Hitachi Deskstar 7K80 User manual

Hard Disk Drive Specification
Deskstar 7K80
3.5 inch Ultra ATA/133 hard disk drive
Models: HDS728040PLAT20
HDS728080PLAT20
Version 1.6 12 September 2006

Hard Disk Drive Specification
Deskstar 7K80
3.5 inch Ultra ATA/133 hard disk drive
Models: HDS728040PLAT20
HDS728080PLAT20
Version 1.6 12 September 2006

1st Edition (Revision 1.3) (22 September 2005) Revised
2nd Edition (Revision 1.4)(16 December 2005) Revised
3rd Edition (Revision 1.5)(05 May 2006) Revised
4th Edition (Revision 1.6)(12 September 2006) Final
The following paragraph does not apply to the United Kingdom or any country where such provisions are
inconsistent with local law: HITACHI GLOBAL STORAGE TECHNOLOGIES PROVIDES THIS PUBLI-
CATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUD-
ING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer or express or implied warranties in
certain transactions, therefore, this statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in new editions of the publication. Hitachi may make
improvements or changes in any products or programs described in this publication at any time.
It is possible that this publication may contain reference to, or information about, Hitachi products (machines and
programs), programming, or services that are not announced in your country. Such references or information must not
be construed to mean that Hitachi intends to announce such Hitachi products, programming, or services in your coun-
try.
Technical information about this product is available by contacting your local Hitachi Global Storage Technologies
representative or on the Internet at
http://www.hitachigst.com
Hitachi Global Storage Technologies may have patents or pending patent applications covering subject matter in this
document. The furnishing of this document does not give you any license to these patents. ©Copyright Hitachi Glo-
bal Storage Technologies
Note to U.S. Government Users - Documentation related subject to restricted rights - Use, duplication or disclosure is
subject to restrictions set forth in GSA ADP Schedule Contract with Hitachi Global Storage Technologies Inc.

Deskstar 7K80 Hard Disk Drive Specification
1
Table Of Contents
1.0 General................................................................................................................11
1.1 Introduction..............................................................................................11
1.2 References................................................................................................11
1.3 Abbreviations...........................................................................................11
1.4 Caution.....................................................................................................13
2.0 General features of the drive ............................................................................15
3.0 Fixed-disk subsystem description.....................................................................19
3.1 Control electronics...................................................................................19
3.2 Head disk assembly ................................................................................19
3.3 Actuator ...................................................................................................19
4.0 Drive characteristics..........................................................................................21
4.1 Default logical drive parameters..............................................................21
4.2 Data sheet.................................................................................................22
4.3 World Wide Name Assignment...............................................................22
4.4 Drive organization ...................................................................................22
4.4.1 Drive format....................................................................................22
4.4.2 Cylinder allocation..........................................................................23
4.5 Performance characteristics.....................................................................24
4.5.1 Command overhead........................................................................24
4.5.2 Mechanical positioning...................................................................24
4.5.3 Drive ready time .............................................................................26
4.5.4 Data transfer speed..........................................................................27
4.5.5 Throughput......................................................................................28
4.5.6 Operating modes.............................................................................29
5.0 Defect flagging strategy.....................................................................................31
6.0 Electrical interface specification.......................................................................33
6.1 Connector location...................................................................................33
6.1.1 DC power connector.......................................................................33
6.1.2 AT signal connector........................................................................33
6.2 Signal definitions.....................................................................................34
6.3 Signal descriptions...................................................................................35
6.4 Interface logic signal levels .....................................................................38
6.5 Reset timings............................................................................................38
6.6 PIO timings..............................................................................................39
6.6.1 Write DRQ interval time.................................................................39

