Contents

Illustrations

Figures

Figure 1.1

Negative voltage at +5 V when power is turned off

1-6

Figure 1.2

Current fluctuation (Typ.) at +5 V when power is turned on

1-8

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

Orientation

3-3

Figure 3.3

Mounting frame structure

3-4

Figure 3.4

Location of breather

3-5

Figure 3.5

Surface cover temperature measurement points

3-6

Figure 3.6

Service area

3-7

Figure 3.7

Handling cautions

3-8

Figure 3.8

Connector locations

3-9

Figure 3.9 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

4-6

Figure 4.4

Read/write circuit block diagram

4-9

Figure 4.5

Frequency characteristic of programmable filter

4-10

Figure 4.6

Block diagram of servo control circuit

4-12

Figure 4.7

Physical sector servo configuration ( on disk surface

4-15

Figure 4.8

Servo frame format

4-16

Figure 5.1

Interface signals

5-2

Figure 5.2

Conceptual diagram of communication layers

5-9

Figure 5.3

Register - Host to Device FIS layout

5-12

Figure 5.4

Register - Device to Host FIS layout

5-13

Figure 5.5 DMA Active - Device to Host FIS layout

5-13

Figure 5.6 DMA Setup - Device to Host or Host to Device FIS layout

5-14

Figure 5.7

BIST Active - Bidirectional FIS layout

5-15

Figure 5.8

Data FIS (Bidirectional) layout

5-16

Figure 5.9 Execution example of READ MULTIPLE command

5-72

Figure 5.10 Non-data command protocol

5-142

C141-E203-01EN

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Fujitsu MHT2040BH, MHT2060BH, MHT2080BH manual Illustrations, Figures