IBM IC25N040ATCS04, IC25N030ATCS04, Travelstar 60GH, IC25N020ATCS04, IC25N010ATCS04 Specifications

IBM storage products - official published specifications

IBM

Hard disk drive specifications

Travelstar 60GH & 40GN

2.5 inch ATA/IDE hard disk drive

IC25T060ATCS05Models:
IC25N040ATCS04
IC25N030ATCS04
IC25N020ATCS04
IC25N010ATCS04

Revision 3.0 22 January 2002

S07N-7681-09 Publication # 1540

IBM

Hard disk drive specifications

Travelstar 60GH & 40GN

2.5 inch ATA/IDE hard disk drive

IC25T060ATCS05Models:
IC25N040ATCS04
IC25N030ATCS04
IC25N020ATCS04
IC25N010ATCS04

Revision 3.0 22 January 2002

S07N-7681-09 Publication # 1540

1st Edition (Revision 0.1) S07N-7681-00 (19 September 2001) Preliminary
2nd Edition (Revision 0.2) S07N-7681-01 (23 October 2001) Preliminary
3rd Edition (Revision 0.3) S07N-7681-02 (25 October 2001) Preliminary
4th Edition (Revision 0.4) S07N-7681-03 (29 October 2001) Preliminary
5th Edition (Revision 0.5) S07N-7681-04 (1 November 2001) Preliminary
6th Edition (Revision 0.6) S07N-7681-05 (2 November 2001) Preliminary
7th Edition (Revision 0.7) S07N-7681-06 (5 November 2001) Preliminary
8th Edition (Revision 1.0) S07N-7681-07 (16 November 2001)
9th Edition (Revision 2.0) S07N-7681-08 (4 December 2001)
10th Edition (Revision 3.0) S07N-7681-09 (22 January 2002)

The following paragraph does not apply to the United Kingdom or any country where such provisions are
inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS

PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, IN­CLUDING, 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. IBM may make improve­ments and changes in any product or program described in this publication at any time.

It is possible that this publication may contain reference to, or information about, IBM 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 IBM intends to announce such IBM products, programming, or services in your
country.

Technical information about this product is available by contacting the local IBM representative or by using the
following:

Internet: http://www.ibm.com/harddrive
IBM 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. You can send license inquiries, in writing, to the IBM
Director of Commercial Relations, IBM Corporation, Armonk, NY 10577.

© Copyright International Business Machines Corporation 2002. All rights reserved.
Note to US Government Users—Documentation related to restricted rights—Use, duplication or disclosure is subject

to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Table of contents

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Part 1. Functional specification

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viiFigures

11.0 General

11.1 Abbreviations

31.2 References

31.3 General caution

31.4 Drive handling precautions

52.0 General features

7

93.0 Fixed disk subsystem description

93.1 Control Electronics

93.2 Head disk assembly data

114.0 Fixed disk characteristics

114.1 Formatted capacity by model number

124.2 Data sheet

124.3 Cylinder allocation by model number

144.4 Performance characteristics

144.4.1 Command overhead

154.4.2 Mechanical positioning

174.4.3 Operating modes

195.0 Data integrity

195.1 Data loss on power off

195.2 Write Cache

195.3 Equipment status

205.4 WRITE safety

205.5 Data buffer test

205.6 Error recovery

205.7 Automatic reallocation

205.7.1 Nonrecovered write errors

205.7.2 Nonrecoverable read error

205.7.3 Recovered read errors

215.8 ECC

236.0 Specification

236.1 Environment

236.1.1 Temperature and humidity

246.1.2 Radiation noise

246.1.3 Conductive noise

246.1.4 Magnetic fields

256.2 DC power requirements

266.2.1 Power consumption efficiency

266.3 Start up Current

286.4 Reliability

286.4.1 Data reliability

286.4.2 Failure prediction (S.M.A.R.T.)

286.4.3 Cable noise interference

286.4.4 Service life and usage condition

Travelstar 60GH & 40GN hard disk drive specifications

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296.4.5 Preventive maintenance

