Fujitsu MHW2080BJ Manuale Utente

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 Activity LED..................................5-9

 

Figure 5.3  Conceptual diagram of communication layers ...................................5-11

 

Figure 5.4  Register - Host to Device FIS layout ..................................................5-15

 

Figure 5.5  Register - Device to Host FIS layout ..................................................5-16

 

Figure 5.6  DMA Active - Device to Host FIS layout ..........................................5-16

 

Figure 5.7  DMA Setup - Device to Host or Host to Device FIS layout...............5-17

 

Figure 5.8  BIST Active - Bidirectional FIS layout ..............................................5-18

 

Figure 5.9  Data FIS (Bidirectional) layout ..........................................................5-19

 

Figure 5.10  PIO Setup - Device to Host FIS layout.............................................5-19

 

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