IBM IC25N020ATDA04 Hard Drive Specifications - Page 7

9.0 Deviations from standard 69 10.0 Registers 71 10.1 Alternate Status Register 72 10.2 Command Register 72 10.3 Cylinder High Register 72 10.4 Cylinder Low Register 72 10.5 Data Register 73 10.6 Device Control Register 73 10.7 Device/Head Register 74 10.8 Error Register 75 10.9 Features Register 75 10.10 Sector Count Register 75 10.11 Sector Number Register 76 10.12 Status Register 76 11.0 General operation descriptions 77 11.1 Reset response 77 11.1.1 Register initialization 79 11.2 Diagnostic and Reset considerations 80 11.3 Power-off considerations 81 11.3.1 Load/Unload 81 11.3.2 Emergency unload 81 11.3.3 Required power-off sequence 82 11.4 Sector Addressing Mode 82 11.4.1 Logical CHS addressing mode 82 11.5 Power management features 83 11.5.1 Power Mode 83 11.5.2 Power management commands 83 11.5.3 Standby/Sleep command completion timing 84 11.5.4 Standby timer 84 11.5.5 Status 84 11.5.6 Interface Capability for Power Modes 84 11.5.7 Initial Power Mode at Power On 85 11.6 Advanced Power Management (ABLE-3) feature 85 11.6.1 Performance Idle Mode 85 11.6.2 Active Idle Mode 85 11.6.3 Low Power Idle Mode 86 11.6.4 Transition Time 86 11.7 S.M.A.R.T. Function 86 11.7.1 Attributes 86 11.7.2 Attribute values 86 11.7.3 Attribute thresholds 87 11.7.4 Threshold exceeded condition 87 11.7.5 S.M.A.R.T. commands 87 11.7.6 S.M.A.R.T. operation with power management modes 87 11.8 Security Mode Feature Set 87 11.8.1 Security Mode 88 11.8.2 Security level 88 11.8.3 Password 88 11.8.4 Master Password Revision Code 88 11.8.5 Operation example 88 11.8.6 Command table 92 11.9 Protected Area Function 94 11.9.1 Example for operation (In LBA Mode 94 11.9.2 Set Max security extension commands 95 Travelstar 48GH, 30GN & 15GN hard disk drive specifications v