IBM IC35L020 - Deskstar 20 GB Hard Drive Manuals

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IBM IC35L020 - Deskstar 20 GB Hard Drive Specifications

IBM IC35L020 - Deskstar 20 GB Hard Drive Specifications (209 pages)

Hard Drive Specifications

Brand: IBM | Category: Storage | Size: 0.6 MB

Table of Contents

Hard Disk Drive Specifications
1
Table of Contents
5
List of Figures

11
1 General

15
- Glossary
  15
- General Caution
  15
- References
  15
2 General Features

17
Part 1. Functional Specification

19
3 Fixed Disk Subsystem Description

21
- Control Electronics
  21
- Head Disk Assembly
  21
- Actuator
  21
4 Fixed Disk Characteristics

23
- Formatted Capacity
  23
- Data Sheet
  23
- Figure 1. Formatted Capacity
  23
- Figure 2. Mechanical Positioning Performance
  23
- Performance Characteristics
  24
  - Command Overhead
    24
  - Mechanical Positioning
    24
  - Figure 3. Command Overhead
    24
  - Figure 4. Mechanical Positioning Performance
    24
  - Figure 5. Full Stroke Seek Time
    25
  - Figure 6. Head Switch Time
    25
  - Figure 7. Cylinder Switch Time
    25
  - Drive Ready Time
    26
  - Figure 8. Single Track Seek Time
    26
  - Figure 9. Latency Time
    26
  - Figure 10. Drive Ready Time
    26
  - Average Latency
    26
  - Data Transfer Speed-60 GB Model
    27
  - Buffering Operation (Look Ahead/Write Cache)
    27
  - Throughput
    27
  - Figure 11. Data Transfer Speed
    27
  - Figure 12. Simple Sequential Access Performance
    27
  - Simple Sequential Access
    27
  - Figure 13. Random Access Performance
    28
  - Operating Modes
    29
  - Mode Transition Times
    29
  - Figure 14. Operating Modes
    29
  - Figure 15. Mode Transition Times
    29
5 Defect Flagging Strategy

31
6 Data Integrity

33
- Data Loss at Power off
  33
- Write Cache
  33
- Equipment Status
  33
7 File Organization

35
- File Format
  35
- Cylinder Allocation
  35
- Figure 17. Cylinder Allocation
  35
8 Defect Flagging Strategy

37
9 Specification

39
Part 2. Interface Specification

75
10 General

77
- Introduction
  77
- Terminology
  77
11 Deviations from Standard

79
12 Registers

81
- Figure 58. Register Set
  81
- Alternate Status Register
  82
- Command Register
  82
- Cylinder High Register
  82
- Cylinder Low Register
  82
- Figure 59. Alternate Status Register
  82
- Data Register
  83
- Device Control Register
  83
- Drive Address Register
  83
- Figure 60. Device Control Register
  83
- Figure 61. Drive Address Register
  83
- Device/Head Register
  84
- Error Register
  84
- Figure 62. Device/Head Register
  84
- Figure 63. Error Register
  84
- Features Register
  85
- Sector Count Register
  85
- Sector Number Register
  85
- Status Register
  86
- Figure 64. Status Register
  86
13 General Operation

89
- Reset Response
  89
- Figure 65. Reset Response Table
  89
- Register Initialization
  90
- Figure 66. Default Register Values
  90
- Figure 67. Diagnostic Codes
  90
- Diagnostic and Reset Considerations
  91
- Figure 68. Reset Error Register Values
  91
- Sector Addressing Mode
  92
  - Logical CHS Addressing Mode
    92
  - LBA Addressing Mode
    92
- Overlapped and Queued Feature
  93
- Power Management Feature
  94
  - Power Modes
    94
  - Power Management Commands
    94
  - Standby Timer
    94
  - Interface Capability for Power Modes
    95
- Function
  95
  - Attributes
    95
  - Attribute Values
    95
  - Attribute Thresholds
    95
  - Figure 69. Power Conditions
    95
  - Threshold Exceeded Condition
    96
  - Commands
    96
  - Off-Line Read Scanning
    96
  - Error Log
    96
  - Self-Test
    96
- Security Mode Feature Set
  96
  - Security Mode
    97
  - Security Level
    97
  - Passwords
    97
  - Operation Example
    97
  - Figure 70. Initial Setting
    98
  - Figure 71. Usual Operation
    99
  - Figure 72. Password Lost
    100
  - User Password Lost
    100
  - Command Table
    101
  - Figure 73. Command Table for Device Lock Operation (1 of 2)
    101
- Host Protected Area Function
  102
- Seek Overlap
  104
- Figure 74. Seek Overlap
  104
- Write Cache Function
  105
- Reassign Function
  105
- Auto Reassign Function
  105
  - Nonrecovered Write Errors
    105
  - Nonrecovered Read Errors
    105
  - Recovered Read Errors
    106
- Power-Up in Standby Feature Set
  106
- Advanced Power Management Feature Set (APM)
  106
- Automatic Acoustic Management Feature Set (AAM)
  107
- Address Offset Feature
  107
14 Command Protocol

