IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive

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11.2 Register initialization

After a power on, a hard reset, or a software reset, the register values are initialized as shown in the table

below.

50hAlternate Status

50hStatus

A0hDevice/Head

00hCylinder High

00hCylinder Low

01hSector Number

01hSector Count

Diagnostic CodeError

Default ValueRegister

Figure 58. Default Register Values

If an Execute Device Diagnostic command is carried out, if the system is powered on, or if a hard reset oc-

curs, the system generates an Error Register diagnostic code. See the table below for a description of the

codes.

Device 1 failed8xh

Controller microprocessor error05h

ECC circuitry error04h

Sector buffer error03h

Formatter device error02h

No error detected01h

DescriptionCode

Figure 59. Diagnostic Codes

Travelstar 60GH & 40GN hard disk drive specifications

Main Page

Default Chapter1
- Hard Disk Drive Specifications1
- Table of Contents4
Figures10
1 General14
- Abbreviations14
- References16
- General Caution16
- Drive Handling Precautions16
- Figure 1. Handling Precaution16
- Figure 2. Handling Precaution16
2 General Features18
Part 1. Functional Specification20
3 Fixed Disk Subsystem Description22
- Control Electronics22
- Head Disk Assembly Data22
4 Fixed Disk Characteristics24
- Formatted Capacity by Model Number24
- Figure 3. Formatted Capacity by Model Number24
- Data Sheet25
- Cylinder Allocation by Model Number25
- Figure 4. Data Sheet25
- Figure 5. Cylinder Allocation of 60 GB Model25
- Figure 6. Cylinder Allocation - All Models Except 60 GB (High TPI Format)26
- Figure 7. Cylinder Allocation - All Models Except 60 GB (Low TPI Format)26
- Performance Characteristics27
5 Data Integrity32
- Data Loss on Power off32
- Write Cache32
- Equipment Status32
- WRITE Safety33
- Data Buffer Test33
- Error Recovery33
- Automatic Reallocation33
- Ecc34
- Figure 16. Examples of Error Cases34
6 Specification36
- Environment36
- DC Power Requirements38
  - Figure 20. DC Power Requirements38
  - Power Consumption Efficiency39
- Start up Current39
- Figure 21. Power Consumption Efficiency39
- Figure 22. Typical Current Wave Form at Start up of 60 GB Model39
- Figure 23. Typical Current Wave Form at Start up of 40 GB Model40
- Figure 24. Typical Current Wave Form at Start up of 20 GB Model)40
- Reliability41
- Mechanical Specifications44
- Vibration and Shock47
- Identification Labels52
- Electromagnetic Compatibility52
  - CE Mark52
  - C-Tick Mark52
- Safety53
- Packaging53
7 Electrical Interface Specifications54
- Cabling54
- Interface Connector54
- Figure 34. Interface Connector Pin Assignments54
- Signal Definitions55
- Figure 35. Signal Definition55
- Figure 36. Special Signal Definitions for Ultra DMA56
- Signal Descriptions57
- Interface Logic Signal Levels60
- Reset Timings60
- Figure 37. System Reset Timings60
- PIO Timings61
- Figure 38. PIO Cycle Timings61
- Multiword DMA Timings62
- Figure 39. Multiword DMA Cycle Timings62
- Ultra DMA Timings63
- Drive Address Setting71
  - Drive Default Address Setting71
  - Figure 48. Drive Address Setting71
- Addressing of HDD Registers72
- Figure 49. I/O Address Map72
Part 2. Interface Specification74
8 General76
- Introduction76
- Terminology76
9 Deviations from Standard78
10 Registers80
- Figure 50. Register Set80
- Figure 55. Error Register80
- Alternate Status Register81
- Command Register81
- Cylinder High Register81
- Cylinder Low Register81
- Figure 51. Alternate Status Register81
- Data Register82
- Device Control Register82
- Figure 52. Device Control Register82
- Drive Address Register83
- Device/Head Register83
- Figure 53. Drive Address Register83
- Figure 54. Device/Head Register83
- Error Register84
- Features Register84
- Sector Count Register84
- Sector Number Register85
- Status Register85
- Figure 56. Status Register85