Deskstar 7K80 Hard Disk Drive Specification
2
6.6.2 Read DRQ interval time .................................................................39
6.7 Multi-word DMA timings........................................................................41
6.8 Ultra DMA timings..................................................................................42
6.8.1 Initiating Read DMA ......................................................................42
6.8.2 Host Pausing Read DMA................................................................43
6.8.3 Host Terminating Read DMA.........................................................44
6.8.4 Device Terminating Read DMA.....................................................45
6.8.5 Initiating Write DMA .....................................................................46
6.8.6 Device Pausing Write DMA...........................................................47
6.8.7 Device Terminating Write DMA....................................................48
6.8.8 Host Terminating Write DMA........................................................49
6.9 Addressing of registers ............................................................................50
6.9.1 Cabling............................................................................................50
7.0 Specification .......................................................................................................53
7.1 Jumper settings ........................................................................................53
7.1.1 Jumper pin location.........................................................................53
7.1.2 Jumper pin identification ................................................................53
7.1.3 Jumper pin assignment....................................................................54
7.1.4 Jumper positions .............................................................................54
7.2 Environment.............................................................................................58
7.2.1 Temperature and humidity..............................................................58
7.2.2 Corrosion test..................................................................................59
7.3 DC power requirements...........................................................................59
7.3.1 Input voltage ...................................................................................59
7.3.2 Power supply current (typical)........................................................60
7.3.3 Power supply generated ripple at drive power connector...............60
7.4 Reliability.................................................................................................61
7.4.1 Data integrity ..................................................................................61
7.4.2 Cable noise interference..................................................................61
7.4.3 Start/stop cycles..............................................................................61
7.4.4 Preventive maintenance..................................................................61
7.4.5 Data reliability ................................................................................61
7.4.6 Required power-off sequence.........................................................61
7.5 Mechanical specifications........................................................................62
7.5.1 Physical dimensions and weight.....................................................62
7.5.2 Mounting hole locations .................................................................63
7.5.3 Connector locations ........................................................................63
7.5.4 Drive mounting...............................................................................64
7.5.5 Heads unload and actuator lock......................................................64
7.6 Vibration and shock.................................................................................65
7.6.1 Operating vibration.........................................................................65
7.6.2 Nonoperating vibration...................................................................65
7.6.3 Operating shock..............................................................................66
7.6.4 Nonoperating shock........................................................................66
7.6.5 Nonoperating rotational shock........................................................67

Deskstar 7K80 Hard Disk Drive Specification
3
7.7 Acoustics..................................................................................................68
7.8 Identification labels..................................................................................68
7.9 Safety .......................................................................................................69
7.9.1 UL and CSA approval.....................................................................69
7.9.2 German safety mark........................................................................69
7.9.3 Flammability...................................................................................69
7.9.4 Safe handling ..................................................................................69
7.9.5 Environment....................................................................................69
7.9.6 Secondary circuit protection...........................................................69
7.10 Electromagnetic compatibility...............................................................70
7.10.1 C-TICK mark................................................................................70
7.10.2 BSMI mark ...................................................................................70
7.11 Packaging...............................................................................................70
8.0 General................................................................................................................71
8.1 Introduction..............................................................................................71
8.2 Terminology.............................................................................................71
8.3 Deviations from standard.........................................................................71
9.0 Registers..............................................................................................................73
9.1 Register set...............................................................................................73
9.2 Alternate Status Register .........................................................................74
9.3 Command Register ..................................................................................74
9.4 Cylinder High Register............................................................................74
9.5 Cylinder Low Register.............................................................................74
9.6 Data Register............................................................................................75
9.7 Device Control Register..........................................................................75
9.8 Drive Address Register............................................................................76
9.9 Device/Head Register ..............................................................................76
9.10 Error Register.........................................................................................77
9.11 Features Register....................................................................................77
9.12 Sector Count Register............................................................................77
9.13 Sector Number Register.........................................................................78
9.14 Status Register .......................................................................................78
10.0 General operation............................................................................................81
10.1 Reset response........................................................................................81
10.2 Register initialization.............................................................................82
10.3 Diagnostic and Reset considerations .....................................................83
10.4 Sector Addressing Mode........................................................................84
10.4.1 Logical CHS addressing mode .....................................................84
10.4.2 LBA addressing mode ..................................................................84
10.5 Power management features..................................................................85
10.5.1 Power mode ..................................................................................85
10.5.2 Power management commands ....................................................85

