Hitachi Deskstar 7K250 User manual

Hard Disk Drive Specification
Deskstar 7K250
3.5 inch Ultra ATA/100 hard disk drive
Models: HDS722525VLAT80
HDS722516VLAT80
HDS722516VLAT20
HDS722512VLAT80
HDS722512VLAT20
HDS722580VLAT20
HDS722540VLAT20
Version 1.5 12 December 2005

Hard Disk Drive Specification
Deskstar 7K250
3.5 inch Ultra ATA/100 hard disk drive
Models: HDS722525VLAT80
HDS722516VLAT80
HDS722516VLAT20
HDS722512VLAT80
HDS722512VLAT20
HDS722580VLAT20
HDS722540VLAT20
Version 1.5 12 December 2005

1st Edition (Revision 0.1) Sxxx-xxxx-01 (1 April 2003) Preliminary
2nd Edition (Revision 0.2) Sxxx-xxxx-01 (5 June 2003) Revision
3rd Edition (Revision 0.3) Sxxx-xxxx-03 (8 July 2003) Revision
4th Edition (Revision 1.0) Sxxx-xxxx-10 (14 July 2003) Revision
5th Edition (Revision 1.1) Sxxx-xxxx-11 (13 August 2003) Revision
6th Edition (Revision 1.2) (09 February 2004) Revision
7th Edition (Revision 1.3) (24 June2004) Revision
8th Edition (Revision 1.4) (21 September 2005) Revision
9th Edition (Revision 1.5) (12 December 2005) Final
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Table Of Contents
1.0 General................................................................................................................1
1.1 Introduction..............................................................................................1
1.2 References................................................................................................1
1.3 Abbreviations...........................................................................................1
1.4 Caution.....................................................................................................3
2.0 General features of the drive ............................................................................5
3.0 Fixed-disk subsystem description.....................................................................9
3.1 Control electronics...................................................................................9
3.2 Head disk assembly ................................................................................9
3.3 Actuator ...................................................................................................9
4.0 Drive characteristics..........................................................................................11
4.1 Default logical drive parameters..............................................................11
4.2 Data sheet.................................................................................................12
4.3 Drive organization ...................................................................................13
4.3.1 Drive format....................................................................................13
4.3.2 Cylinder allocation..........................................................................13
4.4 Performance characteristics.....................................................................15
4.4.1 Command overhead........................................................................15
4.4.2 Mechanical positioning...................................................................15
4.4.3 Drive ready time .............................................................................17
4.4.4 Data transfer speed..........................................................................18
4.4.5 Throughput......................................................................................19
4.4.6 Operating modes.............................................................................20
5.0 Defect flagging strategy.....................................................................................21
6.0 Specification .......................................................................................................23
6.1 Jumper settings ........................................................................................23
6.1.1 Jumper pin location.........................................................................23
6.1.2 Jumper pin identification ................................................................23
6.1.3 Jumper pin assignment....................................................................24
6.1.4 Jumper positions .............................................................................24
6.2 Environment.............................................................................................28
6.2.1 Temperature and humidity..............................................................28
6.2.2 Corrosion test..................................................................................29
6.3 DC power requirements...........................................................................29
6.3.1 Input voltage ...................................................................................29

6.3.2 Power supply current (typical)........................................................29
6.3.3 Power supply generated ripple at drive power connector...............31
6.4 Reliability.................................................................................................32
6.4.1 Data integrity ..................................................................................32
6.4.2 Cable noise interference..................................................................32
6.4.3 Start/stop cycles..............................................................................32
6.4.4 Preventive maintenance..................................................................32
6.4.5 Data reliability ................................................................................32
6.4.6 Required power-off sequence.........................................................32
6.5 Mechanical specifications........................................................................33
6.5.1 Physical dimensions and weight.....................................................33
6.5.2 Mounting hole locations .................................................................34
6.5.3 Connector locations ........................................................................35
6.5.4 Drive mounting...............................................................................35
6.5.5 Heads unload and actuator lock......................................................35
6.6 Vibration and shock.................................................................................36
6.6.1 Operating vibration.........................................................................36
6.6.2 Nonoperating vibration...................................................................36
6.6.3 Operating shock..............................................................................37
6.6.4 Nonoperating shock........................................................................37
6.6.5 Nonoperating rotational shock........................................................38
6.7 Acoustics..................................................................................................39
6.8 Identification labels..................................................................................39
6.9 Safety .......................................................................................................40
6.9.1 UL and CSA approval.....................................................................40
6.9.2 German safety mark........................................................................40
6.9.3 Flammability...................................................................................40
6.9.4 Safe handling ..................................................................................40
6.9.5 Environment....................................................................................40
6.9.6 Secondary circuit protection...........................................................40
6.10 Electromagnetic compatibility...............................................................41
6.10.1 CE mark........................................................................................41
6.10.2 C-TICK mark................................................................................41
6.10.3 BSMI mark ...................................................................................41
6.11 Packaging...............................................................................................41
7.0 Electrical interface specification.......................................................................43
7.1 Connector location...................................................................................43
7.1.1 DC power connector.......................................................................43
7.1.2 AT signal connector........................................................................43
7.2 Signal definitions.....................................................................................44
7.3 Signal descriptions...................................................................................45
7.4 Interface logic signal levels .....................................................................48
7.5 Reset timings............................................................................................48
7.6 PIO timings..............................................................................................49
7.6.1 Write DRQ interval time.................................................................49

