Altos 986T Desktop Computer Manuals

Manuals and User Guides for Altos 986T Desktop Computer. We have 2 Altos 986T Desktop Computer manuals available for free PDF download: System Reference Manual, Setting Up

Altos 986T System Reference Manual (163 pages)

Brand: Altos | Category: Desktop | Size: 4 MB

Table of Contents

8
- Chapter 1: Introduction to the 586T/986T
  
  12
- Chapter 2: System Hardware
  
  20
  - System Block Diagram
    24
Chapter 3 Central Processing Unit Functions

28
- Memory Management I/O Port Addresses
  28
  - Hardware Overview
    30
- Introduction
  30
- Dynamic Relocation
  32
  - 8086 Address Generation
    32
- Memory Management Block Diagram
  33
  - Altos Memory Manager
    34
  - General Concepts
    34
  - Memory Manager Operation
    35
  - Memory User Types
    35
  - Memory Management Violation Detection
    36
- Interrupt Controller
  37
- Interrupt Priority Levels
  37
  - System Counter Timer
    37
  - Z80A Processor
    38
  - Calendar Clock
    39
  - Z80A I/O Addressing
    39
  - CPU-Controller Interface
    40
  - System Interfaces
    40
  - 8086 Reset and Initialization
    41
  - Serial I/O Interfaces RS232C
    41
  - System Initialization and Operation
    41
  - User Mode and System Mode
    42
  - Control Bits
    43
- Chapter 31 Central Processing Unit Functions
  
  41
  - Control Bits Port Definition
    45
    
    Addressing
    46
  - I/O Port Decoder Block Diagram
    46
    
    I/O Port Decoder
    46
  - Memory Management I/O
    48
  - Error Address Port
    60
Chapter 4 Controller Board Functions

66
- Hardware Overview
  68
- Simplified Block Diagram
  68
  - Z80A Processor
    69
    
    DMA Controller
    69
    
    Data Buses
    70
    
    Local Memory
    70
    
    Hard Disk Controller
    71
    
    Interrupt Controller
    71
    
    Programming
    72
    
    Sector Format
    72
    
    Tape Controller
    72
    
    General Operation
    74
    
    Error Checking
    75
    
    Floppy Disk Controller
    75
  - CPU-Controller Interface
    76
  - CPU - Controller Interface
    76
    
    Multibus Interface
    76
    
    Programming
    76
    
    Sector Format
    76
    
    Host to Controller Board Communication Protocol
    77
    
    Parameter Blocks
    78
  - Controller Initialization
    82
  - Controller Initial Ization
    82
    
    Channel Control Program
    82
    
    Power-Up
    82
  - Controller Sequences
    83
  - Disk Read
    83
    
    Disk Write
    84
    
    Memory Read
    85
    
    Memory Write
    85
    
    Tape-Local Memory Transfers
    86
    
    Floppy Disk-Local Memory Transfers
    87
  - Addressing
    88
    
    I/O Address Decoders and Ports
    88
    
    Bit Assignments
    89
Chapter 5 Storage Devices

92
- Description
  94
- Streaming Tape Unit
  94
- Data Integrity
  95
- Storage Media
  96
- Tape Motion
  97
- Serpentine Recording
  98
  - Drive and Track Selection
    98
  - Tape Commands
    98
  - Motion Commands
    99
  - Read Command
    99
  - Write Command
    99
  - Write File Mark Command
    99
  - Read File Mark
    100
  - Read Status Command
    100
- Status Bytes
  100
- Data Format
  101
- Underruns
  101
- Hard Disk
  102
- QIC-24 1/4-Inch Streaming Tape Format
  102
- Bard Disk
  103
- Operational Characteristics
  103
  - Floppy Disk
    104
  - Sector Format
    104
- Performance Summary
  103
- Operational Characteristics
  105
- Performance Summary
  105
- Sector Format
  106
- Chapter 6 : System Firmware
  
  110
  - 586T/986T Monitor Program
    110
  - Monitor Commands
    114
  - System Commands
    119
  - RAM Based Debugger
    120
  - Monitor System Calls
    124
  - Controller Board Firmware
    130
- Appendix A 586T/986T Serial Controller
  
  134
- Appendix B: Cpuboard Jumpers
  
  156
- Appendix C Controller Board Jumpers
  
  156

Altos 986T Setting Up (54 pages)

Brand: Altos | Category: Desktop | Size: 1 MB

Table of Contents
6
Chapter 1 Choosing a Location

8
Chapter 2 Setting up Your System

10
Chapter 3 Starting Your System

14
- Before You Begin
  14
- Turning the Terminal on
  14
- Turning the System on
  14
- Problem Checklist
  15
Chapter 4 Using and Backing up Diskettes

18
Chapter 5 Running the System Confidence Tests

22
- Running the Tests
  24
Chapter 6 Using the Utility Programs

26
Chapter 7 Where Do You Go Next

34
- Operating Systems
  34
- Related Altos Manuals
  34
Chapter 8 Using Tape Cartridges

36
- Handling Tape Cartridges
  36
  - Protecting Your Data
    36
- Inserting and Removing a Tape Cartridge
  37
Chapter 9 Preventive Maintenance

40
- Cleaning the Head Assembly
  40
- Chapter IS Connecting a Printer
  42

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Altos 986T Desktop Computer Manuals

Altos 986T System Reference Manual (163 pages)

Table of Contents

Table of Contents

Chapter 1: Introduction to the 586T/986T

Chapter 2: System Hardware

Chapter 3 Central Processing Unit Functions

Chapter 31 Central Processing Unit Functions

Chapter 4 Controller Board Functions

Chapter 5 Storage Devices

Chapter 6 : System Firmware

Appendix A 586T/986T Serial Controller

Appendix B: Cpuboard Jumpers

Appendix C Controller Board Jumpers

Altos 986T Setting Up (54 pages)

Table of Contents

Chapter 1 Choosing a Location

Chapter 2 Setting up Your System

Chapter 3 Starting Your System

Chapter 4 Using and Backing up Diskettes

Chapter 5 Running the System Confidence Tests

Chapter 6 Using the Utility Programs

Chapter 7 Where Do You Go Next

Chapter 8 Using Tape Cartridges

Chapter 9 Preventive Maintenance

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