Chapter 1 Fundamentals and Operations of Computers
TOPIC 1COMPUTER FUNCTIONS AND TYPES
TYPES OF COMPUTERS
Figure 1-2.Example of a maintenance console panel of a digital computer
Figure 1-4.Example of a minicomputer
Figure 1-5.Example of a microcomputer
OPERATIONAL USES OF COMPUTERS
Tactical Support Systems
SNAP SYSTEMS
OPERATOR CONTROLS
Figure 1-9.Computer switching and control panel used on a CDS/NTDS system
ONLINE AND OFFLINE MODES OF OPERATION
BATTLE SHORT MODE OF OPERATION
OPERATIONAL REQUIREMENTS OF COMPUTER SYSTEMS
Shipboard EMI Control
MINICOMPUTERS
Summary - 14091_29
Chapter 2 Computer Configurations and Hardware
Individual Functional Block Diagrams
Figure 2-3.Example of an individual functional layout of a single cabinet configuration
PHYSICAL LAYOUTS OF COMPUTERS
Figure 2-5.Physical layout of a single mainframe computer set
Backplane or Motherboard
Computer Frames/Cabinets
Modular-Designed Computer Frames/Cabinets
Figure 2-10 Example of a modular designed frame computer
Cage or Rack-Designed Computer Frames/Cabinets
Motherboard or Backplane Designed Computer Frames/Cabinets
Safety and Security Degisn Features of Computer Frames/Cabinets
Subassemblies used in computers
Keyed Printed Circuit Boards
Computer Connectors and Cables
Two Piece Plug and Receptable PCB Connectors
Figure 2-19.Rectangular multipin connectors
Internal Connectors
Internal Connector Receptacles
Internal Conductors (Wires)
External Connectors
Figure 2-27 Example of a jack keyed for a connector plug
Cable Architecture
Figure 2-31.Grounding a cable
COAXIAL CABLES
COMPUTER COOLING SYSTEMS
PRINTED CIRCUIT BOARDS
Chapter 3 Computer Operator Control and Controlling Units
INDICATORS (LIGHTS)
Position Switches
Toggle Switches
Figure 3-2.Example of a typical controlling unit
Table 3-1.Part of a Table Detailing Controls and Indicators of a Typical Controlling Unit
POWER/TEMPERATURE PANELS
CONTROL AND MAINTENANCE PANELS
DISPLAY CONTROL UNITS
COMPUTER CONTROL PANELS
KEYBOARDS
TELETYPES
REMOTE CONSOLES AND REMOTE OPERATOR CONTROL UNITS
SUMMARYCOMPUTER OPERATOR CONTROLS AND CONTROLLING units
Figure 3-12.Example of a remote console.
CHAPTER 4 COMPUTER COMPONENTS AND CIRCUITS
TOPIC 1COMPUTER NUMBER systems
Figure 4-1.Illustration equivalences between binary, octal, hexadecimal, and decimal numbers.
TOPIC 2COMPUTER LOGIC
IC PACKAGING
Figure 4-4.example schematics of bipolar ICs.
TOPIC 4DIGITAL ICS
DIGITAL IC CONVENTION
DIGITAL IC GROUPS
Flip-Flops
Decision-Making Functions
DATA ROUTING CIRCUITS
Figure 4-17.Example of command enable used in a circuit.
Figure 4-19.Example of a demultiplexer circuit.
Memory-Type Functions
REGISTERS
Figure 4-26.example of a double-line parallel transfer,
LINEAR IC FAMILY TYPES
LINEAR IC GATES
Line Driver and Receiver Integrated Circuits
Systems Interface Circuits
TOPIC 6TIMING CIRCUITS
TIMING CIRCUIT FUNCTIONS
TOPIC 7COMPUTER DATA TYPES AND FORMATS
TOPIC 8POWER SUPPLIES
Computer Power Supply Controlling Devices
Computer Power Supply Protection
Microcomputers - 14091_102
External Computer Protection Devices
Summary-Computer Components and Circuits
Power Supplies
Chapter 5 Central Processing Units and Buses
TOPIC 1CONTROL SECTION
Timing
Master Clock
Main Timing Signals
INSTRUCTION AND CONTROL
Figure 5-4Example of instruction translation and execution circuitry.
