Amiga Workbench 13 — Adf Repack
The Amiga Workbench 1.3 ADF Repack: A Comprehensive Guide
The Amiga computer, released in 1985, was a groundbreaking machine that revolutionized the home computer market with its advanced graphics and sound capabilities. One of the key features of the Amiga was its operating system, known as Workbench, which provided a user-friendly interface for navigating and managing files. In this article, we'll explore the process of repacking an Amiga Workbench 1.3 ADF (Amiga Disk Format) file, a task that has become increasingly popular among retro computing enthusiasts and collectors.
What is an ADF file?
An ADF file is a disk image format used to store Amiga floppy disk contents. ADF files contain a bit-for-bit copy of the original disk, including the file system, files, and metadata. These files are commonly used to distribute and preserve Amiga software, including games, demos, and operating systems.
What is Workbench 1.3?
Workbench 1.3 is the third major release of the Amiga operating system, released in 1988. This version of Workbench introduced several significant improvements, including support for the Amiga 500 and Amiga 2000 hardware, as well as enhancements to the user interface and file management features. Workbench 1.3 became a widely used and popular version of the Amiga OS, and it remains a sought-after version among collectors and enthusiasts.
Why Repack an ADF File?
There are several reasons why someone might want to repack an ADF file, particularly in the context of Workbench 1.3:
- Data preservation: Repacking an ADF file helps to ensure the long-term preservation of the data contained within. By creating a new ADF file, you can verify the integrity of the data and ensure that it remains accessible for future generations.
- Error correction: Repacking an ADF file provides an opportunity to correct errors or inconsistencies that may have developed over time. This can help to ensure that the data is accurate and reliable.
- Compression and optimization: Repacking an ADF file can also be used to compress and optimize the data, making it easier to store and transfer.
Tools and Software Required
To repack an Amiga Workbench 1.3 ADF file, you'll need to use specialized software and tools. Some popular options include:
- ADF Tools: A set of command-line utilities for working with ADF files, available for Windows, macOS, and Linux.
- Workbench Explorer: A graphical tool for navigating and managing ADF files, available for Windows and macOS.
- UAE (Unix Amiga Emulator): A popular emulator for running Amiga software on modern hardware.
Step-by-Step Guide to Repacking an ADF File
Here's a step-by-step guide to repacking an Amiga Workbench 1.3 ADF file:
Method 1: Using ADF Tools
- Download and install ADF Tools on your computer.
- Locate the Workbench 1.3 ADF file you want to repack.
- Open a command prompt or terminal window and navigate to the directory containing the ADF file.
- Use the
adftoolcommand to verify the integrity of the ADF file:adftool verify -f workbench_1.3.adf - If the verification process completes successfully, use the
adftoolcommand to repack the ADF file:adftool repack -f workbench_1.3.adf -o workbench_1.3_repacked.adf
Method 2: Using Workbench Explorer
- Download and install Workbench Explorer on your computer.
- Launch Workbench Explorer and select the Workbench 1.3 ADF file you want to repack.
- Click on the "Tools" menu and select "Repack ADF".
- Follow the on-screen instructions to complete the repacking process.
Method 3: Using UAE
- Download and install UAE on your computer.
- Configure UAE to use the Workbench 1.3 ADF file as a disk image.
- Boot the Amiga emulator and navigate to the Workbench 1.3 desktop.
- Insert a blank disk image into the emulator's disk drive.
- Use the Amiga's built-in " Disk Copy" tool to copy the contents of the original ADF file to the blank disk image.
- Save the new disk image as a repacked ADF file.
Conclusion
Repacking an Amiga Workbench 1.3 ADF file is a straightforward process that requires specialized software and tools. By following the steps outlined in this article, you can help to preserve the data contained within the ADF file, correct errors, and optimize the file for future use. Whether you're a retro computing enthusiast, collector, or simply someone interested in preserving Amiga history, repacking an ADF file is an essential skill to have in your toolkit.
Additional Tips and Resources
- Always make a backup copy of the original ADF file before attempting to repack it.
- Use a high-quality ADF file viewer to verify the contents of the repacked ADF file.
- Consider using a checksum or hash function to verify the integrity of the repacked ADF file.
