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Atari 520ST

Atari 520ST
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Atari 520ST Specifications

General IconGeneral
ManufacturerAtari Corporation
Release Date1985
ProcessorMotorola 68000
Processor Speed8 MHz
RAM512 KB
ROM192 KB
Graphics320x200 (16 colors), 640x200 (4 colors), 640x400 (monochrome)
SoundYamaha YM2149F PSG
StorageSingle-sided 3.5" floppy drive (360 KB)
Operating SystemAtari TOS
PortsMIDI
Power SupplyInternal

Summary

Important Information and Safety

Connecting System Peripherals

Chapter 2: Setting Up the ST System

Unpacking the ATARI ST System

Provides instructions for carefully unpacking the computer, monitor, and disk drive components.

Contents of the ST Computer Box

Lists the items included in the 'ST Computer' package.

Monitor and Disk Drive Manuals

Mentions that separate manuals are provided for the monitor and disk drive unpacking.

Hooking Up the ATARI ST System

Choosing an Optimal System Location

Gives advice on selecting a suitable location for the computer system, avoiding heat and moisture.

Connecting the Computer Components

Connecting the Computers Power and Peripherals

Step-by-step guide for connecting the computer's power adapter and external devices.

Connecting the Monitor

Instructions for connecting the monitor's video cable and power supply.

Connecting the Disk Drive

Guides on connecting the disk drive using its interface cable to the computer.

Connecting Input Devices

Disk Drive Power and Mouse Connection

Details connecting the disk drive's power and plugging in the mouse correctly.

Connecting a Second Disk Drive

Daisy Chaining Floppy Disk Drives

Explains the process of connecting a second floppy disk drive using daisy chaining.

Turning On the ATARI ST System

Initial System Startup Procedures

Guides on checking connections and powering on the monitor, disk drive, and computer.

Inserting the TOS System Disk

Instructions on how to properly insert the TOS System Disk into the floppy disk drive.

System Boot and GEM Desktop Appearance

Responding to System Prompts

Details on how to respond to the 'OK' prompt or use the keyboard's Return key.

GEM Desktop Display after Boot

Describes the appearance of the GEM Desktop once the system has successfully booted.

Chapter 3: Understanding the Keyboard

Chapter 4: Getting Started with GEM Desktop

Introduction to the GEM Desktop Interface

Introduces the GEM Desktop, its icons (Floppy Disk, Trash), and the Menu Bar.

Controlling the Mouse Pointer

Mouse Operation and Button Functions

Explains how the mouse detects motion and the primary functions of its two buttons.

Mapping Mouse Movements to Pointer

Demonstrates how physical mouse movements translate to cursor pointer actions on the screen.

Mouse Pointer Control with Keyboard Keys

Pointing and Selecting Icons

Explains the process of selecting icons by positioning the mouse pointer and clicking.

Mouse Clicking for Icon Selection

Selecting an Icon with a Mouse Click

Details the action of selecting an icon by pressing and releasing the left mouse button.

Mouse Dragging for Object Manipulation

Moving Icons by Dragging

Explains how to move icons on the GEM Desktop by pressing, holding, and dragging the mouse button.

Opening and Managing GEM Desktop Windows

Understanding GEM Desktop Window Elements

Manipulating GEM Desktop Windows

Advanced Window Management

Closing GEM Desktop Windows

GEM Desktop Menus and File Display

Accessing GEM Desktop Menus

Explains how to navigate the Menu Bar (Desk, File, View, Options) to access commands.

Dialog Boxes and System Backup

Making a System Backup Disk

Stresses the importance of creating a backup disk and lists required materials.

Formatting a Disk for Backup

Formatting the Backup Disk

Guides through the process of formatting a blank floppy disk for system backup.

Copying the TOS System Disk

Copying TOS System Files to Backup Disk

Details the steps for copying the original TOS System Disk to the newly formatted backup disk.

Completing the System Backup Process

Finalizing Backup and Disk Labeling

Instructs on completing the copy process, exiting, and labeling the backup disk.

Chapter 5: The Opening Menu

VT52 Emulator and Control Panel Configuration

Overview of the Control Panel

Introduces the Control Panel and lists its five main sections for system adjustments.

Configuring System Settings via Control Panel

Setting the Clock and Calendar

Guides on setting the system's clock and calendar through the Control Panel interface.

Adjusting Keyboard Response Speed

Explains how to adjust key repeat delay and speed using the Keyboard Response Selector.

Advanced Control Panel Adjustments

Mouse Click Response Time Adjustment

Details how to adjust the double-click speed for mouse interaction.

Audio Feedback and Palette Controls

Explains enabling/disabling audio feedback and managing color palettes.

RS232 Configuration and File Menu

File Menu Operations and Printer Setup

File Menu Actions: Open and Show Info

Opening Files, Folders, and Programs

Explains how to open files, folders, or launch programs using the Open option.

Managing Files and Creating Folders

Creating New Folders for Organization

Guides on creating new folders to organize files and data on the disk.

File and Disk Management Operations

Formatting Floppy Disks

Details the process of preparing a floppy disk for data storage by formatting it.

Disk Formatting Procedures

Formatting Process and Disk Naming

Continues formatting instructions, including naming the disk and checking capacity.

VIEW Menu: Displaying Files

OPTIONS Menu: System Configuration

Application Installation and Preferences

System Preferences and Screen Printing

Chapter 6: Managing Disks, Files, and Folders

Write-Protecting Floppy Disks

Explains how to prevent accidental data overwriting by write-protecting disks.

Disk Protection and Care

Write-Protecting Disks: Methods

Provides detailed methods for write-protecting floppy disks using the notch or sliding tab.

Working with Files on the ATARI ST

Copying Files Between Locations

Guides on copying files between disks or into folders using drag-and-drop.

File Copying Procedures

Copying Files via Text View

Details how to copy files when displayed in text format and confirms copy dialog.

Copying Files into Folders

Dragging Files into Target Folders

Explains how to copy a file into a specific folder by dragging its icon.

File and Folder Management

Deleting Files

Guides on deleting files by dragging them to the Trash icon for permanent removal.

Creating and Accessing Folders

Creating New Folders

Guides on creating new folders using the File menu and the 'New Folder' option.

Opening and Deleting Folders

Deleting Folders from the Desktop

Deleting Folders

Guides on deleting folders by dragging them to the Trash icon.

Appendix A: Troubleshooting Common Issues

Screen Issues on System Startup

Troubleshooting steps for a dark screen when turning on the computer.

GEM Desktop Icon Visibility Problems

Solutions for the GEM Desktop appearing without any visible icons.

Troubleshooting Keyboard and Mouse

General Problem Diagnosis

Appendix B: ATARI ST Mouse Care

Appendix D: Connector Pinout Specifications

Peripheral Port Pinout Details

Data and Cartridge Connector Pinouts

Input Device Connector Pinouts

Appendix E: ATARI 520 ST Specifications

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