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

Figure 5.10

PIO Setup - Device to Host FIS layout

5-21

C141-E249

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Fujitsu MHW2060BS, MHW2100BS, MHW2080BS, MHW2120BS, MHW2040BS manual Illustrations