- For more information on ADF files and Amiga preservation, visit the following resources:
- Amiga Preservation Society
- Retro Computing Archive
- Amiga Subreddit community
By following the steps and tips outlined in this article, you'll be well on your way to successfully repacking an Amiga Workbench 1.3 ADF file and contributing to the preservation of Amiga history.
If you're looking to repack or handle Amiga Workbench 1.3 ADF (Amiga Disk File) files—whether to clean up a personal collection or to create a bootable disk for hardware/emulation—here is the essential guide to the process. Workbench 1.3 ADF Repack Overview
A "repack" typically involves taking the standard Commodore Workbench 1.3 files and optimizing them, adding essential utilities, or converting file-based backups back into a bootable ADF image.
Primary Objective: To have a clean, bootable 880KB disk image that contains the Workbench 1.3.x OS and necessary "Extras". Key Files:
Workbench 1.3: The core OS files (System, C, L, Devs, Libs).
Extras 1.3: Supplemental tools and BASIC programming environment. Tools for Repacking ADFs
To move files from a modern PC into an ADF or to reorganize them on an Amiga, you'll need specific software:
ADFOpus (Windows): A powerful tool for PC users to open ADF files, inject new files, and delete unwanted bloat to "repack" the image.
TSGui (Amiga): If you are working on real hardware, TSGui is the gold standard for writing ADF images to physical floppies or reading floppies into ADF format directly on Workbench 1.3.
WinUAE / FS-UAE: Emulators are the best environment to test your repack. You can mount a blank ADF and a folder of files to manually copy and organize your "perfect" Workbench setup. How to Repack Your Own Workbench 1.3 If you have a set of files and want to create a clean ADF:
Create a Blank ADF: Use an emulator or ADFOpus to create a standard 880KB Amiga DOS formatted disk. Essential Directory Structure: Ensure your repack includes: C: Commands (like Dir, Copy, Info) Devs: Device drivers (like keymaps, printers) Libs: Shared libraries (crucial for software to run) S: Startup-sequence (the script that boots the OS)
Optimizing Space: Workbench 1.3 disks are small. Most repacks remove printer drivers you don't use or large demo files from the "Extras" disk to make room for file managers like Directory Opus 4. Where to Find Prepared Repacks
For those who don't want to build their own, community-sourced repacks often include bug fixes (like the 1.3.3 update) or pre-installed utilities. Discussions and files can often be found on: Amiga.org Forums for technical help on conversion.
English Amiga Board (EAB): The primary hub for custom ADF "packs."
The Amiga Vault: A community group often sharing preservation packages.
Amiga Workbench 1.3 ADF repack typically refers to a custom-curated version of the classic 1.3 operating system. Unlike a standard raw disk image (ADF) that just contains the factory files, a repack often bundles essential enhancements, drivers, and utilities into a single, bootable image to save users the tedious work of manual installation. Key Features of a Repack Modern 1.3 repacks often include: Fast File System (FFS):
Essential for hard drive booting and improved performance over the original standard filesystem. Enhanced Shell: A more robust command-line interface (often the ) featuring scrollbars and improved window handling. Icon Libraries: amiga workbench 13 adf repack
Modified icon sets with transparent backgrounds or higher color counts (up to 32 colors) to modernise the 1.3 look. Essential Utilities: Integrated tools like Directory Opus File Master
for file management, which were not part of the original distribution. Pre-configured Startup: An optimized Startup-Sequence
that automatically mounts RAM drives or sets up common keyboard maps like GB2 for Windows users. How to Use a 1.3 ADF Repack
The “Repack” Phenomenon
A standard ADF of Workbench 1.3 is a 1:1 clone of a factory disk. So why the term “repack”?
In the emulation and archival scene, a repack usually means one of the following modifications to the original disk image:
Step 3: Mount the Repack ADFs
- Insert Disk 1 (repack) into DF0:
- If multi-disk: Disk 2 into DF1: (or swap via emulator).
7. Handling Copy Protection and Corrupt Disks
- For copy-protected disks, flux-level capture (KryoFlux/IPF) is required to preserve nonstandard track/sector patterns.
- If flux capture fails, document read errors and attempt multiple drives or heads.
- For partially corrupt disks, extract intact file contents and document missing/corrupt sectors in manifest.
Features & Improvements
1. The "AmigaDOS 1.3" Stability The core of the Repack remains the legendary AmigaDOS 1.3. This is the version that supports the majority of vintage games (titles released between 1986–1990). For gamers, this is crucial because it ensures the best backward compatibility without the memory overhead of Workbench 2.0 or 3.1.