296.4.6 Load/unload

316.5 Mechanical specifications

316.5.1 Physical dimensions and weight

316.5.2 Mounting hole locations

326.5.3 Connector and jumper description

326.5.4 Mounting orientation

336.5.5 Load/unload mechanism

346.6 Vibration and shock

346.6.1 Operating vibration

356.6.2 Nonoperating vibration

356.6.3 Operating shock

366.6.4 Nonoperating shock

376.7 Acoustics

376.7.1 Sound power level

386.7.2 Discrete tone penalty

396.8 Identification labels

396.9 Electromagnetic compatibility

396.9.1 CE Mark

396.9.2 C-Tick Mark

406.10 Safety

406.10.1 UL and CSA approval

406.10.2 IEC compliance

406.10.3 German Safety Mark

406.10.4 Flammability

406.10.5 Secondary circuit protection

406.11 Packaging

417.0 Electrical interface specifications

417.1 Cabling

417.2 Interface connector

427.3 Signal definitions

447.4 Signal descriptions

477.5 Interface logic signal levels

477.6 Reset timings

487.7 PIO timings

497.8 Multiword DMA timings

507.9 Ultra DMA timings

507.9.1 Initiating Read DMA

517.9.2 Host Pausing Read DMA

527.9.3 Host Terminating Read DMA

537.9.4 Device Terminating Read DMA

547.9.5 Initiating Write DMA

557.9.6 Device Pausing Write DMA

567.9.7 Device Terminating Write DMA

577.9.8 Host Terminating Write DMA

587.10 Drive address setting

587.10.1 Drive default address setting

597.11 Addressing of HDD registers

Part 2. Interface specification

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Travelstar 60GH & 40GN hard disk drive specifications

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iv

61

638.0 General

638.1 Introduction

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638.2 Terminology

659.0 Deviations from standard

6710.0 Registers

6810.1 Alternate Status Register

6810.2 Command Register

6810.3 Cylinder High Register

6810.4 Cylinder Low Register

6910.5 Data Register

6910.6 Device Control Register

7010.7 Drive Address Register

7010.8 Device/Head Register

7110.9 Error Register

7110.10 Features Register

7110.11 Sector Count Register

7210.12 Sector Number Register

7210.13 Status Register

7311.0 General operation descriptions

7311.1 Reset response

7511.2 Register initialization

7611.3 Diagnostic and Reset considerations

7711.4 Power-off considerations

7711.4.1 Load/Unload

7711.4.2 Emergency unload

7811.4.3 Required power-off sequence

7811.5 Sector Addressing Mode

7811.5.1 Logical CHS addressing mode

7911.5.2 LBA addressing mode

8011.6 Power management features

8011.6.1 Power Mode

8011.6.2 Power management commands

8011.6.3 Standby/Sleep command completion timing

8111.6.4 Standby timer

8111.6.5 Status

8111.6.6 Interface Capability for Power Modes

8111.6.7 Initial Power Mode at Power On

8211.7 Advanced Power Management (ABLE-3) feature

8211.7.1 Performance Idle Mode

8211.7.2 Active Idle Mode

8211.7.3 Low Power Idle Mode

8211.7.4 Transition Time

8411.8 S.M.A.R.T. Function

8411.8.1 Attributes

8411.8.2 Attribute values

8411.8.3 Attribute thresholds

8411.8.4 Threshold exceeded condition

8411.8.5 S.M.A.R.T. commands

8511.8.6 S.M.A.R.T. operation with power management modes

8611.9 Security Mode Feature Set

8611.9.1 Security Mode

8611.9.2 Security level

8611.9.3 Password

8711.9.4 Master Password Revision Code

8711.9.5 Operation example

9011.9.6 Command table

Travelstar 60GH & 40GN hard disk drive specifications

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9211.10 Protected Area Function

