Fujitsu MHV2040AT 用户手册
Contents
x
C141-E218
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 Spindle .................................................................................................... 4-2
4.2.3 Actuator .................................................................................................. 4-2
4.2.4 Air filter .................................................................................................. 4-3
4.3 Circuit Configuration......................................................................................... 4-3
4.4 Power-on Sequence ........................................................................................... 4-6
4.5 Self-calibration .................................................................................................. 4-7
4.5.1 Self-calibration contents ......................................................................... 4-7
4.5.2 Execution timing of self-calibration....................................................... 4-8
4.5.3 Command processing during self-calibration......................................... 4-8
4.6 Read/write Circuit.............................................................................................. 4-9
4.6.1 Read/write preamplifier (PreAMP) ........................................................ 4-9