Deskstar 7K80 Hard Disk Drive Specification
4
10.5.3 Standby timer................................................................................85
10.5.4 Interface capability for power modes ...........................................86
10.6 S.M.A.R.T. Function .............................................................................87
10.6.1 Attributes ......................................................................................87
10.6.2 Attribute values.............................................................................87
10.6.3 Attribute thresholds.......................................................................87
10.6.4 Threshold exceeded condition ......................................................87
10.6.5 S.M.A.R.T. commands .................................................................87
10.6.6 Off-line read scanning ..................................................................87
10.6.7 Error log........................................................................................88
10.6.8 Self-test.........................................................................................88
10.7 Security Mode Feature Set.....................................................................89
10.7.1 Security mode ...............................................................................89
10.7.2 Security level ................................................................................89
10.7.3 Passwords......................................................................................90
10.7.4 Operation example........................................................................90
10.7.5 Command table.............................................................................94
10.8 Host Protected Area Feature..................................................................96
10.8.1 Example for operation (In LBA Mode)........................................96
10.8.2 Security extensions .......................................................................97
10.9 Seek overlap...........................................................................................98
10.10 Write cache function............................................................................99
10.11 Reassign function.................................................................................100
10.11.1 Auto Reassign function...............................................................100
10.12 Power-Up in Standby feature set .........................................................101
10.13 Advanced Power Management feature set (APM) ..............................102
10.14 Automatic Acoustic Management feature set (AAM).........................103
10.15 Address Offset Feature ........................................................................104
10.15.1 Enable/Disable Address Offset Mode.........................................104
10.15.2 Identify Device Data...................................................................105
10.15.3 Exceptions in Address Offset Mode..........................................105
10.16 48-bit Address Feature Set...................................................................106
10.17 Streaming feature Set...........................................................................106
10.17.1 Streaming commands..................................................................107
10.17.2 Urgent bit....................................................................................107
10.17.3 Flush to Disk bit..........................................................................107
10.17.4 Not Sequential bit .......................................................................108
10.17.5 Read Continuous bit....................................................................108
10.17.6 Write Continuous bit...................................................................108
10.17.7 Handle Streaming Error bit.........................................................108
10.17.8 Streaming Logs...........................................................................108
11.0 Command protocol ..........................................................................................109
11.1 PIO Data In commands..........................................................................109
11.2 PIO Data Out Commands ......................................................................110
11.3 Non-data commands .............................................................................112

Deskstar 7K80 Hard Disk Drive Specification
5
11.4 DMA commands....................................................................................113
12.0 Command descriptions....................................................................................115
12.1 Check Power Mode (E5h/98h) ..............................................................120
12.2 Configure Stream (51h) .........................................................................121
12.3 Device Configuration Overlay (B1h) ....................................................123
12.3.1 DEVICE CONFIGURATION RESTORE (Subcommand C0h).123
12.3.2 DEVICE CONFIGURATION FREEZE LOCK (subcommand C1h)123
12.3.3 DEVICE CONFIGURATION IDENTIFY (subcommand C2h).124
12.3.4 DEVICE CONFIGURATION SET (subcommand C3h).............124
12.4 Download Microcode (92h)...................................................................127
12.5 Execute Device Diagnostic (90h) ..........................................................129
12.6 Flush Cache (E7h) .................................................................................130
12.7 Flush Cache Ext (EAh)..........................................................................131
12.8 Format Track (50h)................................................................................132
12.9 Format Unit (F7h)..................................................................................134
12.10 Identify Device (ECh)..........................................................................135
12.11 Idle (E3h/97h).....................................................................................143
12.12 Idle Immediate (E1h/95h)....................................................................144
12.13 Initialize Device Parameters (91h) ......................................................145
12.14 Read Buffer (E4h)................................................................................146
12.15 Read DMA (C8h/C9h).........................................................................147
12.16 Read DMA Ext (25h)...........................................................................149
12.17 Read Log Ext (2Fh) .............................................................................151
12.17.1 General Purpose Log Directory..................................................153
12.17.2 Extended Comprehensive SMART Error Log............................154
12.17.3 Extended Self-test log sector ......................................................156
12.17.4 Read Stream Error Log...............................................................157
12.17.5 Write Stream Error Log..............................................................158
12.17.6 Streaming Performance Log.......................................................159
12.18 Read Long (22h/23h)...........................................................................161
12.19 Read Multiple (C4h)............................................................................163
12.20 Read Multiple Ext (29h) ......................................................................164
12.21 Read Native Max ADDRESS (F8h)....................................................166
12.22 Read Native Max Address Ext (27h)...................................................167
12.23 Read Sectors (20h/21h)........................................................................168
12.24 Read Sector(s) Ext (24h)......................................................................170
12.25 Read Stream DMA (2Ah)....................................................................172
12.26 Read Stream PIO (2Bh).......................................................................176
12.27 Read Verify Sectors (40h/41h) ............................................................179
12.28 Read Verify Sectors Ext (42h).............................................................181
12.29 Recalibrate (1xh)..................................................................................183
12.30 Security Disable Password (F6h).........................................................184
12.31 Security Erase Prepare.........................................................................185
12.32 Security Erase Unit (F4h) ....................................................................186
12.33 Security Freeze Lock (F5h) .................................................................188