9211.10.1 Example for operation (In LBA Mode)

9311.10.2 Set Max security extension commands

9511.11 Address Offset Feature (vendor specific)

9511.11.1 Enable/Disable Address Offset Mode

9611.11.2 Identify Device Data

9611.11.3 Exceptions in Address Offset Mode

9711.12 Seek Overlap

9811.13 Write Cache function

9811.14 Delayed Write function (vendor specific)

9811.14.1 Enable/Disable Delayed Write command

9911.15 Reassign Function

9911.15.1 Auto Reassign Function

10112.0 Command protocol

10112.1 Data In commands

10312.2 Data Out commands

10512.3 Nondata commands

10612.4 DMA Data Transfer commands

10713.0 Command descriptions

11113.1 Check Power Mode (E5h/98h)

11213.2 Device Configuration Overlay (B1h)

11213.2.1 DEVICE CONFIGURATION RESTORE (subcommand C0h)

11313.2.2 DEVICE CONFIGURATION FREEZE LOCK (subcommand C1h)

11313.2.3 DEVICE CONFIGURATION IDENTIFY (subcommand C2h)

11313.2.4 DEVICE CONFIGURATION SET (subcommand C3h)

11613.3 Enable/Disable Delayed Write (FAh: vendor specific)

11713.4 Execute Device Diagnostic (90h)

11813.5 Flush Cache (E7h)

11913.6 Format Track (50h: vendor specific)

12013.7 Format Unit (F7h: vendor specific)

12213.8 Identify Device (ECh)

13113.9 Idle (E3h/97h)

13213.10 Idle Immediate (E1h/95h)

13313.11 Initialize Device Parameters (91h)

13413.12 Read Buffer (E4h)

13513.13 Read DMA (C8h/C9h)

13713.14 Read Long (22h/23h)

13913.15 Read Multiple (C4h)

14113.16 Read Native Max ADDRESS (F8h)

14313.17 Read Sectors (20h/21h)

14513.18 Read Verify Sectors (40h/41h)

14713.19 Recalibrate (1xh)

14813.20 Security Disable Password (F6h)

14913.21 Security Erase Prepare (F3h)

15013.22 Security Erase Unit (F4h)

15213.23 Security Freeze Lock (F5h)

15313.24 Security Set Password (F1h)

15513.25 Security Unlock (F2h)

15713.26 Seek (7xh)

15813.27 Sense Condition (F0h: vendor specific)

15913.28 Set Features (EFh)

16113.29 Set Max ADDRESS (F9h)

16313.30 Set Multiple (C6h)

16413.31 Sleep (E6h/99h)

Travelstar 60GH & 40GN hard disk drive specifications

vi

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16513.32 S.M.A.R.T. Function Set (B0h)

16613.32.1 S.M.A.R.T. Function Subcommands

17013.32.2 Device Attributes Data Structure

17513.32.3 Device Attribute Thresholds data structure

17713.32.4 S.M.A.R.T. error log sector

18013.32.5 Self-test log data structure

18113.32.6 Error reporting

18213.33 Standby (E2h/96h)

18313.34 Standby Immediate (E0h/94h)

18413.35 Write Buffer (E8h)

18513.36 Write DMA (CAh/CBh)

18713.37 Write Long (32h/33h)

18913.38 Write Multiple (C5h)

19113.39 Write Sectors (30h/31h)

19313.40 Write Verify (3Ch: vendor specific)

19514.0 Time-out values

19715.0 Appendix

19715.1 Commands Support Coverage

19915.2 SET FEATURES Command Support Coverage

20015.3 Changes from Travelstar 48GH, 30GN & 15GN
201Index

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3Figure 1. Handling Precaution 1