2. Integrated Utilities A good Repack comes pre-loaded with essential tools that were previously separate:
- FastMem First: A tool that prioritizes Fast RAM, speeding up operations on expanded Amigas (like the A500 with Trapdoor memory).
- NoClick: A patch that stops the floppy drive from "clicking" every few seconds when no disk is present.
- DiskCopy & Format: Readily available on the boot disk.
3. Hard Drive Compatibility
While Workbench 1.3 originally booted from floppy, modern users often run it from CF cards or HDF (Hard Disk File) images. Many Repacks include the necessary MountList entries and Startup-Sequence modifications to make installing 1.3 to a hard drive painless—a task that was notoriously difficult with the raw Commodore disks.
4. Aesthetics and Customization Because the Amiga OS was highly customizable, Repacks often ship with a "Modernized" default palette. Instead of the standard blue/white/orange interface, users might find a cleaner grey/white scheme that looks more professional and easier on the eyes on modern LCD monitors.
14. Conclusion
Repacking Amiga Workbench 1.3 into ADF images requires balancing fidelity, legal care, and practicality. Use flux-level captures for authenticity, maintain detailed manifests and checksums, test images in emulators, and clearly distinguish archival masters from convenience distributions.
If you want, I can:
- produce ready-to-use shell scripts to automate imaging, checksumming, and manifest generation (Linux), or
- generate a sample ZIP-ready distribution layout with filenames and manifest filled with placeholder checksums.
The Ultimate Guide to Amiga Workbench 1.3 ADF Repacking For many Amiga enthusiasts, Workbench 1.3
remains the definitive classic operating system experience. However, the original 880KB floppy disk format often feels cramped when you want to add modern tools or essential drivers. Repacking an ADF (Amiga Disk File)
allows you to create a customized, bootable image tailored for your emulator or physical hardware. Why Repack Workbench 1.3?
Standard Workbench 1.3 disks are often cluttered with files you might not need (like various demos or printer drivers) while lacking others (like a decent text editor or updated filesystem). By repacking, you can: Save Space
: Remove unnecessary files to make room for custom utilities. Add Fast File System (FFS) : Improve disk performance and storage capacity. Pre-configure Environments : Include your own S:Startup-Sequence so the system boots exactly how you want. How to Create Your Own Repack
To manually repack a Workbench disk, you generally have two paths: using an emulator like or working on original hardware. Extract the Original ADF : Use a tool like
to open your legal Workbench 1.3 ADF and copy all files to a folder on your PC. Prune and Polish : In your temporary folder, keep the essential directories: . You can often delete large printer drivers from Devs:Printers if you don't use them. Create a New ADF
: Use an emulator to format a "blank" ADF. If you want more space, you can format it as a "Custom" or "High Density" disk, though 880KB is safest for maximum compatibility. Make it Bootable
: This is the critical step. On the Amiga (or via emulator), use the CLI command: Install DF0:
This writes the bootblock to the disk image so it can actually start the Amiga. Copy Files Back
: Copy your modified files into the new ADF, ensuring the directory structure remains identical to the original. Essential Software for Repacking
If you prefer not to do everything by hand, several community-trusted programs can assist:
: A "fantastic little prog" for transferring and writing ADF images directly on an Amiga.
: A modern alternative for writing ADFs to real floppies, especially useful if you are using an Amiga 1200 to create disks for an older A500. FlashFloppy
: If you use a Gotek drive, this firmware allows you to simply copy your repacked ADF to a USB drive and boot it instantly. Pro Tip: The "Fast" Way
If you simply need a functional Workbench without the hassle of manual file management, many "repack" versions—often called "WB 1.3 Plus" "Essential WB 1.3"
—are shared in retro communities. These typically come pre-loaded with the Fast File System (FFS) and basic disk tools. to include in your customized create workbench disk - English Amiga Board
Repacking an Amiga Workbench 1.3 ADF (Amiga Disk File) is a common task for enthusiasts who want to create a custom boot disk, add essential utilities, or optimize storage for use with emulators like WinUAE or hardware like the Gotek drive. 1. Preparation & Tools
To modify and repack an ADF, you need a way to read and write to the Amiga's proprietary file system (OFS/FFS).