Deskstar 7K80 Hard Disk Drive Specification
6
12.34 Security Set Password (F1h)................................................................189
12.35 Security Unlock (F2h) .........................................................................191
12.36 Seek (7xh)...........................................................................................193
12.37 Set Features (EFh) ...............................................................................194
12.37.1 Set Transfer mode.......................................................................195
12.37.2 Write Cache ................................................................................195
12.37.3 Advanced Power Management...................................................195
12.37.4 Automatic Acoustic Management ..............................................197
12.38 Set Max ADDRESS (F9h)...................................................................198
12.38.1 Set Max Set Password (Feature=01h).........................................200
12.38.2 Set Max Lock (Feature=02h)......................................................201
12.38.3 Set Max Unlock (Feature = 03h) ................................................202
12.38.4 Set Max Freeze Lock (Feature = 04h) ........................................203
12.39 Set Max Address Ext (37h)..................................................................204
12.40 Set Multiple (C6h) ...............................................................................206
12.41 Sleep (E6h/99h) ...................................................................................207
12.42 S.M.A.R.T. Function Set (B0h)...........................................................208
12.42.1 S.M.A.R.T. Function Subcommands.........................................209
12.42.2 Device Attribute Data Structure .................................................213
12.42.3 Device Attribute Thresholds data structure ................................216
12.42.4 S.M.A.R.T. Log Directory..........................................................218
12.42.5 S.M.A.R.T. summary error log sector ........................................218
12.42.6 Self-test log data structure .........................................................220
12.42.7 Error reporting ............................................................................221
12.43 Standby (E2h/96h)...............................................................................222
12.44 Standby Immediate (E0h/94h).............................................................224
12.45 Write Buffer (E8h)...............................................................................225
12.46 Write DMA (CAh/CBh) ......................................................................226
12.47 Write DMA Ext (35h)..........................................................................228
12.48 Write Log Ext (3Fh) ............................................................................230
12.49 Write Long (32h/33h)..........................................................................231
12.50 Write Multiple (C5h) ...........................................................................233
12.51 Write Multiple Ext (39h) .....................................................................235
12.52 Write Sectors (30h/31h).......................................................................237
12.53 Write Sectors Ext.................................................................................239
12.54 Write Stream DMA (3Ah)...................................................................241
12.55 Write Stream PIO (3Bh) ......................................................................243
13.0 Timings .............................................................................................................247

Deskstar 7K80 Hard Disk Drive Specifacation
7
List of Tables
Table 1.Formatted capacities.....................................................................................21
Table 2.Mechanical positioning performance ...........................................................22
Table 3.Word Wide Name Assignment.....................................................................22
Table 4.Cylinder allocation........................................................................................23
Table 5.Command overhead......................................................................................24
Table 6.Mechanical positioning performance ...........................................................24
Table 7.Full stroke seek time.....................................................................................25
Table 8.Head switch time ..........................................................................................25
Table 9.Single track seek time...................................................................................26
Table 10.Latency Time..............................................................................................26
Table 11.Drive ready time .........................................................................................26
Table 12.Data transfer speed .....................................................................................27
Table 13.Simple Sequential Access performance......................................................28
Table 14.Random Access Performance.....................................................................28
Table 15.Description of operating modes..................................................................29
Table 16.Mode transition times .................................................................................29
Table 17.PATA Plist physical format........................................................................31
Table 18.Signal definitions........................................................................................34
Table 19.Special signal definitions for Ultra DMA...................................................35
Table 20.System reset timing chart............................................................................38
Table 21.System reset timing.....................................................................................38
Table 22.PIO cycle timings chart ..............................................................................39
Table 23.Multiword DMA cycle timing chart...........................................................41
Table 24.Multiword DMA cycle timings ..................................................................41
Table 25.Ultra DMA cycle timings (Initiating Read)................................................42
Table 26.Ultra DMA cycle timing chart (Host pausing Read)..................................43
Table 27.Ultra DMA cycle timings (Host pausing Read) .........................................43
Table 28.Ultra DMA cycle timing chart (Host pausing Read)..................................44
Table 29.Ultra DMA cycle timings (Host pausing Read) .........................................44
Table 30.Ultra DMA cycle timing chart (Host pausing Read)..................................45
Table 31.Ultra DMA cycle timings (Device Terminating Read) ..............................45
Table 32.Ultra DMA cycle timing chart (Initiating Write) .......................................46
Table 33.Ultra DMA cycle timing chart (Device Pausing Write).............................47
Table 34.Ultra DMA cycle timings (Device Pausing Write).....................................47
Table 35.Ultra DMA cycle timing chart (Device Terminating Write)......................48
Table 36.Ultra DMA cycle timings (Device TerminatingWrite)...............................48
Table 37.Ultra DMA cycle timing chart (Host Terminating Write)..........................49
Table 38.Ultra DMA cycle timings (Host Terminating Write) .................................49
Table 39.I/O address map..........................................................................................50
Table 40.Jumper positions for capacity clip to 32GB ...............................................56
Table 41.Jumper settings for Disabling Auto Spin....................................................56

