Fujitsu MHS2020AT, Product Manual

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Contents
x C141-E171-03EN
CHAPTER 3 Installation Conditions ............................................................. 3-1
3.1 Dimensions ..............................................................................................3-2
3.2 Mounting .................................................................................................3-3
3.3 Cable Connections...................................................................................3-9
3.3.1 Device connector ...................................................................................3-9
3.3.2 Cable connector specifications............................................................3-10
3.3.3 Device connection ...............................................................................3-10
3.3.4 Power supply connector (CN1) ...........................................................3-11
3.4 Jumper Settings .....................................................................................3-11
3.4.1 Location of setting jumpers.................................................................3-11
3.4.2 Factory default setting .........................................................................3-12
3.4.3 Master drive-slave drive setting ..........................................................3-12
3.4.4 CSEL setting........................................................................................3-13
3.4.5 Power Up in Standby setting ...............................................................3-14
CHAPTER 4 Theory of Device Operation ..................................................... 4-1
4.1 Outline .....................................................................................................4-2
4.2 Subassemblies..........................................................................................4-2
4.2.1 Disk........................................................................................................4-2
4.2.2 Head.......................................................................................................4-2
4.2.3 Spindle...................................................................................................4-3
4.2.4 Actuator .................................................................................................4-3
4.2.5 Air filter.................................................................................................4-3
4.3 Circuit Configuration ..............................................................................4-4
4.4 Power-on Sequence .................................................................................4-7
4.5 Self-calibration ........................................................................................4-8
4.5.1 Self-calibration contents........................................................................4-8
4.5.2 Execution timing of self-calibration......................................................4-9
4.5.3 Command processing during self-calibration......................................4-10
4.6 Read/write Circuit .................................................................................4-10