3Figure 2. Handling Precaution 2
11Figure 3. Formatted capacity by model number.
12Figure 4. Data sheet
12Figure 5. Cylinder allocation of 60 GB model
13Figure 6. Cylinder allocation — all models except 60 GB (high TPI format)
13Figure 7. Cylinder allocation — all models except 60 GB (low TPI format)
14Figure 8. Performance characteristics
15Figure 9. Mechanical positioning performance
15Figure 10. Full stroke seek time
16Figure 11. Single track seek time
16Figure 12. Latency time
16Figure 13. Drive ready time
17Figure 14. Operating mode
17Figure 15. Drive ready time
21Figure 16. Examples of error cases.
23Figure 17. Environmental condition
23Figure 18. Limits of temperature and humidity
24Figure 19. Magnetic flux density limits
25Figure 20. DC Power requirements
26Figure 21. Power consumption efficiency
26Figure 22. Typical current wave form at start up of 60 GB model
27Figure 23. Typical current wave form at start up of 40 GB model
27Figure 24. Typical current wave form at start up of 20 GB model)
31Figure 25. Physical dimensions and weight
31Figure 26. Mounting hole locations of the 60 GB model.
32Figure 27. Mounting hole locations of all models except 60 GB model.
34Figure 28. Random vibration PSD profile breakpoints (operating)
34Figure 29. Swept sine vibration
35Figure 30. Random Vibration PSD Profile Breakpoints (nonoperating)
35Figure 31. Operating shock
36Figure 32. Nonoperating shock
37Figure 33. Weighted sound power
41Figure 34. Interface connector pin assignments
42Figure 35. Signal definition
43Figure 36. Special signal definitions for Ultra DMA
47Figure 37. System reset timings
48Figure 38. PIO cycle timings
49Figure 39. Multiword DMA cycle timings
50Figure 40. Ultra DMA cycle timings (Initiating Read)
51Figure 41. Ultra DMA cycle timings (Host Pausing Read)
52Figure 42. Ultra DMA cycle timings (Host Terminating Read)
53Figure 43. Ultra DMA cycle timings (Device Terminating Read)
54Figure 44. Ultra DMA cycle timings (Initiating Write)
55Figure 45. Ultra DMA cycle timings (Device Pausing Write)
56Figure 46. Ultra DMA cycle timings (Device Terminating Write)
57Figure 47. Ultra DMA cycle timings (Host Terminating Write)
58Figure 48. Drive address setting
59Figure 49. I/O address map

Travelstar 60GH & 40GN hard disk drive specifications

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Travelstar 60GH & 40GN hard disk drive specifications

x

67Figure 50. Register Set
68Figure 51. Alternate Status Register
69Figure 52. Device Control Register
70Figure 53. Drive Address Register
70Figure 54. Device/Head Register
71Figure 55. Error Register
72Figure 56. Status Register
74Figure 57. Reset response table
75Figure 58. Default Register Values
75Figure 59. Diagnostic Codes
76Figure 60. Reset error register values
77Figure 61. Device behavior by ATA commands.
81Figure 62. Power conditions
87Figure 63. Initial setting
88Figure 64. Usual operation for POR
89Figure 65. Password lost
90Figure 66. Command table for device lock operation (1 of 2)
91Figure 67. Command table for device lock operation (2 of 2)
93Figure 68. Set Max SET PASSWORD data content
94Figure 69. Set Max security mode transition
95Figure 70. Device address map before and after Set Feature

97Figure 71. Seek overlap
107Figure 72. Command set (1 of 2)
108Figure 73. Command set (2 of 2)
109Figure 74. Command Set (Subcommand)
111Figure 75. Check Power Mode command (E5h/98h)
112Figure 76. Check Power Mode Command (E5h/98h)
112Figure 77. Device Configuration Overlay Features register values
114Figure 78. Device Configuration Overlay Data structure
115Figure 79. DCO error information definition
116Figure 80. Enable/Disable Delayed Write command (FAh)
117Figure 81. Execute Device Diagnostic command (90h)
118Figure 82. Flush Cache command (E7h)
119Figure 83. Format Track command (50h)
120Figure 84. Format Unit command (F7h)
122Figure 85. Identify Device command (ECh)
123Figure 86. Identify device information. (Part 1 of 7)
124Figure 87. Identify device information. (Part 2 of 7)
125Figure 88. Identify device information. (Part 3 of 7)
126Figure 89. Identify device information. (Part 4 of 7)
127Figure 90. Identify device information. (Part 5 of 7)
128Figure 91. Identify device information. (Part 6 of 7)
129Figure 92. Identify device information. (Part 7 of 7)
130Figure 93. Number of cylinders/heads/sectors by model.
131Figure 94. Idle command (E3h/97h)
132Figure 95. Idle Immediate command (E1h/95h)
133Figure 96. Initialize Device Parameters command (91h)
134Figure 97. Read Buffer command (E4h)
135Figure 98. Read DMA command (C8h/C9h)
137Figure 99. Read Long command (22h/23h)
139Figure 100. Read Multiple command (C4h)
141Figure 101. Read Native Max ADDRESS (F8h)
143Figure 102. Read Sectors command (20h/21h)
145Figure 103. Read Verify Sectors command (40h/41h)

