80386EX

My adventures with my favourite chip

The code for this project is available on GitHub

Table of Contents

Introduction

– Background

– 80386

Hardware

– The 80386EX Chip

– The SBC-386EX Board

Boot

– Introduction

– Initial State

– – CPU

– – Peripherals

– – – Access
– – – – Memory
– – – – I/O Ports

– – Summary

– First instructions

– – Tiny first steps

– – Sequence

– Load Operating System

– – Loader