7.6.2 Read DRQ interval time .................................................................50
7.7 Multi word DMA timings........................................................................51
7.8 Ultra DMA timings..................................................................................52
7.8.1 Initiating Read DMA ......................................................................52
7.8.2 Host Pausing Read DMA................................................................53
7.8.3 Host Terminating Read DMA.........................................................54
7.8.4 Device Terminating Read DMA.....................................................55
7.8.5 Initiating Write DMA .....................................................................56
7.8.6 Device Pausing Write DMA...........................................................57
7.8.7 Device Terminating Write DMA....................................................58
7.8.8 Host Terminating Write DMA........................................................59
7.9 Addressing of registers ............................................................................60
7.9.1 Cabling............................................................................................60
8.0 General................................................................................................................63
8.1 Introduction..............................................................................................63
8.2 Terminology.............................................................................................63
8.3 Deviations from standard.........................................................................63
9.0 Registers..............................................................................................................65
9.1 Register set...............................................................................................65
9.2 Alternate Status Register .........................................................................66
9.3 Command Register ..................................................................................66
9.4 Cylinder High Register............................................................................66
9.5 Cylinder Low Register.............................................................................66
9.6 Data Register............................................................................................67
9.7 Device Control Register..........................................................................67
9.8 Drive Address Register............................................................................68
9.9 Device/Head Register ..............................................................................68
9.10 Error Register.........................................................................................69
9.11 Features Register....................................................................................69
9.12 Sector Count Register............................................................................69
9.13 Sector Number Register.........................................................................70
9.14 Status Register .......................................................................................70
10.0 General operation............................................................................................73
10.1 Reset response........................................................................................73
10.2 Register initialization.............................................................................74
10.3 Diagnostic and Reset considerations .....................................................75
10.4 Sector Addressing Mode........................................................................76
10.4.1 Logical CHS addressing mode .....................................................76
10.4.2 LBA addressing mode ..................................................................76
10.5 Overlapped and queued feature .............................................................76
10.6 Power management features..................................................................78
10.6.1 Power mode ..................................................................................78

10.6.2 Power management commands ....................................................78
10.6.3 Standby timer................................................................................78
10.6.4 Interface capability for power modes ...........................................79
10.7 S.M.A.R.T. Function .............................................................................80
10.7.1 Attributes ......................................................................................80
10.7.2 Attribute values.............................................................................80
10.7.3 Attribute thresholds.......................................................................80
10.7.4 Threshold exceeded condition ......................................................80
10.7.5 S.M.A.R.T. commands .................................................................80
10.7.6 Off-line read scanning ..................................................................80
10.7.7 Error log........................................................................................81
10.7.8 Self-test.........................................................................................81
10.8 Security Mode Feature Set.....................................................................82
10.8.1 Security mode ...............................................................................82
10.8.2 Security level ................................................................................82
10.8.3 Passwords......................................................................................83
10.8.4 Operation example........................................................................83
10.8.5 Command table.............................................................................86
10.9 Host Protected Area Feature..................................................................87
10.9.1 Example for operation (In LBA Mode)........................................87
10.9.2 Security extensions .......................................................................88
10.10 Seek overlap.........................................................................................89
10.11 Write cache function............................................................................90
10.12 Reassign function.................................................................................91
10.12.1 Auto Reassign function...............................................................91
10.13 Power-Up in Standby feature set .........................................................92
10.14 Advanced Power Management feature set (APM) ..............................93
10.15 Automatic Acoustic Management feature set (AAM).........................94
10.16 Address Offset Feature ........................................................................95
10.16.1 Enable/Disable Address Offset Mode.........................................95
10.16.2 Identify Device Data...................................................................96
10.16.3 Exceptions in Address Offset Mode..........................................96
10.17 48-bit Address Feature Set...................................................................97
11.0 Command protocol ..........................................................................................99
11.1 PIO Data In commands..........................................................................99
11.2 PIO Data Out Commands ......................................................................100
11.3 Non-data commands .............................................................................102
11.4 DMA commands....................................................................................103
11.5 DMA queued commands .......................................................................104
12.0 Command descriptions....................................................................................105
12.1 Check Power Mode (E5h/98h) ..............................................................109
12.2 Device Configuration Overlay (B1h) ....................................................110
12.2.1 DEVICE CONFIGURATION RESTORE..................................110

