Western Digital WD GREEN WD15NPVX Technical Reference Manual Download

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chnical Reference Manual

WD CONFIDENTIAL

WD20NPVX

WD15NPVX

WD Green

™

MB500M-6Gb

SATA 6 Gb/s Hard Drives

Summary of Contents for WD GREEN WD15NPVX

Page 1: ...Technical Reference Manual WD CONFIDENTIAL WD20NPVX WD15NPVX WD Green MB500M 6Gb SATA 6 Gb s Hard Drives ...

Page 2: ...al 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 Western Digital 3355 Michelson Drive Suite 100 Irvine California 92612 U S A 2679 771422 A00 Document Control Number Definition 2679 771xxx Axx Px NRD Do...

Page 3: ...2679 771422 A00 RELEASED 5 2 13 WD CONFIDENTIAL WD Green MB500M 6Gb Technical Reference Manual ...

Page 4: ...RELEASED 5 2 13 WD CONFIDENTIAL 2679 771422 A00 ...

Page 5: ...pecifications 10 2 7 Agency Approvals 11 2 8 Full Model Number Specification 11 3 PRODUCT FEATURES 12 3 1 SATA 6 Gb s 13 3 2 Advanced Format AF 13 3 3 Fluid Dynamic Bearings FDB 13 3 4 IntelliPower 13 3 5 Reduced Power Spinup RPS 13 3 6 Perpendicular Magnetic Recording PMR 14 3 7 System on Chip SOC 14 3 8 S M A R T Command Transport SCT 14 3 8 1 Write Same 14 3 8 2 Read Write Long 15 3 8 3 Tempera...

Page 6: ...ands 23 4 2 S M A R T B0h 23 4 2 1 Read Attribute Values Sub Command 23 4 2 2 Supported Attributes 25 4 2 3 Read Log Sector 26 4 3 Identify Device ECh 27 4 4 Set Features EFh 34 5 INSTALLATION AND SETUP PROCEDURES 35 5 1 Unpacking 35 5 1 1 Handling Precautions 35 5 1 2 Inspection of Shipping Container 36 5 1 3 Removal From Shipping Container 36 5 1 4 Removal From Static Shielding Bag 36 5 1 5 Movi...

Page 7: ...ure 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 38 Figure 5 4 Jumper Settings for WD SATA Hard Drives 39 ...

Page 8: ... 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 23 Table 4 5 Definitions for the 512 Bytes 23 Table 4 6 Log Address Definition 26 Table 4 7 Identify Device Command 27 ...

Page 9: ...ongitudinally as has been the case in hard drive technology for decades This enables more data on a given disk than is possible with conventional longitudinal recording and provides a platform for future expansion of hard drive densities Reduced Power Spinup RPS WD s optimized start up feature specifically designed for the external hard drive and Consumer Electronics CE market Specific focus for R...

Page 10: ...management command set allowing the host to reduce the power consumption of the drive by issuing a variety of power management commands Automatic Defect Retirement If the WD SATA drive detects a defective sector while reading writing or performing offline data collection it automatically relocates the sector without end user intervention Self Monitoring Analysis and Reporting Technology S M A R T ...

Page 11: ...2 As used for storage capacity one megabyte MB one million bytes one gigabyte GB one billion bytes and one terabyte TB one trillion bytes Total accessible capacity varies depending on operating environment As used for buffer or cache one megabyte MB 1 048 576 bytes As used for transfer rate or interface megabyte per second MB s one million bytes per second and gigabit per second Gb s one billion b...

Page 12: ...ecording Method Partial DC Target Partial DC Target ECC LDPC LDPC 1 As used for storage capacity one megabyte MB one million bytes one gigabyte GB one billion bytes and one terabyte TB one trillion bytes Total accessible capacity varies depending on operating environment As used for buffer or cache one megabyte MB 1 048 576 bytes As used for transfer rate or interface megabyte per second MB s one ...

Page 13: ...NTIAL 5 2 2 1 Physical Dimensions English Metric Dimension Tolerance Dimension Tolerance Height 0 59 inches 0 58 inches Max Min 15 00 mm 14 72 mm Max 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 0 40 pounds 182 gm ...