WinUAE: The most versatile tool. You can mount a blank ADF and a source ADF simultaneously to move files.
ADFOpener or ADFView: Windows shell extensions that allow you to browse ADFs like folders.
Total Commander (with AmigaDX plugin): A powerful way to manage files between your PC and the ADF. 2. Creating the Base Disk Before adding files, you need a clean container.
Create a Blank ADF: In WinUAE, go to the "Floppy Drive" settings and select "Create Standard Disk." Label it something like Workbench_1.3_Custom. The Amiga Workbench 1
Format the Disk: Boot into a standard Workbench 1.3 environment. Insert your blank disk and select Disk -> Format. Use the Fast File System (FFS) if you only plan to use it on Kickstart 1.3 or higher, though "Old File System" is safest for maximum compatibility. 3. Essential File Structure
A "proper" repack must maintain the original directory structure to remain bootable and functional:
s/: Contains the startup-sequence. This is the first script the Amiga runs. c/: Command binaries (e.g., List, Copy, Ed). libs/: Required library files (e.g., version.library).
devs/: Device drivers (e.g., system-configuration, printer drivers). l/: Handler files for file systems. 4. Customizing the Repack
To make the disk more useful, consider adding these common "Power User" tweaks:
Edit the Startup-Sequence: Open s/startup-sequence with a text editor. You can remove the LoadWB command if you want the disk to boot straight into a specific program or CLI.
Add "SetPatch": Ensure the SetPatch command is at the very top of your startup-sequence to apply official Commodore OS bug fixes.
Strip Unnecessary Files: To save space, delete the System/ folder or printer drivers in Devs/ if you don't need them. This frees up room for utilities like DiskCopy or Quarterback. 5. Finalizing & Testing
Write Protect: Once your files are moved and the disk is configured, "Eject" it from your virtual drive.
Test in WinUAE: Set your emulator to a "Quickstart" A500 configuration. Mount your repacked ADF as DF0:.
Check Free Space: Use the Info command in the CLI to ensure you haven't overfilled the disk, as this can cause write errors later. Common Troubleshooting
"Not a DOS Disk": This usually means the bootblock is missing. Use the Install DF0: command in the CLI to write a bootblock to your custom ADF.
Checksum Errors: If you get errors during the repack, it’s often due to a corrupted source ADF. Always start with a verified "No-Intro" or TOSEC disk image.
The Amiga 500 and its iconic Workbench 1.3 operating system represent the golden era of 16-bit computing. For many enthusiasts, the blue, white, and orange interface isn’t just a GUI; it’s a portal to a world of revolutionary multitasking and creative potential.
However, using original floppy disks in the modern age is a recipe for data rot and hardware failure. This is where the Amiga Workbench 1.3 ADF repack comes into play. Whether you are using a real Amiga with a Gotek drive or an emulator like WinUAE, having a clean, optimized ADF (Amiga Disk File) is essential. What is an Amiga Workbench 1.3 ADF Repack?
An ADF repack is a digital image of the original Workbench 1.3 floppy disk that has been modified or optimized for modern use. While "raw" dumps of original disks exist, they often contain "garbage" data in empty sectors or lack the specific drivers needed for modern storage solutions. A high-quality repack usually offers:
Clean Sectors: Zeroed-out empty space to ensure better compression and faster loading.
Essential Libs: Inclusion of common libraries needed for 1.3-era software.
Compatibility: Verified checksums to ensure the OS doesn't crash during disk-intensive operations. Why Stick with Version 1.3?
While Workbench 2.0 and 3.1 brought more features and a "cleaner" look, Workbench 1.3 remains the standard for the Amiga 500.
Memory Efficiency: 1.3 has a tiny footprint, leaving more of your 512KB or 1MB Chip RAM available for games.
The "Kickstart" Factor: Most OCS (Original Chip Set) Amigas have the 1.3 Kickstart ROM. Using a 1.3 Workbench ADF ensures 100% hardware compatibility without needing a soft-kicker.
Nostalgia: The "vibrant" color palette is the definitive Amiga look for many retro gamers. How to Use the Workbench 1.3 ADF
Once you have acquired a legal repack (usually sourced from the Amiga Forever package or Cloanto for legal compliance), here is how to deploy it: On Real Hardware (Gotek/FlashFloppy) Copy the Workbench1.3.adf file to your USB stick. Insert the stick into your Gotek drive.
