Hitachi IC25N040ATMR04-0 - Travelstar 40GB Laptop Hard Drive 9.5mm 2.5 Inch Notebook HDD Specifications page 11

Hitachi Global Storage Technologies
List of Tables
Table 1: Formatted capacities ...............................................................................................15
Table 2: Data sheet ...............................................................................................................15
Table 3: Cylinder allocation .................................................................................................16
Table 4: Performance characteristics ....................................................................................17
Table 5: Mechanical positioning performance .....................................................................17
Table 6: Full stroke seek time ...............................................................................................18
Table 7: Single track seek time .............................................................................................18
Table 8: Average latency ......................................................................................................19
Table 9: Drive ready time .....................................................................................................19
Table 10: Description of operating modes ............................................................................19
Table 11: Drive ready time ...................................................................................................20
Table 12: Examples of error cases. .......................................................................................23
Table 13: Environmental condition ......................................................................................25
Table 14: Magnetic flux density limits .................................................................................26
Table 15: DC power requirements ........................................................................................27
Table 16: Power consumption efficiency .............................................................................28
Table 18: Random vibration PSD profile breakpoints (operating) .......................................33
Table 19: Swept sine vibration .............................................................................................34
Table 20: Random Vibration PSD Profile Breakpoints (nonoperating) ...............................34
Table 21: Operating shock ....................................................................................................34
Table 22: Nonoperating shock ..............................................................................................35
Table 23: Weighted sound power .........................................................................................35
Table 24: Signal definitions ..................................................................................................40
Table 25: Special signal definitions for Ultra DMA .............................................................41
Table 26: PIO cycle timings .................................................................................................45
Table 27: Multiword DMA cycle timings ............................................................................46
Table 28: Ultra DMA cycle timings (Initiating Read) ..........................................................47
Table 29: Ultra DMA cycle timings (Host Pausing Read) ...................................................48
Table 30: Ultra DMA cycle timings (Host Terminating Read) ............................................49
Table 31: Ultra DMA cycle timings (Device Terminating Read) ........................................50
Table 32: Ultra DMA cycle timing (Initiating Write) ..........................................................51
Table 33: Ultra DMA cycle timing (Device Pausing Write) ................................................52
Table 34: Ultra DMA cycle timings (Device TerminatingWrite) ........................................53
Table 35: Ultra DMA cycle timings (Host Terminating Write) ...........................................54
Table 36: I/O address map ....................................................................................................56
Table 37: Register Set ...........................................................................................................63
Table 38: Alternate Status Register ......................................................................................64
Table 39: Device Control Register .......................................................................................65
Table 40: Drive Address Register .........................................................................................65
Table 41: Device Head/Register ..........................................................................................66
Table 42: Error Register .......................................................................................................66
Table 43: Status Register ......................................................................................................67