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147Figure 104. Recalibrate command (1xh)
148Figure 105. Security Disable Password command (F6h)
148Figure 106. Password Information for Security Disable Password command
149Figure 107. Security Erase Prepare command (F3h)
150Figure 108. Security Erase Unit command (F4h)
150Figure 109. Erase Unit information
152Figure 110. Security Freeze Lock command (F5h)
153Figure 111. Security Set Password command (F1h)
154Figure 112. Security Set Password information
155Figure 113. Security Unlock command (F2h)
156Figure 114. Security Unlock information
157Figure 115. Seek command (7xh)
158Figure 116. Sense Condition Command (F0h)
159Figure 117. Set Features command (EFh)
161Figure 118. Set Max ADDRESS (F9h)
163Figure 119. Set Multiple command (C6h)
164Figure 120. Sleep command (E6h/99h)
165Figure 121. S.M.A.R.T. Function Set command (B0h)
167Figure 122. Log sector addresses
170Figure 123. Device Attribute Data Structure
171Figure 124. Individual Attribute Data Structure
172Figure 125. Status Flag definitions
175Figure 126. Device Attribute Thresholds Data Structure
176Figure 127. Individual Threshold Data Structure
177Figure 128. S.M.A.R.T. error log sector
177Figure 129. Error log data structure
178Figure 130. Command data structure
179Figure 131. Error data structure
180Figure 132. Self-test log data structure
181Figure 133. S.M.A.R.T. Error Codes
182Figure 134. Standby command (E2h/96h)
183Figure 135. Standby Immediate command (E0h/94h)
184Figure 136. Write Buffer command (E8h)
185Figure 137. Write DMA command (CAh/CBh)
187Figure 138. Write Long command (32h/33h)
189Figure 139. Write Multiple command (C5h)
191Figure 140. Write Sectors command (30h/31h)
195Figure 141. Time-out values
197Figure 142. Command coverage (1 of 2)
198Figure 143. Command coverage (2 of 2)
199Figure 144. SET FEATURES command coverage

Travelstar 60GH & 40GN hard disk drive specifications

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1.0 General

This document describes the specifications of the IBM Travelstar 60GH & 40GN, a 2.5-inch hard disk
drive with ATA/IDE interface:

Rotation speed (rpm)Height (mm)Capacity (GB)Model NumberDrive name

5,40012.560IC25T060ATCS05Travelstar 60GH
4,2009.540IC25N040ATCS04Travelstar 40GN
4,2009.530IC25N030ATCS04Travelstar 40GN
4,2009.520IC25N020ATCS04Travelstar 40GN
4,2009.510IC25N010ATCS04Travelstar 40GN

Part 1 of this document beginning on page 7 defines the hardware functional specification. Part 2 of this
document beginning on page 61 defines the interface specification

These specifications are subject to change without notice.

1.1 Abbreviations

MeaningAbbreviation

32 x 1024 bytes32 KB
64 x 1024 bytes64 KB
inch"
ampA
alternating currentAC
Advanced TechnologyAT
Advanced Technology AttachmentATA
unit of sound powerBels
Basic Input/Output SystemBIOS
degrees Celsius°C
Canadian Standards AssociationCSA
Canadian-Underwriters LaboratoryC-UL
cylinderCyl
direct currentDC
Drive Fitness TestDFT
Direct Memory AccessDMA
error correction codeECC
European Economic CommunityEEC
electromagnetic compatibilityEMC
Error Recovery ProcedureERP
electrostatic dischargeESD
Federal Communications CommissionFCC
field replacement unitFRU
gravity, a unit of forceG
1 000 000 000 bitsGb
1 000 000 000 bytesGB

2

/Hz

1 000 000 000 bits per square inchGb/sq.in.
(32 ft/sec)
groundGND
hexadecimalh
hard disk driveHDD