109
- PIO Data in Commands
  109
- PIO Data out Commands
  110
- Non-Data Commands
  112
- DMA Commands
  113
- DMA Queued Commands
  113
15 Command Descriptions

115
- Figure 76. Command Set (1 of 2)
  115
- Figure 76. Command Set (2 of 2)
  116
- Figure 77. Command Set-Subcommand
  117
- Check Power Mode (E5H/98H)
  119
- Figure 78. Check Power Mode Command (E5H/98H)
  119
- Execute Device Diagnostic (90H)
  120
- Figure 79. Execute Device Diagnostic Command (90H)
  120
- Flush Cache (E7H)
  121
- Figure 80. Flush Cache Command (E7H)
  121
- Format Track (50H)
  122
- Figure 81. Format Track Command (50H)
  122
- Format Unit (F7H)
  124
- Figure 82. Format Unit Command (F7H)
  124
- Identify Device (Ech)
  125
- Figure 83. Identify Device Command (Ech)
  125
- Figure 84. Identify Device Information (1 of 6)
  126
- Figure 84. Identify Device Information (2 of 6)
  127
- Figure 84. Identify Device Information (3 of 6)
  128
- Figure 84. Identify Device Information (4 of 6)
  129
- Figure 84. Identify Device Information (5 of 6)
  130
- Figure 84. Identify Device Information (6 of 6)
  131
- Idle (E3H/97H)
  132
- Figure 85. Idle Command (E3H/97H)
  132
- Idle Immediate (E1H/95H)
  134
- Figure 86. Idle Immediate Command (E1H/95H)
  134
- Initialize Device Parameters (91H)
  135
- Figure 87. Initialize Device Parameters Command (91H)
  135
- NOP (00H)
  136
- Figure 88. NOP Command (00H)
  136
- Read Buffer (E4H)
  137
- Figure 89. Read Buffer Command (E4H)
  137
- Read DMA (C8H/C9H)
  138
- Figure 90. Read DMA Command (C8H/C9H)
  138
- Read DMA Queued (C7H)
  140
- Figure 91. Read DMA Queued Command (C7H)
  140
- Figure 110. Output Parameters to the Device
  140
- Read Long (22H/23H)
  142
- Figure 92. Read Long Command (22H/23H)
  142
- Read Multiple (C4H)
  144
- Figure 93. Read Multiple Command (C4H)
  144
- Read Native Max Address (F8H)
  146
- Figure 94. Read Native Max LBA/CYL (F8H)
  146
- Read Sectors (20H/21H)
  147
- Figure 95. Read Sectors Command (20H/21H)
  147
- Read Verify Sectors (40H/41H)
  149
- Figure 96. Read Verify Sectors Command (40H/41H)
  149
- Recalibrate (1Xh)
  151
- Figure 97. Recalibrate Command (1Xh)
  151
- Security Disable Password (F6H)
  152
- Figure 98. Security Disable Password Command (F6H)
  152
- Figure 99. Password Information for Security Disable Password Command
  152
- Security Erase Prepare (F3H)
  153
- Figure 100. Security Erase Prepare Command (F3H)
  153
- Security Erase Unit (F4H)
  154
- Figure 101. Security Erase Unit Command (F4H)
  154
- Figure 102. Erase Unit Information
  155
- Security Freeze Lock (F5H)
  156
- Figure 103. Security Freeze Lock Command (F5H)
  156
- Security Set Password (F1H)
  157
- Figure 104. Security Set Password Command (F1H)
  157
- Figure 105. Security Set Password Information
  158
- Security Unlock (F2H)
  159
- Figure 106. Security Unlock Command (F2H)
  159
- Seek (7Xh)
  160
- Figure 107. Seek Command (7Xh)
  160
- Service (A2H)
  161
- Figure 108. Service Command (A2H)
  161
- Set Features (Efh)
  162
  - Figure 109. Set Features Command (Efh)
    162
  - Advanced Power Management
    164
  - Automatic Acoustic Management
    164
  - Set Transfer Mode
    164
  - Write Cache
    164
- Set Max Address (F9H)
  165
- Set Multiple (C6H)
  171
- Figure 117. Set Multiple Command (C6H)
  171
- Sleep (E6H/99H)
  172
- Figure 118. Sleep Command (E6H/99H)
  172
- Function Set (B0H)
  173
- Standby (E2H/96H)
  189
- Figure 133. Standby Command (E2H/96H)
  189
- Standby Immediate (E0H/94H)
  191
- Figure 134. Standby Immediate Command (E0H/94H)
  191
- Write Buffer (E8H)
  192
- Figure 135. Write Buffer Command (E8H)
  192
- Write DMA (Cah/Cbh)
  193
- Figure 136. Write DMA Command (Cah/Cbh)
  193
- Write DMA Queued (Cch)
  195
- Figure 137. Write DMA Queued Command (Cch)
  195
- Write Long (32H/33H)
  197
- Figure 138. Write Long Command (32H/33H)
  197
- Write Multiple (C5H)
  199
- Figure 139. Write Multiple Command (C5H)
  199
- Write Sectors (30H/31H)
  201
- Figure 140. Write Sectors Command (30H/31H)
  201
Appendix

203
Index

207

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