Figure 5-6.Example of an arithmetic detecting circuit used to indicate a subtraction overflow condition
Figure 5-8.Block diagram of an operation to determine an absolute address
Instruction Operation Levels
MICROCOMPUTER INTERRUPT TYPES
Class II Interrupts
INTERRUPTS AND INTERRUPT CODES
Terminate Current Program Execution
CONTROL MEMORY
CACHE MAPPING TECHNIQUES
READ-ONLY MEMORY (ROM)
Basic InPut/Output System (BIOS)
INSTRUCTIONS
ALU OPERATIONS
Figure 5-15.Floating-point numbers: A. Fractional number; B. Very large number
Figure 5-16.Floating-point numbers: A. Single precision; B. Double-precision
Operation Types
BUS TYPES
Computer Interconnection System
BUS OPERATIONS - 14091_132
Processor Bus
Summary-Central Processing Units and Buses
BUS OPERATIONS - 14091_135
Chapter 6 Computer Memories
MEMORY ORGANIZATION
Memory Modules
MEMORY OPERATIONS
Figure 6-5.Memory address with an 8-bit word.
Memory Cycle
Memory Fault Detection
MEMORY TYPES
Topic 2 Read/Write Memories
CORE STORAGE LAYOUT
Figure 6-11.64 64 array memory quadrant
Core Address Selection
FILM MEMORY
PACKETS
Sense/Digit Line
Figure 6-18.Example portion of a film array
Figure 6-20.Memory location words
Mated Film Storage Read/Write Cycle
WRITE (RESTORE) CYCLE.
READ/WRITE CYCLE CIRCUITS
Figure 6-24.RAM chip
Static RAM (SRAM)
Figure 6-29.SRAM MOS cell.
Dynamic RAM (DRAM)
Figure 6-32.DRAM storage cell
Dynamic RAM Organization and Operation
ROM (NDRO) Modules
READ-ONLY MEMORY (ROM) OPERATIONS
Figure 6-36.Hardwired magnetic ROM.
READ-ONLY MEMORY TYPES
DYNAMIC RANDOM ACCESS MEMORY
READ-ONLY MEMORY (ROM)
Chapter 7 Input/Output (I/O) and Interfacing
TOPIC 2INPUT/OUTPUT (I/O) ORGANIZATION
INPUT/OUTPUT PROCESSOR
Figure 7-3.Example of a repertoire of IOC commands
Figure 7-4.IOA, top view with I/O connectors.
Figure 7-5.I/O connectors, rear of computer cabinet.
Figure 7-6.IOA/IOC interface
INPUT/OUTPUT DATA ARRANGEMENT
INPUT/OUTPUT INSTRUCTIONS
Command Instructions
OPERATING MODES
INPUT/OUTPUT FUNCTIONS
Control Circuits
CATEGORIES OF I/O OPERATIONS
INTERRUPT DRIVEN I/O
Direct Memory Access (DMA) - 14091_184
METHODS OF CONNECTIONS
I/O INTERFACING STANDARDS
I/O INTERFACING COMPONENTS
READ/WRITE CONTROL
Line Drivers/Receivers
NTDS Input/Output (MIL-STD-1397)
Small Computer System Interface (ANSI X3.131)
RS-232 (EIA RS-232 and MIL-STD 188)
IEEE 802.3 (Ethernet DIX)
Figure 7-23.Daisy chain in an Ethernet.
Enhanced Small Device Interface (ESDI)
I/O SERIAL DATA OPERATIONS
DCE/DTE Serial I/O Cable Signals
RS-232 Pin Description
I/O PARALLEL DATA OPERATIONS
Single Cable Sequence of Events
Computer to External Equipment (Two Cables)
EXTERNAL INTERRUPT (EI) SEQUENCE OF EVENTS
Intercomputer I/O Operations
INTERCOMPUTER DATA TRANSFER
DIRECT MEMORY ACCESS (DMA) - 14091_205
INTERCOMPUTER I/O OPERATIONS
Chapter 8 Computer Instructions and Man/Machine Interfaces
Topic 1-Computer Instructions
Application/Operational Programs
Instructions Classified by Function
Instruction Language Interpretation
Figure 8-2, A.Examples of instruction interpretations for two mainframe computers
INSTRUCTION FORMATS
Mainframe Computer Instruction Formats
Figure 8-5.Illustrations of instruction word formats I, II, and III
INSTRUCTION OPERAND ADDRESSING
Indexed Operand Addressing
Relative Operand Addressing
Multiple-Word Instructions
Figure 8-17.Display panels and data entry keyboards on a display control unit (DCU).