2

per HertzG

Travelstar 60GH & 40GN hard disk drive specifications

1

us, µs

PIO

hertzHz
InputI
integrated lead suspensionILS
impedanceimped
Input/OutputI/O
International Standards OrganizationISO
1,000 bytesKB
1,000 Bit Per InchKbpi
kilogram (force)-centimeterkgf-cm
kilohertzKHz
logical block addressingLBA
unit of A-weighted sound powerLw
meterm
maximummax. or Max.
1,000,000 bytesMB
1,000,000 Bit per secondMbps
1,000,000 Bit per secondMb/sec
1,000,000 bytes per secondMB/sec
1,000 ,00 bits per square inchMb/sq.in.
megahertzMHz
Machine Level ControlMLC
millimetermm
millisecondms
microsecond
numberNo. or #
oscillations per minuteoct/min
OutputO
Open Drain Programmed Input/OutputOD

power on hoursPOH
populationPop.
part numberP/N
peak-to-peakp-p
power spectral densityPSD
radiated electromagnetic susceptibilityRES
radio frequency interferenceRFI
relative humidityRH
per cent relative humidity% RH
root mean squareRMS
revolutions per minuteRPM
resetRST
read/writeR/W
secondsec
sectors per trackSect/Trk
secondary low voltageSELV
Self-monitoring, analysis, and reporting technologyS.M.A.R.T
tracks per inchTPI
trackTrk.
transistor-transistor logicTTL
Underwriters LaboratoryUL
voltV
Verband Deutscher ElectrotechnikerVDE
wattW
transistor-transistor tristate logic3-state

Travelstar 60GH & 40GN hard disk drive specifications

2

1.2 References

ATA/ATAPI-5 (T13/1321D Revision 3)

1.3 General caution

! Do not apply force to the top cover (See figure below).

! Do not cover the breathing hole on the top cover (See figure below).

! Do not touch the interface connector pins or the surface of the printed circuit board.

! The drive can be damaged by shock or ESD (Electric Static Discharge). Any damages incurred to

the drive after removing it from the shipping package and the ESD protective bag are the responsi­bility of the user

1.4 Drive handling precautions

Do not press on the drive cover during handling.

Figure

Figure 2. Handling Precaution 2

. Handling Precaution 1

1

Travelstar 60GH & 40GN hard disk drive specifications

3

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2.0 General features

" 2.5-inch, 12.5- and 9.5-mm Height MCC

" Formatted capacities of 60 GB, 40 GB, 30

" 512 bytes/sector

Interface (Enhanced

AT

"

" Integrated controller

" No-ID recording format

" Coding : 96/104 MTR

" Multi zone recording

On-The-Fly

" Enhanced

# 40 bytes 3 way Interleaved Reed Solomon Code
# 5 bytes per interleave On-The-Fly correction

" Segmented Buffer with write cache

# 2 MB - Upper 280 KB is used for firmware

" Fast data transfer rate (up to 100 MB/s)

" Media data transfer rate (max):

# 60-GB model - 261 Mb/s
# all other models - 245 Mb/s

" Average seek time: 12 ms for read

ECC

) conforming to ATA/ATAPI-5

IDE

Compliance

GB,

20

and 10 GB

GB,

" Closed-loop actuator servo (Embedded Sector Servo)

" Rotary voice coil motor actuator

" Load/Unload mechanism

" Mechanical latch

" Adaptive power save control

# 60-GB model - 0.9 Watts at idle state
# all other models - 0.65 Watts at idle state

" Power on to ready

# 60-GB model - 5.0 sec
# all other models - 3.0 sec

" Operating shock

# 60-GB model - 150 G/2ms
# all other models - 200 G/2ms

" Nonoperating shock

# 60-GB model - 700 G/1ms
# all other models - 800 G/1ms

Travelstar 60GH & 40GN hard disk drive specifications

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Part 1. Functional specification

Travelstar 60GH & 40GN hard disk drive specifications

7

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3.0 Fixed disk subsystem description

3.1 Control Electronics

The control electronics works with the following functions:

! AT Interface Protocol

! Embedded Sector Servo

! No-ID (TM) formatting

! Multizone recording

! Code: 96/104 MTR

! ECC On-The-Fly

! Enhanced Adaptive Battery Life Extender

3.2 Head disk assembly data

The following technologies are used in the drive:

! Pico Slider

! Smooth glass disk

! GMR head

! Integrated lead suspension (ILS)

! Load/unload mechanism

! Mechanical latch

Travelstar 60GH & 40GN hard disk drive specifications

9

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4.0 Fixed disk characteristics