11 General Operation Descriptions86
- Reset Response86
- Figure 57. Reset Response Table87
- Register Initialization88
- Figure 58. Default Register Values88
- Figure 59. Diagnostic Codes88
- Diagnostic and Reset Considerations89
- Figure 60. Reset Error Register Values89
- Power-Off Considerations90
  - Load/Unload90
  - Emergency Unload90
  - Figure 61. Device Behavior by ATA Commands90
  - Required Power-Off Sequence91
- Sector Addressing Mode91
  - Logical CHS Addressing Mode91
  - LBA Addressing Mode92
- Power Management Features93
  - Power Mode93
  - Power Management Commands93
  - Standby/Sleep Command Completion Timing93
  - Standby Timer94
  - Status94
  - Interface Capability for Power Modes94
  - Initial Power Mode at Power on94
  - Figure 62. Power Conditions94
- Advanced Power Management (ABLE-3) Feature95
  - Performance Idle Mode95
  - Active Idle Mode95
  - Low Power Idle Mode95
  - Transition Time95
- Function97
  - Attributes97
  - Attribute Values97
  - Attribute Thresholds97
  - Threshold Exceeded Condition97
  - Commands97
  - Operation with Power Management Modes98
- Security Mode Feature Set99
  - Security Mode99
  - Security Level99
  - Password99
  - Master Password Revision Code100
  - Operation Example100
  - Figure 63. Initial Setting100
  - Figure 64. Usual Operation for por101
  - Figure 65. Password Lost102
  - User Password Lost102
  - Command Table103
  - Figure 66. Command Table for Device Lock Operation (1 of 2)103
  - Figure 67. Command Table for Device Lock Operation (2 of 2)104
- Protected Area Function105
  - Example for Operation (in LBA Mode)105
  - Set Max Security Extension Commands106
  - Figure 68. Set Max SET PASSWORD Data Content106
  - Figure 69. Set Max Security Mode Transition107
- Address Offset Feature (Vendor Specific)108
  - Enable/Disable Address Offset Mode108
  - Figure 70. Device Address Map before and after Set Feature108
  - Identify Device Data109
  - Exceptions in Address Offset Mode109
- Seek Overlap110
- Figure 71. Seek Overlap110
- Write Cache Function111
- Delayed Write Function (Vendor Specific)111
  - Enable/Disable Delayed Write Command111
- Reassign Function112
  - Auto Reassign Function112
12 Command Protocol114
- Data in Commands114
- Data out Commands116
- Nondata Commands118
- DMA Data Transfer Commands119
13 Command Descriptions120
- Figure 72. Command Set (1 of 2)120
- Figure 73. Command Set (2 of 2)121
- Figure 74. Command Set (Subcommand)122
- Check Power Mode (E5H/98H)124
- Figure 75. Check Power Mode Command (E5H/98H)124
- Device Configuration Overlay (B1H)125
  - DEVICE CONFIGURATION RESTORE (Subcommand C0H)125
  - Figure 76. Check Power Mode Command (E5H/98H)125
  - Figure 77. Device Configuration Overlay Features Register Values125
  - DEVICE CONFIGURATION FREEZE LOCK (Subcommand C1H)126
  - DEVICE CONFIGURATION IDENTIFY (Subcommand C2H)126
  - DEVICE CONFIGURATION SET (Subcommand C3H)126
  - Figure 78. Device Configuration Overlay Data Structure127
  - Figure 79. DCO Error Information Definition128
- Enable/Disable Delayed Write (Fah: Vendor Specific)129
- Figure 80. Enable/Disable Delayed Write Command (Fah)129
- Execute Device Diagnostic (90H)130
- Figure 81. Execute Device Diagnostic Command (90H)130
- Flush Cache (E7H)131
- Figure 82. Flush Cache Command (E7H)131
- Format Track (50H: Vendor Specific)132
- Figure 83. Format Track Command (50H)132
- Format Unit (F7H: Vendor Specific)133
- Figure 84. Format Unit Command (F7H)133
- Identify Device (Ech)135
- Figure 85. Identify Device Command (Ech)135
- Figure 86. Identify Device Information. (Part 1 of 7)136
- Figure 87. Identify Device Information. (Part 2 of 7)137
- Figure 88. Identify Device Information. (Part 3 of 7)138
- Figure 89. Identify Device Information. (Part 4 of 7)139
- Figure 90. Identify Device Information. (Part 5 of 7)140
- Figure 91. Identify Device Information. (Part 6 of 7)141