Page 14: ...D Green MB500M 6Gb 6 RELEASED 5 2 13 WD CONFIDENTIAL 2679 771422 A00 2 3 Mechanical Specifications Figure 2 1 shows the mounting dimensions and locations of the screw holes for the drive Figure 2 1 Mounting Dimensions ...

Page 15: ...g Requirements for Serial ATA The SATA cable consists of four conductors in two differential pairs The cable may also include drain wires to be terminated to the ground pins in the SATA cable receptacle connectors See the SATA specification for cable specifications The cable s maximum length is one meter Operating Mode Current1 Power1 5 VDC Spinup max 2 1000 mA 5 00 W Read Write average 340 mA 1 7...

Page 16: ...lying a random or swept sinusoidal excitation in each linear axis one axis at a time The drive incurs no physical damage when subjected to continuous vibration not exceeding the level listed in Table 2 1 Drive Generated Vibration Drives are tested by supporting a single drive horizontally in a free free state and measuring the side to side vibration Self vibration may not exceed the level listed i...

Page 17: ...N ISTA standards 2 5 2 Temperature and Humidity 2 5 3 Thermocouple Location Figure 2 2 Drive Base Casting Thermocouple Location Temperature Humidity Operating ambient temperature1 0 C to 60 C 32 F to 140 F Max base casting temperature2 60 C 140 F Humidity 8 90 RH non condensing 29 4 C maximum wet bulb Thermal Gradient 20 C hour maximum Humidity Gradient 20 hour maximum Non operating Temperature 40...

Page 18: ...equirements 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 2 6 Reliability Specifications 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 1...

Page 19: ...ronic Apparatus CE Compliance for Europe Verified to comply with EN55022 2006 for RF Emissions and EN55024 1998 A1 2001 A2 2003 EN61000 3 2 2000 EN61000 3 3 1995 A1 2001 for Generic Immunity as applicable C Tick Compliance for Australia Verified to comply with AS NZ3548 for RF Emissions as required by the Australian Communications Authority Korean RRL Mark Registered as a Class B product with the ...

Page 20: ...educed 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 48 bit Logical Block Addressing LBA Power Management Self Monitoring Analysis and Reporting Technology S M A R T Security Mode ...

Page 21: ...ystem support for the Advanced Format host interface is available 512 Byte Emulated Device drives are backward compatible with 512 byte sector accesses WD Advanced Format hard drives may require you to run the WD Align software utility after you install your operating system or partition and format the drive as a secondary drive WD Align software aligns partitions on the Advanced Format drive to e...

Page 22: ... Chip SOC The System on Chip SOC is the foundation for WD s next generation electronics and firmware architecture The native SATA SOC lowers component count by integrating a hard disk controller high performance processor high speed execution SRAM and read channel in a 128 pin package The processor has a 5 stage pipeline which can execute instructions in a single cycle and a DSP engine for enhance...

Page 23: ...cooling trends and the maximum temperature acheived during the lifetime of the drive as well as the highest temperature achieved since the power was applied to the drive Detailed information on this capability can be found in ATA8 ACS 3 9 Reliability Features Set 3 9 1 Data Lifeguard 1 Representing WD s ongoing commitment to data protection Data Lifeguard includes features that enhance the drive s...

Page 24: ...age at its location sector test If the sector does not easily and consistently read correctly the sector is then relocated with original data 3 9 5 Unrecoverable Errors If an unrecoverable error is found during the offline scan the sector is marked Future reads from this location will continue to perform full error recovery However the next write to this location will perform a sector test to be s...

Page 25: ...or test fails 3 9 10 Error Recovery Process The drive has the following means of Error Recovery One the Fly Recovery Using LDPC s internal recovery mechanism with Global and Local Iteration for Error Recovery and Correction This recovery is real time and does not require any additional re reads for the correction Simple Firmware Assist Recovery Single variable re reads involving off track recoveri...