4.1 Formatted capacity by model number

Physical Layout

Sectors per Track
low TPI format
high TPI format

Logical Layout

Physical Layout

Sectors per Track
low TPI format
high TPI format

Logical Layout

307–556

360–672
336–648

360–672
336–648

IC25N030ATCS04IC25N040ATCS04IC25T060ATCS05Description

512512512Bytes per Sector

360–672
336–648

348Number of Heads
224Number of Disks

161616Number of Heads
636363Number of Sectors/ Track

16,38316,38316,383Number of Cylinders

58,605,12078,140,160117,210,240Number of Sectors

30,005,821,44040,007,761,92060,011,642,880Total Logical Data Bytes

IC25N010ATCS04IC25N020ATCS04Description

512512Bytes per Sector

360–672
336–648

12Number of Heads
11Number of Disks

1616Number of Heads
6363Number of Sectors/ Track

16,38316,383Number of Cylinders

19,640,88039,070,080Number of Sectors

10,056,130,56020,003,880,960Total Logical Data Bytes

Figure 3. Formatted capacity by model number.

Travelstar 60GH & 40GN hard disk drive specifications

11

4.2 Data sheet

60-GB model

146–262 Data transfer rates (buffer to/from media) (Mbps)

Data transfer rates (Mbyte/sec)
ULTRA DMA 100

459Recording density (Kbpi) (Max)

60.4Track density (Ktpi)

Figure 4. Data sheet

4.3 Cylinder allocation by model number

60-GB model

No. of Sectors/TrkCylinderZone

556 0–10230
5441024–20471
5282048–46072
5124608–69113
4996912–92154
4809216–130555
46013056–156156
44815616–174077
43217408–202238
41620224–222719
40322272–2431910
38424320–2739111
36427392–2918312
35229184–3097513
33630976–3353514
30733536–3507115

All other

models

4,2005,400Rotational Speed (RPM)

130–245
125–241

100100

528
509

63.5

66.4

3428Areal density (Gb/sq.in.- Max)

1616Number of zones

Figure 5. Cylinder allocation of 60 GB model

Travelstar 60GH & 40GN hard disk drive specifications

12

All other models - high TPI format

No. of Sectors/TrkCylinderZone

648 0–5110
640512–25591
6242560–48632
6004864–92153
5769216–115194
56011520–138235
54013824–168956
52016896–199677
50419968–215038
48021504–248319
45024832–2713510
44027136–2867111
42028672–3123112
40031232–3379113
36033792–3763114
33637632–3993515

Figure 6. Cylinder allocation — all models except 60 GB (high TPI format)

All other models - low TPI format

No. of Sectors/TrkCylinderZone

672 0–7670
660768–33271
6403328–66552
6246656–87033
6008704–122874
57612288–153595
56015360–171516
54017152–199677
52019968–220158
50422016–232959
48023296–2534310
48025344–2687911
45026880–2815912
42028160–3174313
38431744–3532714
36035328–3814315

Figure 7. Cylinder allocation — all models except 60 GB (low TPI format)

Travelstar 60GH & 40GN hard disk drive specifications

13

4.4 Performance characteristics

Drive performance is characterized by the following parameters:

! Command Overhead

! Mechanical Positioning

# Seek Time

# Latency

! Data Transfer Speed

! Buffering Operation (Look ahead/Write Cache)

Note: All the above parameters contribute to drive performance. There are other parameters which contri­bute to the performance of the actual system. This specification defines the essential characteristics of the
drive. This specification does not include the system throughput as this is dependent upon the system and
the application.

The following table gives a typical value for each parameter. The detailed descriptions are found in
section 5.0.

All other models60-GBFunction

1212Average Random Seek Time - Read (ms)

1414Average Random Seek Time - Write (ms)

42005400Rotational Speed (RPM)

3.05.0Power-on-to-ready (sec)

1.01.0Command overhead (ms)

146-261Disk-buffer data transfer (Mb/s)

Figure 8. Performance characteristics

130-245
125-241

100100Buffer-host data transfer (MB/s)

4.4.1 Command overhead

Command overhead time is defined as the interval from the time that a drive receives a command to the
time that the actuator starts its motion.