Deskstar 7K80 Hard Disk Drive Specifacation
8
Table 42.Temperature and humidity..........................................................................58
Table 43.Limits of temperature and humidity ...........................................................59
Table 44.Input voltage...............................................................................................59
Table 45.Power supply current of 80GB and 40GB models .....................................60
Table 46.Power supply generated ripple at drive power connector...........................60
Table 47.Random vibration PSD...............................................................................65
Table 48.Random vibration PSD profile break points (operating)............................65
Table 49.Random Vibration PSD profile breakpoints (nonoperating)......................65
Table 50.Sinusoidal shock wave................................................................................67
Table 51.Rotational shock .......................................................................................67
Table 52.Sound power levels.....................................................................................68
Table 53.Register Set.................................................................................................73
Table 54.Alternate Status Register ............................................................................74
Table 55.Device Control Register .............................................................................75
Table 56.Drive Address Register...............................................................................76
Table 57.Device Head/Register.................................................................................76
Table 58.Error Register..............................................................................................77
Table 59.Status Register ............................................................................................78
Table 60.Reset response table....................................................................................81
Table 61.Default Register Values..............................................................................82
Table 62.Diagnostic codes.........................................................................................82
Table 63.Reset error register values ..........................................................................83
Table 64.Power conditions ........................................................................................86
Table 65.Initial setting...............................................................................................91
Table 66.Usual operation for POR ............................................................................92
Table 67.Password lost ..............................................................................................93
Table 68.Seek overlap................................................................................................98
Table 69.Device address map before and after Set Feature.......................................104
Table 70.Command Set..............................................................................................115
Table 71.Command Set (subcommand).....................................................................118
Table 72.Check Power Mode command (E5h/98h)...................................................120
Table 73.Configure Stream (51h)..............................................................................121
Table 74.Check Power Mode Command (E5h/98h)..................................................123
Table 75.Device Configuration Overlay Features register values.............................123
Table 76.Device Configuration Overlay Data structure............................................125
Table 77.DCO error information definition...............................................................126
Table 78.Downlad Microcode Command (92h)........................................................127
Table 79.Execute Device Diagnostic command (90h) ..............................................129
Table 80.Flush Cache command (E7h)......................................................................130
Table 81.Flush Cache Ext Command (EAh) .............................................................131
Table 82.Format Track command (50h)....................................................................132
Table 83.Format Unit command (F7h)......................................................................134
Table 84.Identify Device command (ECh)................................................................135
Table 85.Identify device information (Part 1 of 7)....................................................136
Table 86.Identify device information (Part 2 of 7)...................................................137
Table 87.Identify device information (Part 3 of 7)....................................................138