MAN/MACHINE OPERATING MODES
Microcomputers - 14091_222
Figure 8-19.Jumper connections
EXECUTE INTERNAL DIAGNOSTICS - 14091_224
INITIATE OPERATIONAL PROGRAMS - 14091_225
PATCH OR REVISE SOFTWARE
EXECUTE INTERNAL DIAGNOSTICS - 14091_227
EXECUTE BOOTSTRAP
Mainframes
EXECUTE INTERNAL DIAGNOSTICS - 14091_230
INITIATE OPERATIONAL PROGRAMS - 14091_231
PATCH OR REVISE SOFTWARE
Chapter 9 Magnetic Tape Storage
MAGNETIC TAPE CONSTRUCTION
Tape Storage and Handling
Tape Control
Identifying and Correcting Problems with Magnetic Tapes
DATA STORAGE ON MAGNETIC TAPE
Writing/Reading Magnetic Tape
Data Organization and Timing
Data Files on Tape
Figure 9-13.A magnetic tape unit
Topic 2 Magnetic Tape Devices
MAGNETIC TAPE UNIT OPERATIONS
MTU Offline Operations
Figure 9-17.An MTU system control panel.
Magnetic Tape Transport (MTT)
MTT Block Diagram
Figure 9-21.An MTT functional block diagram
CAPSTAN SERVO CONTROL
Topic 3 Maintenance Requirements
DIAGNOSTIC PROGRAMS
MAGNETIC TAPE TRANSPORTS
Chapter 10 Magnetic Disk Storage
Types of Disks
ORGANIZING DATA ON DISKS
Directories
Root Directory
File Allocation Table
The 5.25 Inch Floppy Disk Construction
Write Protect/Write Enable Slide
Drive Electronics Circuit Board
DENSITY AND COERCIVITY
USING LOW-DENSITY DISKS IN HIGH DENSITY DRIVES
FLOPPY DISK CARE AND HANDLING
Figure 10-9.Floppy disk handling precautions.
MAGNETIC DISK PACKS
Operators Panel
Table 10-8.Status/Maintenance Panel Fault Codes
Figure 10-15.A controller block diagram
Microprocessor
DISK CONTROL LOGIC
Spindle Assembly
Head/Arm Assemblies
Write Operation
Topic 4 Fixed Hard Disk Systems
Disk Platters
VOICE COIL HEAD ACTUATOR
Frequency Modulation (FM)
FIXED DISK INTERFACES
Enhanced Integrated Drive Electronics (EIDE)
Creating a DOS Partition
PREVENTING VIRUS INFECTIONS
FIXED DISK CARE AND HANDLING
FLOPPY DISK DRIVE OPERATION
FIXED DISK CONTROLLERS
Chapter 11 CD-ROM Storage
DATA STORAGE STRUCTURE
Constant Linear Velocity
TOPIC 2CD-ROM DRIVES
Tracking and Focusing
INTERFACE SECTION - 14091_294
SUMMARYCD-ROM STORAGE
Chapter 12 Printers
CHARACTER SETS
Alternate Character Sets
LINE CHARACTERISTICS
INTERFACE SECTION - 14091_301
PAPER-FEED ASSEMBLIES
TOPIC 3IMPACT PRINTERS
Chain and Band Printers
CHARACTER PRINTERS
TOPIC 4NONIMPACT PRINTERS
LASER PRINTERS
Figure 12-14.A laser imaging system
Laser Printer Page Languages
SUMMARYPRINTERS
CONTROL SECTION
Chapter 13 Data Conversion Devices and Switchboards
Figure 13-1.Analog and digital quantity comparisons
THE ANALOG-TO-DIGITAL CONVERTER
BINARY ANGULAR MEASUREMENT
Synchro Systems
SYNCHRO SIGNALS
Synchro-to-Digital (S/D) Conversion
DIGITAL-TO-LINEAR/SCALAR CONVERSION
Figure 13-6.DAC front panel
DAC Functional Description
Figure 13-8.Mounting base.