Page 26: ...ation SATA Power Pin 11 SATA device power connector pin 11 is defined as a means by the host to DISABLE staggered spinup and it may also be used by the device to provide the host with an activity indication According to the SATA II specs Staggered Spin up Disable and Activity Signal shall not be enabled at the same time 3 12 1 Staggered Spinup When multiple disks are installed in an enclosure it i...

Page 27: ...eFlow is designed to improve both single and multi sector write performance by reducing delays caused by seek time and rotational latency The write cache adaptively detects random and sequential access patterns during application execution If a defective sector is found during a write cache operation that sector is automatically relocated before the write occurs 3 13 2 Read Cache CacheFlow impleme...

Page 28: ...in the reserved area of the disk The drive also stores a set of attribute thresholds that correspond to the calculated attribute values Each attribute threshold indicates the point at which its corresponding attribute value achieves a negative reliability status 3 16 Security Mode The Security Mode feature set allows the user to create a device lock password that prevents unauthorized hard drive a...

Page 29: ...MICROCODE 92 EXECUTE DEVICE DIAGNOSTIC 90 FLUSH CACHE E7 FLUSH CACHE EXT EA IDENTIFY DEVICE EC IDLE E3 IDLE IMMEDIATE E1 NOP 00 READ BUFFER E4 READ DMA C8 READ DMA EXT 25 READ FPDMA QUEUED 60 READ LOG EXT 2F READ LOG DMA EXT 47 READ MULTIPLE C4 READ MULTIPLE EXT 29 READ NATIVE MAX ADDRESS F8 READ NATIVE MAX ADDRESS EXT 27 READ SECTOR S 20 READ SECTORS S EXT 24 READ VERIFY SECTOR S EXT 42 READ VERI...

Page 30: ... 4 3 lists the hexadecimal codes specific to each obsolete command supported by these hard drives Table 4 3 Obsolete Command Opcodes STANDBY IMMEDIATE E0 WRITE BUFFER E8 WRITE DMA CA WRITE DMA EXT 35 WRITE FPDMA QUEUED 61 WRITE LOG EXT 3F WRITE LOG DMA EXT 57 WRITE MULTIPLE C5 WRITE MULTIPLE EXT 39 WRITE SECTOR S 30 WRITE SECTOR S EXT 34 WRITE UNCORRECTABLE EXT 45 COMMAND SUBFUNCTION DOWNLOAD MICR...

Page 31: ...t are selectable via the Features Register when the host issues the S M A R T command To select a sub command the host must write the appropriate sub command code to the Features Register before issuing the S M A R T command The sub commands and their respective codes are listed below For more detailed information on executing S M A R T commands please see the ATA specification 4 2 1 Read Attribut...

Page 32: ...Fh Self test routine in progress 364 365 XX Total time in seconds to complete offline data collection activity 366 XX Reserved 367 7Bh Offline data collection capability Bits are as follows 0 1 Offline Immediate Command supported 1 1 Auto Offline enable disable command supported 2 0 Offline will suspend on and will resume after host command 3 1 Offline read scan implemented 4 1 DST Short and Exten...

Page 33: ...Attribute ID Number Pre Failure Advisory Bit Status Flags bit 0 1 Read Error Rate 1 Pre Failure Spin up Time 3 Pre Failure Start Stop Count 4 Advisory Re allocated Sector Count 5 Pre Failure Seek Error Rate 7 Advisory Power on Hours Count 9 Advisory Spin up Retry Count 10 Advisory Drive Calibration Retry Count 11 Advisory Drive Power Cycle Count 12 Advisory Emergency Retract Cycles 192 Advisory Lo...

Page 34: ...MART self test log ExtLog RO GPL 08h Reserved Reserved Reserved 09H Selective self test log SMART R W SL 0Ah 0Fh Reserved N A Reserved 10h NCQ Command Error NCQ RO GPL 11h SATA PHY Counters ExtLog RO GPL 12h 17h Reserved for Serial ATA N A Reserved 18h 1Fh Reserved N A Reserved 20h Obsolete 21h Write Stream Error Log Streaming RO GPL 22h Read Stream Error Log Streaming RO GPL 23h Obsolete 24h 7Fh ...

