Fujitsu MHT2020AT - Page 14

Contents
x C141-E192-01EN
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 .......................................4-9
4.6 Read/write Circuit...................................................................................4-9
4.6.1 Read/write preamplifier (PreAmp) .......................................................4-9