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586T
System reference manual
Altos 586T System Reference Manual
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Also See for 586T
:
Setting up
(54 pages)
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Contents
Table of Contents
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Table of Contents
Table of Contents
Chapter 1: Introduction to the 586T/986T
Chapter 2: System Hardware
System Block Diagram
Chapter 3 Central Processing Unit Functions
Memory Management I/O Port Addresses
Hardware Overview
Introduction
8086 Master Processor and System Memory
Memory Organization
Memory Segmentation
Dynamic Relocation
8086 Address Generation
Memory Management Block Diagram
Altos Memory Manager
General Concepts
Memory Manager Operation
Memory User Types
Memory Management Violation Detection
Interrupt Controller
Interrupt Priority Levels
System Counter Timer
Z80A Processor
Calendar Clock
Z80A I/O Addressing
CPU-Controller Interface
System Interfaces
8086 Reset and Initialization
Serial I/O Interfaces RS232C
System Initialization and Operation
User Mode and System Mode
Control Bits
Chapter 31 Central Processing Unit Functions
Control Bits Port Definition
Addressing
I/O Port Decoder Block Diagram
I/O Port Decoder
Memory Management I/O
Error Address Port
Chapter 4 Controller Board Functions
Hardware Overview
Simplified Block Diagram
Z80A Processor
DMA Controller
Data Buses
Local Memory
Hard Disk Controller
Interrupt Controller
Programming
Sector Format
Tape Controller
General Operation
Error Checking
Floppy Disk Controller
CPU-Controller Interface
CPU - Controller Interface
Multibus Interface
Programming
Sector Format
Host to Controller Board Communication Protocol
Parameter Blocks
Controller Initialization
Controller Initial Ization
Channel Control Program
Power-Up
Controller Sequences
Disk Read
Disk Write
Memory Read
Memory Write
Tape-Local Memory Transfers
Floppy Disk-Local Memory Transfers
Addressing
I/O Address Decoders and Ports
Bit Assignments
Chapter 5 Storage Devices
Description
Streaming Tape Unit
Data Integrity
Storage Media
Tape Motion
Serpentine Recording
Drive and Track Selection
Tape Commands
Motion Commands
Read Command
Write Command
Write File Mark Command
Read File Mark
Read Status Command
Status Bytes
Data Format
Underruns
Hard Disk
QIC-24 1/4-Inch Streaming Tape Format
Bard Disk
Operational Characteristics
Floppy Disk
Sector Format
Performance Summary
Operational Characteristics
Performance Summary
Sector Format
Chapter 6 : System Firmware
586T/986T Monitor Program
Monitor Commands
System Commands
RAM Based Debugger
Monitor System Calls
Controller Board Firmware
Appendix A 586T/986T Serial Controller
Appendix B: Cpuboard Jumpers
Appendix C Controller Board Jumpers
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ALTOS_
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586 T/986 T
SYSTEM REfERENCE MANUAl
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Chapters
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Chapter 3 Central Processing Unit Functions
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Chapter 4 Controller Board Functions
66
Chapter 5 Storage Devices
92
Table of Contents
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