Select the image using the Gotek’s OLED screen or the on-screen selector.
The Amiga will boot directly into the Workbench environment. On Emulators (WinUAE / FS-UAE) Open your emulator settings. Navigate to the Floppy Drives tab. Path the DF0: drive to your Workbench 1.3 ADF repack.
Ensure your ROM is set to Kickstart 1.3 for the smoothest experience. Essential Tools for Your Repacked Disk
To make the most of your 1.3 environment, you’ll want to ensure your ADF includes (or you add) these classic utilities:
Directory Opus 4: The definitive file manager for the Amiga.
SysInfo: To check your hardware specs and ensure your "repack" is running at full speed.
LHA/LZX: Essential decompression tools for installing software from Aminet. Conclusion
The Amiga Workbench 1.3 ADF repack is the backbone of any retro Amiga setup. It provides a stable, nostalgic, and efficient environment for running the thousands of classic titles that made the Amiga famous. By using a clean, repacked image, you eliminate the risks of physical disk failure while keeping the 16-bit spirit alive.
Repacking an Amiga Workbench 1.3 ADF (Amiga Disk File) involves customizing the contents of a standard 880KB floppy image to optimize it for specific hardware (like an A500) or to include modern enhancements while staying within the strict constraints of Kickstart 1.3. 1. Core Objectives of a 1.3 Repack A typical repack aims to:
Optimize Disk Space: Remove non-essential files like AmigaBasic, demos, or certain fonts to make room for utilities. Data preservation : Repacking an ADF file helps
Enhance Usability: Add modern tools such as ADF2DISK for writing images back to physical disks or improved text viewers like Fullview.
Aesthetic Improvements: Incorporate 8-color icon sets (like MagicWB icons) or custom system fonts like Pearl 8x8. 2. Technical Repacking Workflow
To create a custom ADF, you generally follow a cycle of extraction, modification, and re-imaging:
Amiga 1200 CF Install with WHDLoad & Classic Workbench Tutorial
Amiga Workbench 1.3 into custom ADF (Amiga Disk File) images is a staple for retro-computing enthusiasts who want a streamlined experience on original hardware or emulators like
. By stripping out unused drivers and adding power-user tools, you can transform a basic 1.3 environment into a "maximized" floppy that feels like a modern OS. Why Repack Workbench 1.3?
Standard Workbench 1.3 disks are often cluttered with unnecessary language files or printer drivers. Repacking allows you to: Optimize Space : Clear out /Devs/Printers to make room for essential utilities. Enhance Aesthetics
: Replace the standard 8x8 font with higher-quality versions like using built-in system tools. Modernize Functionality : Add tools like to manage ADF files directly on your Amiga or for image mounting. Recommended Tools for Your Repack
To build a truly "helpful" Workbench 1.3 ADF, consider including these essentials: Disk Management
is widely considered the best GUI-based tool for transferring ADF images back to physical floppies on a 1.3 system. System Diagnostics Amiga Test Kit
is a bootable necessity for testing hardware like keyboards and disk drives. Filesystem Support
: If you are using hard drives or large CF cards, adding the
(Professional File System) handler is critical for supporting partitions larger than 4 GB. Creating the Repack Mount a Blank ADF
: Use an emulator to mount a standard Workbench 1.3 image and a blank 880k floppy image. Copy Essential Files : Use the CLI command (e.g., Copy DF0: DF1: ALL CLONE ) to move the core OS structure. Trim the Fat
: Delete non-essential printer drivers and "The Very First" tutorial files to free up significant blocks. Inject Utilities : Copy your chosen tools ( Amiga Test Kit ) into the Edit Startup-Sequence
: Customize your boot process to set up the environment, such as pre-loading custom fonts or setting the MaxTransfer to prevent data corruption on modern storage.