Travelstar 60GH & 40GN hard disk drive specifications

14

4.4.2 Mechanical positioning

4.4.2.1 Average seek time (including settling)

Max. (ms)Typical (ms)Command Type

1612Read
1714Write

Figure 9. Mechanical positioning performance

Typical and Max. are defined throughout the performance specification as follows:

Average of the drive population tested at nominal environmental and voltage conditions.Typical

Max.

The seek time is measured from the start of motion of the actuator to the start of a reliable read or write
operation. A reliable read or write operation implies that error correction/recovery is not employed to cor­rect arrival problems. The Average Seek Time is measured as the weighted average of all possible seek
combinations.

Weighted Average = ––––––––––––––––––––––––––––

Maximum value measured on any one drive over the full range of the environmental and
voltage conditions. (See section 6.1, "Environment" on page 23 and section 6.2, "DC power
requirements" on page 25)

max.

Σ (max. + 1 – n)(Tn

n=1

+ Tn

in

out

)

(max. + 1)(max)

Where: max. = maximum seek length
n = seek length (1-to-max.)
Tn
Tn

= inward measured seek time for an n-track seek

in

= outward measured seek time for an n-track seek

out

4.4.2.2 Full stroke seek

Max. (ms)Typical (ms)Command Type

30.023.0Read

31.024.0Write

Figure 10. Full stroke seek time

Full stroke seek time in milliseconds is the average time of 1000 full stroke seeks.

Travelstar 60GH & 40GN hard disk drive specifications

15

4.4.2.3 Single track seek time (without command overhead, including settling)

n

Maximum (ms)Typical (ms)Command Type

4.02.5Read

4.53.0Write

Figure 11. Single track seek time

Single track seek is measured as the average of one (1) single track seek from every track in both
directions (inward and outward).

4.4.2.4 Average latency

Model

Figure 12. Latency time

4.4.2.5 Drive ready time

Figure 13. Drive ready time

Ready

The condition in which the drive is able to perform a media access command
(for example—read, write) immediately.

This includes the time required for the internal self diagnostics.Power On To Ready

Rotational Speed

(RPM)

Time for one revolutio

(ms)

Average Latency

(ms)

5.511.1540060-GB model

7.114.34200All other models

Max. (sec)Typical (sec)ModelCondition

9.55.060-GB modelPower On To Ready

9.53.0All other modelsPower On To Ready

Travelstar 60GH & 40GN hard disk drive specifications

16

4.4.3 Operating modes

Operating mode Description

Spin-Up Start up time period from spindle stop or power down.

Seek Seek operation mode

Write Write operation mode

Read Read operation mode

Performance The device is capable of responding immediately to idle media access requests.

All electronic components remain powered and the full frequency servo remains
operational.

Active idle The device is capable of responding immediately to media access requests.

Some circuitry—including servo system and R/W electronics—is in power saving
mode. The head is parked near the mid-diameter the disk without servoing.
A device in Active idle mode may take longer to complete the execution of a
command because it must activate that circuitry.

Low power idle The head is unloaded onto the ramp position.

The spindle motor is rotating at full speed.

Standby The device interface is capable of accepting commands.

The spindle motor is stopped. All circuitry but the host interface is in power saving
mode.
The execution of commands is delayed until the spindle becomes ready.

Sleep The device requires a soft reset or a hard reset to be activated.

All electronics, including spindle motor and host interface, are shut off.

Figure 14. Operating mode

4.4.3.1 Mode transition time

Transition

Time (max.)

9.54.5IdleStandby60-GB model

9.52.0IdleStandby 40-GB, 30-GB models

9.51.8IdleStandby20-GB, 10-GB models

Figure 15. Drive ready time

ToFromModel

Transition
Time (typ)

4.4.3.2 Operating mode at power on

The device goes into Idle mode after power on or hard reset as an initial state. Initial state may be
changed to Standby mode using pin C on the interface connector. Refer to section 7.10 on page 58,
"Drive address setting" for details.

4.4.3.3 Adaptive power save control

The transient timing from Performance Idle mode to Active Idle mode and Active Idle mode to Low Power
Idle mode is controlled adaptively according to the access pattern of the host system. The transient
timing from Low Power Idle mode to Standby mode is also controlled adaptively, if it is allowed by Set
Features Enable Advanced Power Management subcommand.

Travelstar 60GH & 40GN hard disk drive specifications

17