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User manual OCTEK TOC
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Manual abstract: user guide OCTEK TOC
Detailed instructions for use are in the User's Guide. Quantum Viking 2.27/4.55 GB S Product Manual
April 1, 1997 81-113146-02
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Table of Contents
Table of Contents
Chapter 1 ABOUT THIS MANUAL 1-1 1.1 AUDIENCE DEFINITION............................................................................................................. 1.2 MANUAL ORGANIZATION........................................................................................................ 1.3 TERMINOLOGY AND CONVENTIONS ...................................................................................... 1.4 REFERENCES............................................................................................................................... Chapter 2 GENERAL DESCRIPTION 2-1 2.1 PRODUCT OVERVIEW................................................................................................................ 2.2 KEY FEATURES........................................................................................................................... 2.3 STANDARDS AND REGULATIONS .......................................................................................... 2.4 HARDWARE REQUIREMENTS ..................................................................................................
1-1 1-1 1-1 1-3
2-1 2-1 2-3 2-3
Chapter 3 INSTALLATION 3-1 3.1 SPACE REQUIREMENTS ............................................................................................................ 3-1 3.2 UNPACKING INSTRUCTIONS.................................................................................................... 3-3 3.3 HARDWARE OPTIONS ............................................................................................................... 3-4 3.4 JUMPER OPTIONS ...................................................................................................................... 3-6 3.4.1 SCSI Bus Device Identification Jumpers ....................................................................... 3-6 3.4.2 SCSI Bus Termination Enable Jumper (TE) ................................................................... 3-7 3.4.3 SCSI Bus Termination Power Jumper (TP) .................................................................... 3-7 3.4.4 Wait/Spin Jumper (WAIT_SPIN) .................................................................................... 3-7 3.4.5 Spin Delay Jumper ........................................................................................................... 3-8 3.5 MOUNTING.................................................................................................................................. 3-8 3.5.1 Orientation ........................................................................................................................ 3-8 3.5.2 Mounting Screw Clearance ........................................................................................... 3-11 3.5.3 Ventilation ...................................................................................................................... 3-12 3.6 INTERFACE CONNECTOR (J1)................................................................................................. 3-13 3.6.1 4-pin DC Power Connector (50-pin and 68-pin Connectors) .................................. 3-14 3.6.2 50-pin SCSI Connector .................................................................................................. 3-14 3.6.3 68-pin SCSI Connector .................................................................................................. 3-14 3.6.4 80-pin SCSI Connector .................................................................................................. 3-15 3.6.5 J1 12-pin Auxiliary Connector (68-pin Connector) .................................................. 3-15 Chapter 4 SPECIFICATIONS 4-1 4.1 SPECIFICATION SUMMARY ..................................................................................................... 4-1 4.2 FORMATTED CAPACITY ........................................................................................................... 4-3 4.3 DATA TRANSFER RATES .......................................................................................................... 4-3
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Quantum Viking 2.27/4.55S
Table of Contents
4.4 TIMING SPECIFICATIONS.......................................................................................................... 4-4 4.5 POWER ......................................................................................................................................... 4-5 4.5.1 Power Sequencing ............................................................................................................4-5 4.5.2 Power Reset Limits ...........................................................................................................4-5 4.5.3 Power Requirements .........................................................................................................4-6 4.6 ACOUSTICS .................................................................................................................................. 4-7 4.7 MECHANICAL.............................................................................................................................. 4-7 4.8 ENVIRONMENTAL CONDITIONS .............................................................................................. 4-8 4.9 SHOCK AND VIBRATION ........................................................................................................... 4-8 4.10 RELIABILITY ................................................................................................................................ 4-9 4.11 DISK ERRORS .............................................................................................................................. 4-9 Chapter 5 BASIC PRINCIPLES OF OPERATION 5-1 5.1 QUANTUM VIKING DRIVE MECHANISM................................................................................ 5-1 5.1.1 Base Casting Assembly ....................................................................................................5-3 5.1.2 DC Motor Assembly .........................................................................................................5-3 5.1.3 Disk Stack Assemblies .....................................................................................................5-3 5.1.4 Headstack Assembly .........................................................................................................5-4 5.1.5 Rotary Positioner Assembly ............................................................................................5-4 5.1.6 Automatic Actuator Lock ................................................................................................5-4 5.1.7 Air Filtration .....................................................................................................................5-4 5.2 DRIVE ELECTRONICS ................................................................................................................. 5-5 5.2.1 µController ........................................................................................................................5-6 5.2.2 SCSI Controller .................................................................................................................5-7 5.2.3 Read/Write Channel .........................................................................................................5-9 5.2.4 PreAmplifier ....................................................................................................................5-11 5.3 SERVO SYSTEM ....................................................................................................................... 5-11 5.3.1 General Description ........................................................................................................5-11 5.3.2 Servo Burst and Track Information .............................................................................5-12 5.4 READ AND WRITE OPERATIONS .......................................................................................... 5-12 5.4.1 The Read Channel ...........................................................................................................5-12 5.4.2 The Write Channel ..........................................................................................................5-12 5.4.3 Interface Control .............................................................................................................5-13 5.5 FIRMWARE FEATURES........................................................................................................... 5-13 5.5.1 Disk Caching ...................................................................................................................5-13 5.5.2 Track and Cylinder Skewing .........................................................................................5-15 5.5.3 Error Detection and Correction .....................................................................................5-16 5.5.4 Defect Management .......................................................................................................5-21 Chapter 6 SCSI DESCRIPTION 6-1 6.1 GENERAL DESCRIPTION............................................................................................................ 6-1 6.1.1 Bus Architecture ...............................................................................................................6-1 6.1.2 Bus Transactions ...............................................................................................................6-1 6.2 LOGICAL CHARACTERISTICS OF THE SCSI BUS ................................................................... 6-2 6.2.1 Bus Phase Sequences .......................................................................................................6-2 6.2.2 Signal Restrictions Between Phases ...............................................................................6-3
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6.3
6.4 6.5
6.6
6.7
6.8
6.2.3 BUS FREE Phase ............................................................................................................... 6-3 6.2.4 ARBITRATION Phase ....................................................................................................... 6-3 6.2.5 SELECTION Phase ............................................................................................................ 6-4 6.2.6 RESELECTION Phase ........................................................................................................ 6-5 6.2.7 Information Transfer Phases .......................................................................................... 6-6 6.2.8 SCSI Bus Conditions ........................................................................................................ 6-9 6.2.9 Logical SCSI Conditions ................................................................................................ 6-10 SCSI MESSAGES....................................................................................................................... 6-11 6.3.1 MESSAGE IN Phase ....................................................................................................... 6-11 6.3.2 MESSAGE OUT Phase .................................................................................................... 6-11 6.3.3 Message Protocol ........................................................................................................... 6-13 6.3.4 One-Byte Messages ........................................................................................................ 6-13 6.3.5 Two-Byte Messages ....................................................................................................... 6-16 6.3.6 Extended Messages ........................................................................................................ 6-17 6.3.7 Message Error Handling ................................................................................................ 6-20 COMMAND IMPLEMENTATION ............................................................................................. 6-21 6.4.1 Command Descriptor Block (CDB) ............................................................................... 6-21 SCSI STATUS............................................................................................................................. 6-23 6.5.1 Good (00h) ...................................................................................................................... 6-23 6.5.2 Check Condition (02h) ................................................................................................... 6-24 6.5.3 Busy (08h) ....................................................................................................................... 6-24 6.5.4 Intermediate (10h) ....................................................................................... ... |
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