Base Controls and Indicators
Ready Digital (RD) Data
MULTIPLEXING DATA CONVERTERS
KEYSET CENTRAL MULTIPLEXER
Duplexer and Input/Output (I/O) Logic
Demand Digital (DD) Inputs
Digital Input Channels and Digital Output Channels
DIC Computer Operation
Controls and Indicators (KCMX)
Computer Input Data Register Panel (A1)
Digital Control Logic Panel (A2)
Digital Input Channel (DIC) Logic Panel (A3)
Figure 13-14.Manual switchboard
DIGITAL SWITCHBOARDS
Remotely controlled switchboards
Figure 13-18.Equipment interconnection through the CDS DFCS
Power Distribution Panel - 14091_340
Figure 13-21.R3DLSO-1B/R5DLSO-1B linear movement switch assembly
Switch Control and Potential Transformer ACO Assembly
Figure 13-23.Magnetic tape interconnection through the DFCS
Relay Tester Assembly - 14091_344
Figure 13-27.CSCP controls and indicators
Table 13-6.Matrix Panel Connection Code
ANALOG SWITCHBOARDS - 14091_347
Indicator Panel Assembly - 14091_348
Fuse Tinter Panel Assembly
Snap Switch Panel Assembly
Linear Movement Switches
ANALOG AND DIGITAL QUANTITIES
KCMX INPUT AND OUTPUT
Appendix I Glossary - 14091_355
Appendix I Glossary - 14091_356
Appendix I Glossary - 14091_357
Appendix I Glossary - 14091_358
Appendix I Glossary - 14091_359
Appendix I Glossary - 14091_360
Appendix I Glossary - 14091_361
Appendix I Glossary - 14091_362
Appendix I Glossary - 14091_363
Appendix II References - 14091_365
Appendix II References - 14091_366
Appendix II References - 14091_367
Appendix II References - 14091_368
Appendix II References - 14091_369
Appendix II References - 14091_370
Appendix II References - 14091_371
Appendix II References - 14091_372
Appendix II References - 14091_373
Appendix II References - 14091_374
Appendix II References - 14091_375
Appendix II References - 14091_376
Appendix II References - 14091_377
Appendix II References - 14091_378
Appendix II References - 14091_379
Appendix II References - 14091_380
Appendix II References - 14091_381
Index - 14091_383
Index - 14091_384
Index - 14091_385
Index - 14091_386
Index - 14091_387
Index - 14091_388
Index - 14091_389
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Index - 14091_391
Index - 14091_392
Index - 14091_393
Index - 14091_394
Index - 14091_395
Index - 14091_396
Assignment Questions - 14091_397
Assignment Questions - 14091_399
Assignment Questions - 14091_400
Assignment Questions - 14091_401
Assignment Questions - 14091_402
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Assignment Questions - 14091_521
TOPIC 1COMPUTER FUNCTIONS AND TYPES
TYPES OF COMPUTERS
Figure 1-2.Example of a maintenance console panel of a digital computer
Figure 1-4.Example of a minicomputer
Figure 1-5.Example of a microcomputer
OPERATIONAL USES OF COMPUTERS
Tactical Support Systems
SNAP SYSTEMS
OPERATOR CONTROLS
Figure 1-9.Computer switching and control panel used on a CDS/NTDS system
ONLINE AND OFFLINE MODES OF OPERATION
BATTLE SHORT MODE OF OPERATION
OPERATIONAL REQUIREMENTS OF COMPUTER SYSTEMS
Shipboard EMI Control
MINICOMPUTERS
Summary - 14091_29
Chapter 2 Computer Configurations and Hardware
Individual Functional Block Diagrams
Figure 2-3.Example of an individual functional layout of a single cabinet configuration
PHYSICAL LAYOUTS OF COMPUTERS
Figure 2-5.Physical layout of a single mainframe computer set
Backplane or Motherboard
Computer Frames/Cabinets
Modular-Designed Computer Frames/Cabinets
Figure 2-10 Example of a modular designed frame computer
Cage or Rack-Designed Computer Frames/Cabinets
Motherboard or Backplane Designed Computer Frames/Cabinets
Safety and Security Degisn Features of Computer Frames/Cabinets
Subassemblies used in computers
Keyed Printed Circuit Boards
Computer Connectors and Cables
Two Piece Plug and Receptable PCB Connectors
Figure 2-19.Rectangular multipin connectors
Internal Connectors
Internal Connector Receptacles
Internal Conductors (Wires)
External Connectors
Figure 2-27 Example of a jack keyed for a connector plug
Cable Architecture
Figure 2-31.Grounding a cable
COAXIAL CABLES
COMPUTER COOLING SYSTEMS
PRINTED CIRCUIT BOARDS
Chapter 3 Computer Operator Control and Controlling Units
INDICATORS (LIGHTS)
Position Switches
Toggle Switches
Figure 3-2.Example of a typical controlling unit
Table 3-1.Part of a Table Detailing Controls and Indicators of a Typical Controlling Unit
POWER/TEMPERATURE PANELS
CONTROL AND MAINTENANCE PANELS
DISPLAY CONTROL UNITS
COMPUTER CONTROL PANELS
KEYBOARDS
TELETYPES
REMOTE CONSOLES AND REMOTE OPERATOR CONTROL UNITS
SUMMARYCOMPUTER OPERATOR CONTROLS AND CONTROLLING units
Figure 3-12.Example of a remote console.