Page 35: ...ber of logical sectors that shall be transferred per DRQ data block on READ WRITE MULTIPLE commands 8010h 48 Trusted Computing feature set options Bit 15 Shall be cleared to zero Bit 14 Shall be set to one Bit 13 1 Reserved for the Trusted Computing Group Bit 0 If set Trusted Computing feature set is supported 4000h 49 Capabilities Bit 15 14 Reserved for the IDENTIFY PACKET DEVICE command Bit 13 I...

Page 36: ...A mode 2 Bit 1 If set Multiword DMA mode 1 Bit 0 If set Multiword DMA mode 0 XX07h 64 Advanced PIO Modes Supported Bits 0 7 PIO Modes supported 0003h 65 Min Multi Word DMA Transfer Cycle Time ns Bit 15 0 Cycle time in nanoseconds 120 66 Manufacturer Recommended Multi Word DMA Cycle Time Bit 15 0 Cycle time in nanoseconds 120 67 Min PIO Transfer Cycle Time without flow control Bit 15 0 Cycle time i...

Page 37: ...t Supports NCQ Streaming Bit 3 1 Coded value indicating negotiated Serial ATA signal Speed Bit 0 Shall be cleared to zero 000Xh 78 Serial ATA Features Supported Bit 15 8 Reserved for Serial ATA Bit 7 If set device supports NCQ Autosense Bit 6 If set device supports software settings preservation Bit 5 Reserved for Serial ATA Bit 4 If set device supports in order data delivery Bit 3 If set device s...

Page 38: ... set CFA feature set supported Bit 1 If set Read Write DMA Queued supported Bit 0 If set Download Microcode command supported 0111 1101 0110 1001b 7D69h 84 Command and feature sets supported Bit 15 Shall be cleared to zero Bit 14 Shall be set to one Bit 13 If set Idle Immediate with Unload Feature supported Bit 12 Reserved Bit 11 Reserved Bit 9 10 Obsolete Bit 8 If set 64 bit World wide name suppo...

Page 39: ...nd Write Multiple FUA EXT commands supported Bit 5 If set General Purpose Logging Feature Set supported Bit 4 Obsolete Bit 3 If set Media Card Pass Through Command feature set supported Bit 2 If set Media serial number is valid Bit 1 If set SMART Self Test supported Bit 0 If set SMART Error Logging supported 0110 0001 0010 0011b 6123h 88 Ultra DMA modes Bit 15 Reserved Bit 14 If set Ultra DMA Mode...

Page 40: ...eature set is supported Bit 4 If set DOWNLOAD MICROCODE with offsets is supported Bit 3 If set READ and WRITE DMA EXT GPL optional commands are supported Bit 2 If set WRITE UNCORRECTABLE EXT supported Bit 1 If set Write Read Verify feature set is supported Bit 0 Reserved for DDT 0100 0000 0001 1000b 4018h 120 Commands and feature sets supported Continued from words 85 87 Bit 15 Cleared to zero Bit...

Page 41: ...hall be cleared to zero Bit 14 Shall be set to one Bits 13 0 Logical sector offset within the first physical sector where the first logical sector is placed 4000h 210 211 Write Read Verify Sector Count Mode 3 0 212 213 Write Read Verify Sector Count Mode 2 0 214 NV Cache Capabilities Bit 15 12 NV Cache feature set version Bit 11 8 NV Cache Power Mode feature set version Bit 7 5 Reserved Bit 4 If s...

Page 42: ...xtended Number of User Addressable Sectors Qword 0 234 Minimum number of 512 byte data blocks per DOWNLOAD MICROCODE command for mode 03h 0001h 235 Maximum number of 512 byte data blocks per DOWNLOAD MICROCODE command for mode 03h 1000h 236 254 Reserved 0 255 Integrity Word Bit 15 8 Checksum Bit 7 0 Signature XXA5h ...

