IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive

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7.8

Multiword DMA timings

The Multiword DMA timings meet Mode 2 of the ATA-3 description.

WRITE DD(15:0)

READ DD(15:0)

DMACK-

DMARQ

DIOR-/DIOW-

tLR/tLW

tKR/tKW

25–DMACK- to read data releasedtZ

35–DIOR- to DMARQ delay / DIOW- to DMARQ delaytLR/tLW

–25DIOR- negated pulse width / DIOW- negated pulse

width

tKR/tKW

–5DIOR-/DIOW- to DMACK- holdtJ

–0DMACK- to DIOR-/DIOW- setuptI

–10DIOW- data holdtH

–20DIOR-/DIOW- data setuptG

–5DIOR- data holdtF

50–DIOR- data accesstE

–70DIOR-/DIOW- asserted pulse widthtD

–120Cycle timet0

MAX (ns)MIN (ns)PARAMETER DESCRIPTION

Figure 39. Multiword DMA cycle timings

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 - 7.8 Multiword DMA Timings

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