CHAPTER 4 COMPUTER COMPONENTS AND CIRCUITS
TOPIC 1COMPUTER NUMBER systems
Figure 4-1.Illustration equivalences between binary, octal, hexadecimal, and decimal numbers.
TOPIC 2COMPUTER LOGIC
IC PACKAGING
Figure 4-4.example schematics of bipolar ICs.
TOPIC 4DIGITAL ICS
DIGITAL IC CONVENTION
DIGITAL IC GROUPS
Flip-Flops
Decision-Making Functions
DATA ROUTING CIRCUITS
Figure 4-17.Example of command enable used in a circuit.
Figure 4-19.Example of a demultiplexer circuit.
Memory-Type Functions
REGISTERS
Figure 4-26.example of a double-line parallel transfer,
LINEAR IC FAMILY TYPES
LINEAR IC GATES
Line Driver and Receiver Integrated Circuits
Systems Interface Circuits
TOPIC 6TIMING CIRCUITS
TIMING CIRCUIT FUNCTIONS
TOPIC 7COMPUTER DATA TYPES AND FORMATS
TOPIC 8POWER SUPPLIES
Computer Power Supply Controlling Devices
Computer Power Supply Protection
Microcomputers - 14091_102
External Computer Protection Devices
Summary-Computer Components and Circuits
Power Supplies
Chapter 5 Central Processing Units and Buses
TOPIC 1CONTROL SECTION
Timing
Master Clock
Main Timing Signals
INSTRUCTION AND CONTROL
Figure 5-4Example of instruction translation and execution circuitry.
Figure 5-6.Example of an arithmetic detecting circuit used to indicate a subtraction overflow condition
Figure 5-8.Block diagram of an operation to determine an absolute address
Instruction Operation Levels
MICROCOMPUTER INTERRUPT TYPES
Class II Interrupts
INTERRUPTS AND INTERRUPT CODES
Terminate Current Program Execution
CONTROL MEMORY
CACHE MAPPING TECHNIQUES
READ-ONLY MEMORY (ROM)
Basic InPut/Output System (BIOS)
INSTRUCTIONS
ALU OPERATIONS
Figure 5-15.Floating-point numbers: A. Fractional number; B. Very large number
Figure 5-16.Floating-point numbers: A. Single precision; B. Double-precision
Operation Types
BUS TYPES
Computer Interconnection System
BUS OPERATIONS - 14091_132
Processor Bus
Summary-Central Processing Units and Buses
BUS OPERATIONS - 14091_135
Chapter 6 Computer Memories
MEMORY ORGANIZATION
Memory Modules
MEMORY OPERATIONS
Figure 6-5.Memory address with an 8-bit word.
Memory Cycle
Memory Fault Detection
MEMORY TYPES
Topic 2 Read/Write Memories
CORE STORAGE LAYOUT
Figure 6-11.64 64 array memory quadrant
Core Address Selection
FILM MEMORY
PACKETS
Sense/Digit Line
Figure 6-18.Example portion of a film array
Figure 6-20.Memory location words
Mated Film Storage Read/Write Cycle
WRITE (RESTORE) CYCLE.