- Figure 92. Identify Device Information. (Part 7 of 7)142
- Figure 93. Number of Cylinders/Heads/Sectors by Model143
- Idle (E3H/97H)144
- Figure 94. Idle Command (E3H/97H)144
- Idle Immediate (E1H/95H)145
- Figure 95. Idle Immediate Command (E1H/95H)145
- Initialize Device Parameters (91H)146
- Figure 96. Initialize Device Parameters Command (91H)146
- Read Buffer (E4H)147
- Figure 97. Read Buffer Command (E4H)147
- Read DMA (C8H/C9H)148
- Figure 98. Read DMA Command (C8H/C9H)148
- Read Long (22H/23H)150
- Figure 99. Read Long Command (22H/23H)150
- Read Multiple (C4H)152
- Figure 100. Read Multiple Command (C4H)152
- Read Native Max ADDRESS (F8H)154
- Figure 101. Read Native Max ADDRESS (F8H)154
- Read Sectors (20H/21H)156
- Figure 102. Read Sectors Command (20H/21H)156
- Read Verify Sectors (40H/41H)158
- Figure 103. Read Verify Sectors Command (40H/41H)158
- Recalibrate (1Xh)160
- Figure 104. Recalibrate Command (1Xh)160
- Security Disable Password (F6H)161
- Figure 105. Security Disable Password Command (F6H)161
- Figure 106. Password Information for Security Disable Password Command161
- Security Erase Prepare (F3H)162
- Figure 107. Security Erase Prepare Command (F3H)162
- Security Erase Unit (F4H)163
- Figure 108. Security Erase Unit Command (F4H)163
- Figure 109. Erase Unit Information163
- Security Freeze Lock (F5H)165
- Figure 110. Security Freeze Lock Command (F5H)165
- Security Set Password (F1H)166
- Figure 111. Security Set Password Command (F1H)166
- Figure 112. Security Set Password Information167
- Security Unlock (F2H)168
- Figure 113. Security Unlock Command (F2H)168
- Figure 114. Security Unlock Information169
- Seek (7Xh)170
- Figure 115. Seek Command (7Xh)170
- Sense Condition (F0H: Vendor Specific)171
- Figure 116. Sense Condition Command (F0H)171
- Set Features (Efh)172
- Figure 117. Set Features Command (Efh)172
- Set Max ADDRESS (F9H)174
- Figure 118. Set Max ADDRESS (F9H)174
- Set Multiple (C6H)176
- Figure 119. Set Multiple Command (C6H)176
- Sleep (E6H/99H)177
- Figure 120. Sleep Command (E6H/99H)177
- Function Set (B0H)178
  - Figure 121. S.M.A.R.T. Function Set Command (B0H)178
  - Function Subcommands179
  - Figure 122. Log Sector Addresses180
  - Device Attributes Data Structure183
  - Figure 123. Device Attribute Data Structure183
  - Figure 124. Individual Attribute Data Structure184
  - Figure 125. Status Flag Definitions185
  - Device Attribute Thresholds Data Structure188
  - Figure 126. Device Attribute Thresholds Data Structure188
  - Figure 127. Individual Threshold Data Structure189
  - Error Log Sector190
  - Figure 128. S.M.A.R.T. Error Log Sector190
  - Figure 129. Error Log Data Structure190
  - Figure 130. Command Data Structure191
  - Figure 131. Error Data Structure192
  - Figure 132. Self-Test Log Data Structure193
  - Self-Test Log Data Structure193
  - Error Reporting194
  - Figure 133. S.M.A.R.T. Error Codes194
- Standby (E2H/96H)195
- Figure 134. Standby Command (E2H/96H)195
- Standby Immediate (E0H/94H)196
- Figure 135. Standby Immediate Command (E0H/94H)196
- Write Buffer (E8H)197
- Figure 136. Write Buffer Command (E8H)197
- Write DMA (Cah/Cbh)198
- Figure 137. Write DMA Command (Cah/Cbh)198
- Write Long (32H/33H)200
- Figure 138. Write Long Command (32H/33H)200
- Write Multiple (C5H)202
- Figure 139. Write Multiple Command (C5H)202
- Write Sectors (30H/31H)204
- Figure 140. Write Sectors Command (30H/31H)204
- Write Verify (3Ch: Vendor Specific)206
14 Time-Out Values208
- Figure 141. Time-Out Values208
15 Appendix210
- Commands Support Coverage210
- Figure 142. Command Coverage (1 of 2)210
- Figure 143. Command Coverage (2 of 2)211
- SET FEATURES Command Support Coverage212
- Figure 144. SET FEATURES Command Coverage212
- Changes from Travelstar 48GH, 30GN & 15GN213
Index214

IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive - 11.2 Register Initialization

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