ACT apricot - Introduction

List of Contents
Page
INTRODUCTION ..................................... '" ........ ...... .... 1
DESCRIPTION .. ........... .... ...... ........... ......... ...... ........ ...... 1
Processors . .. . ... .. ...... .. . ...... .... .. .. . . .. .. .... . ........ ... .... ........ .... .. 1
Communications Handling ........................................... 2
Sound Generation ........................................................... 3
System Memory .............................................................. 3
CRT controller ................................................................ 4
Floppy
Disk Controller ................................................... 4
Expansion Slots .................................................... '........... 4
Interrupt Controller ........................................................ 4
Timer ............................................................................... 4
Input/Output Space ........................................................ 5
INTRODUCTION
The architecture of the Apricot System Board can be split
into 9 main sections, as detailed below:
1. Processors
2. Communications
3. Sound Generation
4. System Memory
5. Expansion Slots
6. CRT control
7. Floppy Disk control
B. Interrupt Handling
9. Timer
DESCRIPTION
Processors
The Apricot has, as standard, two 16-bit processors: the
Intel BOB6 microprocessor and the Intel BOB9 I/O processor.
Available as
an option is the BOB 7 Mathematics co-
processor.