READ/WRITE CYCLE CIRCUITS
Figure 6-24.RAM chip
Static RAM (SRAM)
Figure 6-29.SRAM MOS cell.
Dynamic RAM (DRAM)
Figure 6-32.DRAM storage cell
Dynamic RAM Organization and Operation
ROM (NDRO) Modules
READ-ONLY MEMORY (ROM) OPERATIONS
Figure 6-36.Hardwired magnetic ROM.
READ-ONLY MEMORY TYPES
DYNAMIC RANDOM ACCESS MEMORY
READ-ONLY MEMORY (ROM)
Chapter 7 Input/Output (I/O) and Interfacing
TOPIC 2INPUT/OUTPUT (I/O) ORGANIZATION
INPUT/OUTPUT PROCESSOR
Figure 7-3.Example of a repertoire of IOC commands
Figure 7-4.IOA, top view with I/O connectors.
Figure 7-5.I/O connectors, rear of computer cabinet.
Figure 7-6.IOA/IOC interface
INPUT/OUTPUT DATA ARRANGEMENT
INPUT/OUTPUT INSTRUCTIONS
Command Instructions
OPERATING MODES
INPUT/OUTPUT FUNCTIONS
Control Circuits
CATEGORIES OF I/O OPERATIONS
INTERRUPT DRIVEN I/O
Direct Memory Access (DMA) - 14091_184
METHODS OF CONNECTIONS
I/O INTERFACING STANDARDS
I/O INTERFACING COMPONENTS
READ/WRITE CONTROL
Line Drivers/Receivers
NTDS Input/Output (MIL-STD-1397)
Small Computer System Interface (ANSI X3.131)
RS-232 (EIA RS-232 and MIL-STD 188)
IEEE 802.3 (Ethernet DIX)
Figure 7-23.Daisy chain in an Ethernet.
Enhanced Small Device Interface (ESDI)
I/O SERIAL DATA OPERATIONS
DCE/DTE Serial I/O Cable Signals
RS-232 Pin Description
I/O PARALLEL DATA OPERATIONS
Single Cable Sequence of Events
Computer to External Equipment (Two Cables)
EXTERNAL INTERRUPT (EI) SEQUENCE OF EVENTS
Intercomputer I/O Operations
INTERCOMPUTER DATA TRANSFER
DIRECT MEMORY ACCESS (DMA) - 14091_205
INTERCOMPUTER I/O OPERATIONS
Chapter 8 Computer Instructions and Man/Machine Interfaces
Topic 1-Computer Instructions
Application/Operational Programs
Instructions Classified by Function
Instruction Language Interpretation
Figure 8-2, A.Examples of instruction interpretations for two mainframe computers
INSTRUCTION FORMATS
Mainframe Computer Instruction Formats
Figure 8-5.Illustrations of instruction word formats I, II, and III
INSTRUCTION OPERAND ADDRESSING
Indexed Operand Addressing
Relative Operand Addressing
Multiple-Word Instructions
Figure 8-17.Display panels and data entry keyboards on a display control unit (DCU).
MAN/MACHINE OPERATING MODES
Microcomputers - 14091_222
Figure 8-19.Jumper connections
EXECUTE INTERNAL DIAGNOSTICS - 14091_224
INITIATE OPERATIONAL PROGRAMS - 14091_225
PATCH OR REVISE SOFTWARE
EXECUTE INTERNAL DIAGNOSTICS - 14091_227
EXECUTE BOOTSTRAP
Mainframes
EXECUTE INTERNAL DIAGNOSTICS - 14091_230
INITIATE OPERATIONAL PROGRAMS - 14091_231
PATCH OR REVISE SOFTWARE
Chapter 9 Magnetic Tape Storage
MAGNETIC TAPE CONSTRUCTION
Tape Storage and Handling
Tape Control
Identifying and Correcting Problems with Magnetic Tapes
DATA STORAGE ON MAGNETIC TAPE
Writing/Reading Magnetic Tape
Data Organization and Timing
Data Files on Tape
Figure 9-13.A magnetic tape unit
Topic 2 Magnetic Tape Devices
MAGNETIC TAPE UNIT OPERATIONS
MTU Offline Operations
Figure 9-17.An MTU system control panel.
