Western Digital Blue WD20SPZX Technical Reference Manual page 6

3.6.8 Automatic Defect Retirement ............................................................................................... 29
3.6.9 Error Recovery Process.......................................................................................................... 29
3.7 Hot Plug Support............................................................................................................................ 29
3.8 Active LED Status ........................................................................................................................... 30
3.9 Fluid Dynamic Bearings (FDB) ....................................................................................................... 30
3.10 Staggered Spinup and Activity Indication (SATA Power Pin 11) ................................................ 30
3.10.1 Staggered Spinup ................................................................................................................. 30
3.10.2 Activity Indication.................................................................................................................. 31
3.11 CacheFlow™.................................................................................................................................... 31
3.11.1 Write Cache............................................................................................................................. 31
3.11.2 Read Cache ............................................................................................................................ 32
3.11.3 48-bit Logical Block Addressing (LBA) ................................................................................ 32
3.12 Power Management ....................................................................................................................... 32
3.13 Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) ........................................... 32
3.14 Security Mode..................................................................................................................................33
3.14.1 Master and User Passwords...................................................................................................33
3.14.2 Security Levels .......................................................................................................................33
4. ATA C S
OMMAND ET
4.1 Host Interface Commands............................................................................................................. 34
4.1.1 ACS4 Commands ..................................................................................................................... 34
4.1.2 Download MicroCode -92h .................................................................................................... 35
4.1.3 Obsolete Commands.............................................................................................................. 35
4.1.4 SCT Commands....................................................................................................................... 36
4.2 S.M.A.R.T. (B0h) .............................................................................................................................. 36
4.2.1 Read Attribute Values Sub-Command .................................................................................. 36
4.2.2 Supported Attributes............................................................................................................. 38
4.2.3 Read Log Sector..................................................................................................................... 39
4.3 Identify Device (ECh) ..................................................................................................................... 40
4.4 Set Features (EFh) .......................................................................................................................... 55
5. I
NSTALLATION AND
5.1 Unpacking ....................................................................................................................................... 56
5.1.1 Handling Precautions .............................................................................................................. 56
5.1.2 Inspection of Shipping Container...........................................................................................57
5.1.3 Removal From Shipping Container ........................................................................................57
5.1.4 Removal From Static Shielding Bag .......................................................................................57
5.1.5 Moving Precautions ................................................................................................................ 58
5.2 Bare Drive Handling External Force .............................................................................................. 58
5.3 Mounting Restrictions .................................................................................................................... 58
5.3.1 Orientation............................................................................................................................... 58
5.3.2 Screw Type and Screw Length Limitations ......................................................................... 58
5.3.3 Grounding ............................................................................................................................... 59
5.4 Jumper Settings .............................................................................................................................. 60
6. M ................................................................................................................ 61
AINTENANCE
7. T S
ECHNICAL UPPORT
7.1 WD Online Services........................................................................................................................ 62
Table of Contents
....................................................................................................... 34
S P ........................................................................... 56
ETUP ROCEDURES
...................................................................................................... 62
WESTERN DIGITAL CONFIDENTIAL
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