Deskstar 7K80 Hard Disk Drive Specifacation
9
Table 88.Identify device information (Part 4 of 7)....................................................139
Table 89.Identify device information (Part 5 of 7)....................................................140
Table 90.Identify device information (Part 6 of 7)....................................................141
Table 91.Identify device information (Part 7 of 7)....................................................142
Table 92.Idle command (E3h/97h)............................................................................143
Table 93.Idle Immediate command (E1h/95h)..........................................................144
Table 94.Initialize Device Parameters command (91h).............................................145
Table 95.Read Buffer (E4h).......................................................................................146
Table 96.Read DMA command (C8h/C9h)...............................................................147
Table 97.Read DMA Ext Command (25h)................................................................149
Table 98.Read Log Ext Command (2Fh)...................................................................151
Table 99.Log Address Definition ..............................................................................152
Table 100.General Purpose Log Directory................................................................153
Table 101.Extended Comprehensive SMART Error Log .........................................154
Table 102.Extended Error log data structure.............................................................154
Table 103.Command data structure...........................................................................155
Table 104.Error data structure ...................................................................................155
Table 105.Read Stream Error Log.............................................................................157
Table 106.Stream Error Log entry.............................................................................158
Table 107.Write Stream Error Log............................................................................159
Table 108.Streaming Performance Parameters log....................................................160
Table 109.Sector Time Array Entry (Linearly Interpolated).....................................160
Table 110.Access Time Array Entry (Linearly Interpolated)....................................160
Table 111.Read Long (22h/23h)................................................................................161
Table 112.Read Multiple (C4h).................................................................................163
Table 113.Read DMA Ext Command (25h)..............................................................164
Table 114.Read Native Max ADDRESS (F8h).........................................................166
Table 115.Read Native Max Address Ext command (27h).......................................167
Table 116.Read Sectors Command (20h/21h)...........................................................168
Table 117.Read Sector(s) Ext command (24h).........................................................170
Table 118.Read Stream DMA Command (2Ah) .......................................................172
Table 119.Read Stream PIO (2Bh)............................................................................176
Table 120.Read Verify Sectors (40h/41h).................................................................179
Table 121.Read Verify Sectors Ext command (42h).................................................181
Table 122.Recalibrate (1xh) ......................................................................................183
Table 123.Security Disable Password (F6h)..............................................................184
Table 124.Password Information for Security Disable Password command.............184
Table 125.Security Disable Password (F3h)..............................................................185
Table 126.Security Erase Unit (F4h).........................................................................186
Table 127.Erase Unit information .............................................................................186
Table 128.Security Freeze Lock command (F5h) .....................................................188
Table 129.Security Set Password command (F1h)....................................................189
Table 130.Security Set Password Information ..........................................................189
Table 131.Security Unlock command (F2h)..............................................................191
Table 132.Seek command (7xh)................................................................................193
Table 133.Set Features command (EFh)....................................................................194

Deskstar 7K80 Hard Disk Drive Specifacation
10
Table 134.Set Max ADDRESS command (F9h).......................................................198
Table 135.Set Max Set Password command..............................................................200
Table 136.Set Max Set Password data contents ........................................................200
Table 137.Set Max Lock command...........................................................................201
Table 138.Set Max Unlock command (F9h) .............................................................202
Table 139.Set Max Freeze Lock (F9h)......................................................................203
Table 140.Set Max Address Ext command (37h)......................................................204
Table 141.Set Multiple command (C6h) ...................................................................206
Table 142.Sleep command (E6h/99h) .......................................................................207
Table 143.S.M.A.R.T. Function Set command (B0h)...............................................208
Table 144.Device Attribute Data Structure ...............................................................213
Table 145.Individual Attribute Data Structure ..........................................................213
Table 146.Device Attribute Thresholds Data Structure.............................................217
Table 147.Individual Threshold Data Structure ........................................................217
Table 148.S.M.A.R.T. Log Directory........................................................................218
Table 149.S.M.A.R.T. summary error log sector ....................................................218
Table 150.Error log data structure............................................................................219
Table 151.Command data structure...........................................................................219
Table 152.Error data structure ...................................................................................219
Table 153.Self-test log data structure ........................................................................220
Table 154.S.M.A.R.T. Error Codes...........................................................................221
Table 155.Standby (E2h/96h)....................................................................................222
Table 156.Standby Immediate (E0h/94h)..................................................................224
Table 157.Write Buffer (E8h)....................................................................................225
Table 158.Write DMA (CAh/CBh) ...........................................................................226
Table 159.Write DMA Ext Command (35h)............................................................228
Table 160.Write Log Ext Command (3Fh)...............................................................230
Table 161.Write Long (32h/33h)...............................................................................231
Table 162.Write Multiple (C5h)................................................................................233
Table 163.WriteMultiple Ext Command (39h)..........................................................235
Table 164.Write Sectors command (30h/31h)...........................................................237
Table 165.Write Sectors Ext......................................................................................239
Table 166.Write Stream DMA Command (3Ah) ......................................................241
Table 167.Write Stream PIO Command (3Bh) .........................................................243

