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5.2.3.1
5.2.3.2
5.2.3.3
5.2.3.4
5.2.3.5
Time Base Generator..................................................................................................................... 26
Automatic Gain Control ................................................................................................................ 26
Asymmetry Correction Circuitry (ASC) ....................................................................................... 26
Analog Anti-Aliasing Low Pass Filter .......................................................................................... 27
Analog to Digital Converter (ADC) and FIR ................................................................................ 27
Spinpoint M8U-Internal Product Manual REV 3.4
ii
TABLE OF CONTENTS
CHAPTER 1 SCOPE .............................................................................................................................1
1.1 USER DEFINITION ..............................................................................................................................1
1.2 M
ANUAL ORGANIZATION ..................................................................................................................1
1.3 USB ....................................................................................................................................................2
1.4 R
EFERENCE ........................................................................................................................................2
CHAPTER 2 DESCRIPTION ..............................................................................................................3
2.1 INTRODUCTION ..................................................................................................................................3
2.2 KEY FEATURES ..................................................................................................................................4
2.3 S
TANDARDS AND REGULATIONS........................................................................................................5
2.4 H
ARDWARE REQUIREMENTS.............................................................................................................5
CHAPTER 3 SPECIFICATIONS ........................................................................................................6
3.1 SPECIFICATION SUMMARY ................................................................................................................6
3.2 P
HYSICAL SPECIFICATIONS ...............................................................................................................7
3.3 L
OGICAL CONFIGURATIONS..............................................................................................................7
3.4 PERFORMANCE SPECIFICATIONS ......................................................................................................8
3.5 P
OWER CONSUMPTION ......................................................................................................................9
3.6 E
NVIRONMENTAL SPECIFICATIONS ................................................................................................10
3.7 R
ELIABILITY SPECIFICATIONS ........................................................................................................12
CHAPTER 4 INSTALLATION..........................................................................................................13
4.1 SPACE REQUIREMENTS....................................................................................................................13
4.2 U
NPACKING INSTRUCTIONS.............................................................................................................14
4.3 MOUNTING .......................................................................................................................................14
4.3.1 Orientation......................................................................................................................14
4.3.2 Ventilation ......................................................................................................................15
4.4 C
ABLE CONNECTORS.......................................................................................................................16
4.4.1 USB Connectivity............................................................................................................16
4.5 D
RIVE INSTALLATION......................................................................................................................19
4.6 S
YSTEM STARTUP PROCEDURE .......................................................................................................20
CHAPTER 5 DISK DRIVE OPERATION........................................................................................21
5.1 HEAD / DISK ASSEMBLY (HDA) ......................................................................................................21
5.1.1 Base Casting Assembly ...................................................................................................21
5.1.2 DC Spindle Motor Assembly ...........................................................................................21
5.1.3 Disk Stack Assembly .......................................................................................................23
5.1.4 Head Stack Assembly ......................................................................................................23
5.1.5 Voice Coil Motor and Actuator Latch Assemblies ..........................................................23
5.1.6 Air Filtration System.......................................................................................................23
5.1.7 Load/Unload Mechanism................................................................................................23
5.2 D
RIVE ELECTRONICS .......................................................................................................................24
5.2.1 Digital Signal Process and Interface Controller ............................................................24
5.2.2 USB Interface Controller................................................................................................24
5.2.2.1 The Host Interface Control Block ................................................................................................. 24
5.2.2.2 The Buffer Control Block ............................................................................................................. 25
5.2.2.3 The Disk Control Block ................................................................................................................ 25
5.2.2.4 The Disk ECC Control Block........................................................................................................ 25
5.2.2.5 Power Management....................................................................................................................... 26
5.2.3 Read/Write IC .................................................................................................................26