For those who prefer hardware solutions over software repacks, a Gotek drive emulator
allows you to boot your custom ADFs from a USB stick, bypassing the fragility of physical floppy disks entirely. specific CLI commands to automate the file-copying process for your repack? TSGui - Copy ADFs On Workbench 1.3 with GUI - Shot97 Retro
The Amiga Workbench 1.3 ADF (Amiga Disk File) repack is a significant artifact in the world of retrocomputing, representing both a functional necessity for modern enthusiasts and a preservation of computing history. To understand its importance, one must look at the technical architecture of the Commodore Amiga, the evolution of disk preservation, and the needs of the contemporary emulation community. The Technical Context: Workbench 1.3
Released in 1987, Workbench 1.3 is often considered the definitive version of the "classic" Amiga operating system. It accompanied the height of the Amiga 500's popularity. Unlike modern operating systems that reside on massive hard drives, Workbench 1.3 was designed to run from a single 880KB double-density floppy disk. It provided the essential "Kickstart" to the machine’s multitasking capabilities, offering a GUI (Graphical User Interface) that was years ahead of its contemporary, MS-DOS. The Need for ADF Repacks
The term ADF refers to a digital track-by-track copy of an original Amiga floppy disk. As physical disks from the late 1980s succumb to "bit rot" and physical degradation, these digital images have become the primary way to experience the platform via emulators like WinUAE or hardware replacements like the Gotek floppy emulator.
A repack typically refers to a modified or optimized version of the original Workbench 1.3 disk image. These repacks are created for several reasons:
Storage Optimization: While the original disk had limited space, repacks often strip out unnecessary printer drivers or localized files to make room for essential third-party utilities (like LHA for file extraction or TransDisk).
Ease of Use: Standard Workbench 1.3 can be sparse. Repacks often include "Quality of Life" improvements, such as pre-configured shell environments, improved icons, or "FastFileSystem" support.
Compatibility: Some repacks are tailored for specific hardware configurations, ensuring that the disk boots reliably on modern FPGA clones like the MiSTer or the Amiga A500 Mini. Cultural and Preservation Impact
The "Amiga Workbench 1.3 ADF Repack" is more than just a software bundle; it is a bridge between generations. For the original "Amigians," it is a way to reclaim the tactile feel of their first computer without the frustration of failing 30-year-old magnetic media. For newcomers, it provides a curated entry point into a complex ecosystem.
The hobbyist nature of these repacks—often distributed via community forums and "abandonware" sites—highlights the DIY spirit of the Amiga community. They represent a collective effort to keep the "Boing Ball" spinning, ensuring that the unique aesthetic and technical prowess of the Amiga 1.3 era remain accessible in a digital-first world. Conclusion
The Amiga Workbench 1.3 ADF repack is a testament to the platform's enduring legacy. By condensing the soul of a 1980s powerhouse into a modern, optimized file format, the community ensures that the Amiga remains not just a memory, but a functional, living piece of computing history.
Amiga Workbench 1.3 ADF repacks are modified digital disk images designed to modernize the classic 1988 operating system for use on original hardware (via Gotek drives) or emulators like WinUAE. These repacks typically integrate third-party tools to overcome the significant usability limitations of the stock v1.3 release. Key Improvements in Repacks Old Blue Workbench build on Amiga 500 - Epsilon's World
Part 2: What is an "ADF Repack"?
Let’s dissect the keyword phrase: Amiga Workbench 1.3 ADF Repack.
- ADF: Amiga Disk File. A raw sector-by-sector image of a standard 880KB Amiga floppy disk.
- Repack: This is the critical component. A repack is not simply a zipped folder of old ADFs. It implies a curated, reconstructed, and optimized set of disk images.
🔹 Why “Repack”?
Some ADFs floating online have bad sectors, wrong bootblocks, or mixed versions. This repack:
- Rebuilds from verified source IPFs
- Standardizes disk geometry (DD, 880KB)
- Applies no extra compression – pure
.adf
Part 8: Where to Find a Trusted Amiga Workbench 1.3 ADF Repack
Do not trust random torrents. Look for these markers of a quality repack:
- File Size: A standard Workbench 1.3 ADF is exactly 901,120 bytes (880KB). Any deviation indicates a bad dump.
- CRC32 Checksums: A trusted repack will publish the checksums:
- Workbench v1.3 (rev 34.20):
CRC32: AFFB81D7 - Extras v1.3:
CRC32: ADFD9C9A
- Workbench v1.3 (rev 34.20):
- Community Sources:
- Archive.org (Search for "Amiga Workbench 1.3 TOSEC")
- The Eyebrow (Amiga scene FTP)
- AmigaLove Forums (Verified user uploads)
- EAB (English Amiga Board) – The Zone!
Avoid "self-booting" repacks that modify the startup-sequence to load a game selector—those are not pure Workbench environments.