Deskstar 7K80 Hard Disk Drive Specification
11
1.0 General
1.1 Introduction
This document describes the specifications of the Deskstar 7K80, a 3.5-inch hard disk drive with ATA interface and
a rotational speed of 7200 RPM.
For Serial ATA function specification, please refer to ’Serial ATA function - Addendum.’
These specifications are subject to change without notice.
1.2 References
• Information Technology - AT Attachment with Packet Interface-7.
1.3 Abbreviations
Abbreviation Meaning
AAmpere
AC alternating current
AT Advanced Technology
ATA Advanced Technology Attachment
BIOS Basic Input/Output System
C Celsius
CSA Canadian Standards Association
C-UL Canadian-Underwriters Laboratory
Cyl cylinder
DC Direct Current
DFT Drive Fitness Test
DMA Direct Memory Access
ECC error correction code
EEC European Economic Community
EMC electromagnetic compatibility
ERP Error Recovery Procedure
ESD Electrostatic Discharge
FCC Federal Communications Commission
FRU field replacement unit
G gravity (a unit of force)
G
2
/Hz (32 ft/sec)
2
per Hertz
Gb 1,000,000,000 bits
GB 1,000,000,000 bytes
HDS728040PLAT20 41.1GB
HDS728080PLAT20 82.3GB

Deskstar 7K80 Hard Disk Drive Specification
12
GND ground
h hexadecimal
HDD hard disk drive
Hz Hertz
I Input
ILS integrated lead suspension
I/O Input/Output
ISO International Standards Organization
KB 1,000 bytes
Kbpi 1000 bits per inch
kgf-cm kilogram (force)-centimeter
KHz kilohertz
LBA logical block addressing
Lw unit of A-weighted sound power
mmeter
max maximum
MB 1,000,000 bytes
Mbps 1,000,000 bits per second
MHz megahertz
MLC Machine Level Control
mm millimeter
ms millisecond
us, ms microsecond
OOutput
OD Open Drain Programmed Input/Output
POH power on hours
Pop population
P/N part number
p-p peak-to-peak
PSD power spectral density
RES radiated electromagnetic susceptibility
RFI radio frequency interference
RH relative humidity
RMS root mean square
RPM revolutions per minute
RST reset
R/W read/write
sec second
SELV secondary low voltage
S.M.A.R.TSelf-Monitoring, Analysis, and Reporting Technology
TPI tracks per inch
Trk track
TTL transistor-transistor logic

Deskstar 7K80 Hard Disk Drive Specification
13
UL Underwriters Laboratory
Vvolt
VDE Verband Deutscher Electrotechniker
Wwatt
3-state transistor-transistor tristate logic
1.4 Caution
• Do not apply force to the top cover.
• Do not cover the breathing hole on the top cover.
• Do not touch the interface connector pins or the surface of the printed circuit board
• This drive can be damaged by electrostatic discharge (ESD). Any damages incurred to the drive after its
removal from the shipping package and the ESD protective bag are the responsibility of the user.

Deskstar 7K80 Hard Disk Drive Specification
14

Deskstar 7K80 Hard Disk Drive specification
15
2.0 General features of the drive
• Formatted capacities of 40 GB and 80 GB
• Spindle speeds of 7200 RPM
• Fluid Dynamic Bearing motor
• Enhanced IDE interface
• Sector format of 512 bytes/sector
• Closed-loop actuator servo
• Load/Unload mechanism, non head disk contact start/stop
• Automatic Actuator lock
• Interleave factor 1:1
• Seek time of 8.8 ms in Read Operation. 8.5 ms typical without Command Overhead
• Sector Buffer size of 2048 K (Upper 270 KB is used for firmware)
• Ring buffer implementation
• Write Cache
• Advanced ECC On The Fly (EOF)
• Automatic Error Recovery procedures for read and write commands
• Self Diagnostics on Power on and resident diagnostics
• PIO Data Transfer Mode 4 (16.6 MB/s)
• DMA Data Transfer
• Multiword mode Mode 2 (16.6 MB/s)
• Ultra DMA Mode 6 (133 MB/s)
• CHS and LBA mode
• Power saving modes/Low RPM idle mode (APM)
• S.M.A.R.T. (Self Monitoring and Analysis Reporting Technology)
• Support security feature
• Quiet Seek mode (AAM)
• 48-bit addressing feature
• Adaptive BPI
• ATA-7 compliant
• UDMA 133 support
• Streaming feature set support
• World Wide Name
Note: For serial ATA model, please refer "Serial ATA Function Specification - Addendum."

Deskstar 7K80 Hard Disk Drive Specification
16