Western Digital Caviar Green 2 TB, WD20EARX (00PASB0)


 * See also Western Digital Green..

Model name breakout

 * WD20 - capacity: 2TB
 * E - form factor: 3.5 inch; units: TB
 * A - Business unit: Desktop, Western Digital Green
 * R - 5400 RPM with 64MB cache
 * X - SATA 3Gbps, 6Gbps capable 22-pin SATA connector
 * 00 - customer ID: 00 - generic
 * PAS - internal model number
 * B0 - revision
 * B0 - revision

Physical specs

 * 666 GByte/platter
 * 3 platters
 * 6 heads
 * 5400 RPM
 * 4K physical sectors

Firmware

 * Firmware family: Saddle G6 AKA Saddle_Back generation 6
 * Flash: 256 KB
 * max sustained read rate: 125 MByte/sec

Utility output
{{SCollapse|smartctl -a /dev/sda smartctl 6.1 2013-03-16 r3800 [x86_64-linux-3.8.5-1-ARCH] (local build) Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

START OF INFORMATION SECTION
Model Family:    Western Digital Caviar Green (AF, SATA 6Gb/s) Device Model:    WDC WD20EARX-00PASB0 Serial Number:   WD-WCAZAK297857 LU WWN Device Id: 5 0014ee 25d124d38 Firmware Version: 51.0AB51 User Capacity:   2,000,398,934,016 bytes [2.00 TB] Sector Sizes:    512 bytes logical, 4096 bytes physical Device is:       In smartctl database [for details use: -P show] ATA Version is:  ATA8-ACS (minor revision not indicated) SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is:   Sat Apr  6 13:40:52 2013 BST SMART support is: Available - device has SMART capability. SMART support is: Enabled

START OF READ SMART DATA SECTION
SMART overall-health self-assessment test result: PASSED

General SMART Values: Offline data collection status: (0x82)	Offline data collection activity was completed without error. Auto Offline Data Collection: Enabled. Self-test execution status:     ( 113)	The previous self-test completed having the read element of the test failed. Total time to complete Offline data collection: 		(40200) seconds. Offline data collection capabilities: 			 (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities:           (0x0003)	Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability:       (0x01)	Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: 	 (  2) minutes. Extended self-test routine recommended polling time: 	 ( 387) minutes. Conveyance self-test routine recommended polling time: 	 (  5) minutes. SCT capabilities: 	      (0x3035)	SCT Status supported. SCT Feature Control supported. SCT Data Table supported.

SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME         FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate    0x002f   188   187   051    Pre-fail  Always       -       1628 3 Spin_Up_Time           0x0027   169   169   021    Pre-fail  Always       -       6508 4 Start_Stop_Count       0x0032   100   100   000    Old_age   Always       -       21 5 Reallocated_Sector_Ct  0x0033   200   200   140    Pre-fail  Always       -       0 7 Seek_Error_Rate        0x002e   200   200   000    Old_age   Always       -       0 9 Power_On_Hours         0x0032   098   098   000    Old_age   Always       -       1614 10 Spin_Retry_Count       0x0032   100   253   000    Old_age   Always       -       0 11 Calibration_Retry_Count 0x0032  100   253   000    Old_age   Always       -       0 12 Power_Cycle_Count      0x0032   100   100   000    Old_age   Always       -       13 192 Power-Off_Retract_Count 0x0032  200   200   000    Old_age   Always       -       4 193 Load_Cycle_Count       0x0032   199   199   000    Old_age   Always       -       5029 194 Temperature_Celsius    0x0022   120   115   000    Old_age   Always       -       30 196 Reallocated_Event_Count 0x0032  200   200   000    Old_age   Always       -       0 197 Current_Pending_Sector 0x0032   200   200   000    Old_age   Always       -       43 198 Offline_Uncorrectable  0x0030   200   200   000    Old_age   Offline      -       38 199 UDMA_CRC_Error_Count   0x0032   200   200   000    Old_age   Always       -       0 200 Multi_Zone_Error_Rate  0x0008   200   200   000    Old_age   Offline      -       124

SMART Error Log Version: 1 No Errors Logged

SMART Self-test log structure revision number 1 Num Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
 * 1) 1  Conveyance offline  Completed: read failure       10%      1598         159375080
 * 2) 2  Extended offline    Completed: read failure       90%      1591         159375080
 * 3) 3  Short offline       Completed: read failure       10%      1591         159375080

SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS 1       0        0  Not_testing 2       0        0  Not_testing 3       0        0  Not_testing 4       0        0  Not_testing 5       0        0  Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.

Diagnostics
RAM: HDD Info reading........................ : Ok Heads number............................ : 6 Cyl Count............................... : 256 Zone allocation table................... : Ok SA SPT.................................. : 1980 ROM: ROM reading............................. : Ok ROM Data size........................... : 256 Kb ROM version............................. : 20.88E ROM generation.......................... : 20.89E Link table version...................... : 0B.3F. Consolidated ROM version................ : 00200088 ROM Modules: Flash ROM dir reading................... : Ok Flash ROM dir (ext) reading............. : Ok (Active) Modules directory address............... : 108 041 (24) SA regions address...................... : by default SA Translator loading................... : Ok Heads configuration..................... : by map Heads number............................ : 6 Heads number in use..................... : 6 Switched off heads...................... : No Heads map............................... : 0,1,2,5,6,7 ROM Firmware version.................... : 00200088 Service area: SA dir reading (ID)..................... : Ok SA Access............................... : Copy 0,Copy 1

ROM Modules -- ID : Description -- 0A : Head Map 0B : Flash ROM dir 0D : Configuration 30 : Service Area module 30 47 : Service Area module 47 4F : Firmware version 20B : Flash ROM dir (ext)

SA Regions -- N : ABA        : Size -- 0 : 0          : 380 160 1  : 506 880    : 380 160 2  : 1 013 760  : 380 160 3  : 1 520 640  : 380 160 4  : 2 027 520  : 380 160 5  : 2 534 400  : 380 160 Micro Jogs -- LH : PH  : Micro Jog (Hex/Dec) -- 0  : 0   : C80/3200 1  : 1   : CE4/3300 2  : 2   : BDC/3036 3  : 5   : CF2/3314 4  : 6   : C51/3153 5  : 7   : CB1/3249 }}

Additional external links

 * Hard disk hacking on SpritesMods (and Sprite_tm's OHM2013 talk on YouTube)