Page 43: ...ial ATA Feature 10h 02h DMA Setup FIS Auto Activate optimization 03h Device initiated interface power state transitions 06h Software Settings Preservation Disable use of Serial ATA Feature 90h 02h DMA Setup FIS Auto Activate optimization 03h Device initiated interface power state transitions 06h Software Settings Preservation Enable the PUIS feature set1 06h Don t care Disablethe PUIS feature set1...

Page 44: ...e and void the warranty Hard drives are typically damaged because of ESD rough handling or shock and vibration Figure 5 1 Drive Handling Precautions To avoid ESD problems wear a properly grounded wrist strap when handling the hard drive Articles of clothing generate static electricity Do not allow clothing to come in direct contact with the hard drive or circuit board components When the drive is ...

Page 45: ...Before removing the drive from its static shielding bag Make sure that your work station is properly grounded Wear a properly grounded wrist strap with good skin contact Avoid contact with any component on the printed circuit board Figure 5 2 Hard Drive Removal From Static Shielding Bag After attaching your wrist strap gently remove the drive from the static shielding bag Handle the drive by the s...

Page 46: ... four screws grounded to the chassis If all four screws are not used see Grounding on page 39 5 3 2 Screw Type and Screw Length Limitations The hard drive should be mounted to the chassis using four M3 screws Recommended screw torque is 5 in lb Maximum screw torque is 6 in lb CAUTION Screws that are too long can damage the hard drive Hard drive screw penetration can differ between products dependi...

Page 47: ...in a chassis or system the chassis or system should never contact the cross hatched area E to prevent electrical shorting of the PCBA or drive Contact should be limited to the side mounting A B C and D or top facing mounting 1 2 3 and 4 Figure 5 3 Grounding Diagram Side Mounting Use four metal screws in A B C and D If less than four screws are used remove in this order C D and then B You must use ...

Page 48: ... 4 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 RPS feature Default setting is disabled Figure 5 4 Jumper Settings for WD SATA Hard Drives ...

Page 49: ...ill void the warranty Do not lift a WD drive by the printed circuit board Avoid static discharge when handling a WD drive Avoid harsh shocks or vibrations Do not touch the components on the printed circuit board Do not obstruct or cover any holes on the drive s cover Air must be able to pass through these holes to the external air filter for normal operation of the drive Observe the environmental ...

Page 50: ...e variety of technical support services on our Internet site at http support wd com NORTH AMERICA US Canada Central Time 800 ASK 4WDC 800 275 4932 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 9 00 am 5 00 pm ...

Page 51: ... require assistance from the drive s firmware Error Correction Code ECC A mathematical algorithm that can detect and correct errors in a data field by adding check bits to the original data F I T Functional Integrity Testing A suite of tests WD performs on all its drive products to ensure compatibility with different hosts operating systems application programs and peripherals This testing must be...

Page 52: ...K byte packet of data Seek Time The time it takes for the read write head to move to a specific block of data on the hard drive The average seek time is computed by dividing the time it takes to complete a large number of random seeks by the number of seeks performed Self Monitoring Analysis and Reporting Technology S M A R T A technology to assist the user in preventing possible system down time ...

Page 53: ...entify Drive 27 S M A R T 23 Set Features 34 Hot Plug Support 17 I Input Voltage Requirements 7 Installation and Setup 35 IntelliPower 13 Internal Environmental Protection System 16 J Jumper Settings 39 Jumper Settings Diagram 39 L Latency 3 LED active status 18 activity indication 18 Load unload cycles 3 Logical Block Addressing 48 bit 19 M Maintenance 40 Model number specification 11 Mounting Re...

Page 54: ... 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 Thermocouple location 9 U Unpacking Container Inspection 36 Drive Removal Container 36 Drive Removal Static Shielding Bag 36 Handling Precautions 35 Moving Precautions 36 User Sectors per Drive 4 V Vibration 8 W Write ...

Page 55: ...May 2013 800 ASK 4WDC North America 800 275 4932 800 832 4778 Spanish 800 6008 6008 Asia Pacific 00800 27549338 Europe toll free where available 31 880062100 Europe Middle East Africa Western Digital 3355 Michelson Drive Suite 100 Irvine California 92612 U S A WD CONFIDENTIAL ...

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