, 18 Activity indication, 18 —J— Actuator Type, 4 Jumper Settings, 39 Advanced Formatting, 1, 12, 13, 21 Jumper Settings Diagram, 39 Advanced formatting, 42 Agency Approvals, 11...
  • Page 54 Index WD Green MB500M-6Gb Specifications, 3 Electrical, 7 Environmental, 8 Mechanical, 6 Performance, 3 Physical, 4 Reliability, 10 Spindle Start Time, 3 Staggered Spinup, 18 System-on-Chip (SOC), 14 —T— Technical Support, 41 Online Services, 41 Temperature airflow, 10 cooling, 10 thermocouple location, 9 Temperature and Humidity, 9 Thermal Management, 16...
  • Page 55 For service and literature: http://support.wd.com www.wd.com 800. North America (800.275.4932) Western Digital 800.832.4778 Spanish 3355 Michelson Drive, Suite 100 +800.6008.6008 Asia Pacific Irvine, California 92612 00800.27549338 Europe (toll free where available) U.S.A. +31.880062100 Europe/Middle East/Africa 2679-771422-A00 May 2013 WD CONFIDENTIAL...

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