12.2.2 DEVICE CONFIGURATION FREEZE LOCK (subcommand C1h)110
12.2.3 DEVICE CONFIGURATION IDENTIFY (subcommand C2h).111
12.2.4 DEVICE CONFIGURATION SET (subcommand C3h).............111
12.3 Execute Device Diagnostic (90h) ..........................................................114
12.4 Flush Cache (E7h) .................................................................................115
12.5 Flush Cache Ext (EAh)..........................................................................116
12.6 Format Track (50h)................................................................................117
12.7 Format Unit (F7h)..................................................................................118
12.8 Identify Device (ECh)............................................................................119
12.9 Idle (E3h/97h).......................................................................................127
12.10 Idle Immediate (E1h/95h)....................................................................128
12.11 Initialize Device Parameters (91h) ......................................................129
12.12 NOP (00h)............................................................................................130
12.13 Read Buffer (E4h)................................................................................131
12.14 Read DMA (C8h/C9h).........................................................................132
12.15 Read DMA Ext (25h)...........................................................................134
12.16 Read DMA Queued (C7h)...................................................................136
12.17 Read DMA Queued Ext (26h) .............................................................138
12.18 Read Log Ext (2Fh) .............................................................................140
12.18.1 General Purpose Log Directory..................................................141
12.18.2 Extended Comprehensive SMART Error Log............................142
12.18.3 Extended Self-test log sector ......................................................144
12.19 Read Long (22h/23h)...........................................................................146
12.20 Read Multiple (C4h)............................................................................148
12.21 Read Multiple Ext (29h) ......................................................................150
12.22 Read Native Max ADDRESS (F8h)....................................................152
12.23 Read Native Max Address Ext (27h)...................................................153
12.24 Read Sectors (20h/21h)........................................................................154
12.25 Read Sector(s) Ext (24h)......................................................................156
12.26 Read Verify Sectors (40h/41h) ............................................................158
12.27 Read Verify Sector(s) (42h).................................................................160
12.28 Recalibrate (1xh)..................................................................................162
12.29 Security Disable Password (F6h).........................................................163
12.30 Security Disable Password (F3h).........................................................164
12.31 Security Erase Unit (F4h) ....................................................................165
12.32 Security Freeze Lock (F5h) .................................................................167
12.33 Security Set Password (F1h)................................................................168
12.34 Security Unlock (F2h) .........................................................................170
12.35 Seek (7xh)...........................................................................................171
12.36 Service (A2h ........................................................................................)172
12.37 Set Features (EFh) ...............................................................................173
12.37.1 Set Transfer mode.......................................................................174
12.37.2 Write Cache ................................................................................174
12.37.3 Advanced Power Management...................................................174
12.37.4 Automatic Acoustic Management ..............................................175
12.38 Set Max ADDRESS (F9h)...................................................................176

12.38.1 Set Max Set Password (Feature=01h).........................................178
12.38.2 Set Max Lock (Feature=02h)......................................................179
12.38.3 Set Max Unlock (Feature = 03h) ................................................180
12.38.4 Set Max Freeze Lock (Feature = 04h) ........................................181
12.39 Set Max Address Ext (37h)..................................................................182
12.40 Set Multiple (C9h) ...............................................................................184
12.41 Sleep (E6h/99h) ...................................................................................185
12.42 S.M.A.R.T. Function Set (B0h)...........................................................186
12.42.1 S.M.A.R.T. Function Subcommands.........................................186
12.42.2 Device Attribute Data Structure .................................................190
12.42.3 Device Attribute Thresholds data structure ................................193
12.42.4 S.M.A.R.T. Log Directory..........................................................195
12.42.5 S.M.A.R.T. summary error log sector ........................................195
12.42.6 Self-test log data structure .........................................................197
12.42.7 Error reporting ............................................................................198
12.43 Standby (E2h/96h)...............................................................................199
12.44 Standby Immediate (E0h/94h).............................................................200
12.45 Write Buffer (E8h)...............................................................................201
12.46 Write DMA (CAh/CBh) ......................................................................202
12.47 Write DMA Ext (35h)..........................................................................204
12.48 Write DMA Queued (CAh/CBh).........................................................206
12.49 Write DMA Queued Ext (36h) ............................................................208
12.50 Write Log Ext (3Fh) ............................................................................210
12.51 Write Long (32h/33h)..........................................................................211
12.52 Write Multiple (C5h) ...........................................................................213
12.53 Write Multiple Ext (39h) .....................................................................215
12.54 Write Sectors (30h/31h).......................................................................217
12.55 Write Sector(s) (34h) ...........................................................................219
13.0 Time-out values................................................................................................221