Contents
xiv
C141-E192-01EN
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
1 drive system configuration.............................................................. 2-3
Figure 2.3
2 drives configuration ........................................................................ 2-4
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 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
Cable connections ............................................................................ 3-10
Figure 3.10 Power supply connector pins (CN1) ................................................ 3-11
Figure 3.11 Jumper location................................................................................ 3-11
Figure 3.12 Factory default setting...................................................................... 3-12
Figure 3.13 Jumper setting of master or slave drive ........................................... 3-12
Figure 3.14 CSEL setting .................................................................................... 3-13
Figure 3.15 Example (1) of Cable Select ............................................................ 3-13
Figure 3.16 Example (2) of Cable Select ............................................................ 3-14
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 ........................ 4-17
Figure 4.8
Servo frame format .......................................................................... 4-18
Figure 5.1
Interface signals ................................................................................. 5-2
Figure 5.2
Execution example of READ MULTIPLE command..................... 5-21
Summary of Contents for MHT2020AT
Page 1: ...C141 E192 01EN MHT2080AT MHT2060AT MHT2040AT MHT2030AT MHT2020AT DISK DRIVES PRODUCT MANUAL ...
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Page 62: ...Theory of Device Operation 4 10 C141 E192 01EN Figure 4 4 Read write circuit block diagram ...
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Page 191: ...5 4 Command Protocol C141 E192 01EN 5 117 g d f f d e Figure 5 7 Normal DMA data transfer ...
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