Magnetic Tape Transport (MTT)
MTT Block Diagram
Figure 9-21.An MTT functional block diagram
CAPSTAN SERVO CONTROL
Topic 3 Maintenance Requirements
DIAGNOSTIC PROGRAMS
MAGNETIC TAPE TRANSPORTS
Chapter 10 Magnetic Disk Storage
Types of Disks
ORGANIZING DATA ON DISKS
Directories
Root Directory
File Allocation Table
The 5.25 Inch Floppy Disk Construction
Write Protect/Write Enable Slide
Drive Electronics Circuit Board
DENSITY AND COERCIVITY
USING LOW-DENSITY DISKS IN HIGH DENSITY DRIVES
FLOPPY DISK CARE AND HANDLING
Figure 10-9.Floppy disk handling precautions.
MAGNETIC DISK PACKS
Operators Panel
Table 10-8.Status/Maintenance Panel Fault Codes
Figure 10-15.A controller block diagram
Microprocessor
DISK CONTROL LOGIC
Spindle Assembly
Head/Arm Assemblies
Write Operation
Topic 4 Fixed Hard Disk Systems
Disk Platters
VOICE COIL HEAD ACTUATOR
Frequency Modulation (FM)
FIXED DISK INTERFACES
Enhanced Integrated Drive Electronics (EIDE)
Creating a DOS Partition
PREVENTING VIRUS INFECTIONS
FIXED DISK CARE AND HANDLING
FLOPPY DISK DRIVE OPERATION
FIXED DISK CONTROLLERS
Chapter 11 CD-ROM Storage
DATA STORAGE STRUCTURE
Constant Linear Velocity
TOPIC 2CD-ROM DRIVES
Tracking and Focusing
INTERFACE SECTION - 14091_294
SUMMARYCD-ROM STORAGE
Chapter 12 Printers
CHARACTER SETS
Alternate Character Sets
LINE CHARACTERISTICS
INTERFACE SECTION - 14091_301
PAPER-FEED ASSEMBLIES
TOPIC 3IMPACT PRINTERS
Chain and Band Printers
CHARACTER PRINTERS
TOPIC 4NONIMPACT PRINTERS
LASER PRINTERS
Figure 12-14.A laser imaging system
Laser Printer Page Languages
SUMMARYPRINTERS
CONTROL SECTION
Chapter 13 Data Conversion Devices and Switchboards
Figure 13-1.Analog and digital quantity comparisons
THE ANALOG-TO-DIGITAL CONVERTER
BINARY ANGULAR MEASUREMENT
Synchro Systems
SYNCHRO SIGNALS
Synchro-to-Digital (S/D) Conversion
DIGITAL-TO-LINEAR/SCALAR CONVERSION
Figure 13-6.DAC front panel
DAC Functional Description
Figure 13-8.Mounting base.
Base Controls and Indicators
Ready Digital (RD) Data
MULTIPLEXING DATA CONVERTERS
KEYSET CENTRAL MULTIPLEXER
Duplexer and Input/Output (I/O) Logic
Demand Digital (DD) Inputs
Digital Input Channels and Digital Output Channels
DIC Computer Operation
Controls and Indicators (KCMX)
Computer Input Data Register Panel (A1)
Digital Control Logic Panel (A2)
Digital Input Channel (DIC) Logic Panel (A3)
Figure 13-14.Manual switchboard
DIGITAL SWITCHBOARDS
Remotely controlled switchboards
Figure 13-18.Equipment interconnection through the CDS DFCS
Power Distribution Panel - 14091_340
Figure 13-21.R3DLSO-1B/R5DLSO-1B linear movement switch assembly
Switch Control and Potential Transformer ACO Assembly
Figure 13-23.Magnetic tape interconnection through the DFCS
Relay Tester Assembly - 14091_344
Figure 13-27.CSCP controls and indicators
Table 13-6.Matrix Panel Connection Code
ANALOG SWITCHBOARDS - 14091_347
Indicator Panel Assembly - 14091_348
Fuse Tinter Panel Assembly
Snap Switch Panel Assembly
Linear Movement Switches
ANALOG AND DIGITAL QUANTITIES
KCMX INPUT AND OUTPUT
Appendix I Glossary - 14091_355
Appendix I Glossary - 14091_356
Appendix I Glossary - 14091_357
Appendix I Glossary - 14091_358
Appendix I Glossary - 14091_359
Appendix I Glossary - 14091_360
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