Fujitsu MHX2250BT, Product Manual

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Contents
Illustrations
Figures
Figure 1.1 Permissible range of +5V rise slope..................................................... 1-6
Figure 1.2 The example of negative voltage waveform at +5 V when
power is turned off ............................................................................. 1-7
Figure 1.3 Current fluctuation (Typ.) at +5 V when power is turned on ............... 1-9
Figure 2.1 Disk drive outerview ............................................................................ 2-2
Figure 2.2 Drive system configuration .................................................................. 2-3
Figure 3.1 Dimensions........................................................................................... 3-2
Figure 3.2 Mounting frame structure ..................................................................... 3-4
Figure 3.3 Location of breather ............................................................................. 3-5
Figure 3.4 Surface cover temperature measurement points ................................... 3-6
Figure 3.5 Service area .......................................................................................... 3-7
Figure 3.6 Handling cautions................................................................................. 3-8
Figure 3.7 Connector locations.............................................................................. 3-9
Figure 3.8 Power supply pins (CN1) ................................................................... 3-10
Figure 4.1 Power supply configuration.................................................................. 4-4
Figure 4.2 Circuit configuration ............................................................................ 4-5
Figure 4.3 Power-on operation sequence............................................................... 4-7
Figure 4.4 Read/write circuit block diagram ....................................................... 4-10
Figure 4.5 Frequency characteristic of programmable filter................................ 4-11
Figure 4.6 Block diagram of servo control circuit............................................... 4-13
Figure 4.7 Physical sector servo configuration on disk surface........................... 4-16
Figure 4.8 Servo frame format............................................................................. 4-17
Figure 5.1 Interface signals.................................................................................... 5-2
Figure 5.2 Example of the circuit for driving Ready LED .................................. 5-12
Figure 5.3 Conceptual diagram of communication layers ................................... 5-14
Figure 5.4 Register - Host to Device FIS layout.................................................. 5-17
Figure 5.5 Register - Device to Host FIS layout.................................................. 5-18
Figure 5.6 DMA Active - Device to Host FIS layout .......................................... 5-18
Figure 5.7 DMA Setup - Device to Host or Host to Device FIS layout .............. 5-19
Figure 5.8 BIST Active - Bidirectional FIS layout.............................................. 5-20
Figure 5.9 Data FIS (Bidirectional) layout .......................................................... 5-21
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