Driver Windows 10 - Edirol Ua-20
Title: The Complete Guide to Getting Your Edirol UA-20 Working on Windows 10 Introduction In the world of home recording and mobile music production, few interfaces have achieved the legendary status of the Roland Edirol UA-20. Released in the early 2000s, this sturdy, USB-powered blue box was a staple for musicians on the go. It was reliable, had low latency for its time, and featured Roland’s high-quality preamps. However, if you’ve recently upgraded your computer or dug your old UA-20 out of the closet to use with a modern Windows 10 machine, you’ve likely encountered a frustrating reality: there is no official driver download on the Roland website. For many users, plugging in the UA-20 results in a "Device Unsupported" error or simply no sound at all. This has led countless producers to abandon perfectly good hardware, assuming it is obsolete. But before you toss your trusted interface in the e-waste bin, there is good news. The Edirol UA-20 can work on Windows 10, and often quite well, if you know where to look and which specific workaround to use. This comprehensive guide will walk you through the history of the driver issue, the technical workarounds to get your interface running, and troubleshooting tips to ensure your legacy gear stays in your signal chain.
The Driver Dilemma: Why Support Ended To understand how to fix the problem, it helps to understand why it exists. The Edirol UA-20 was designed during the transition from Windows 98/ME to Windows XP. It utilized a specific driver architecture that Roland supported meticulously for years. However, technology marches on. When Microsoft released Windows Vista, and subsequently Windows 7, 8, and 10, the underlying audio architecture of the operating system (WASAPI) changed significantly. Manufacturers often stop supporting hardware after a certain lifecycle to encourage sales of newer models. The Edirol UA-20 (and its siblings like the UA-1A, UA-1D, and UA-1X) eventually hit this "End of Support" list. If you visit the official Roland support page for the UA-20 today, you will likely find a notice stating that the driver is no longer available or that the unit is "not supported" on your operating system. This does not mean the hardware is broken; it simply means the software bridge between the hardware and Windows 10 has not been updated by the manufacturer. Method 1: The Legacy Driver Hack (Advanced Users) For a long time, the community discovered that the driver for the Edirol UA-25 (a slightly newer but similar model) could be hacked to work with the UA-20. This involved downloading the UA-25 driver for Windows 10, extracting the files, and editing the .inf file to recognize the UA-20's hardware ID. While effective, this method is risky. Editing system files can lead to instability, and the UA-25 driver architecture isn't a perfect match for the UA-20's internal DSP, sometimes resulting in glitches or high latency. Method 2: The "UA-1A" Workaround (Recommended) The most reliable and stable method discovered by the audio community involves a bit of identity theft. The Edirol UA-20 shares a very similar chipset with its sibling, the Edirol UA-1A . Unlike the UA-20, Roland did release a compatible driver for the UA-1A that functions on Windows 10 (and even Windows 11). By installing this driver, you can "trick" Windows
The Ultimate Guide to Installing the EDIROL UA-20 Driver on Windows 10 Introduction: The Legacy of the EDIROL UA-20 The EDIROL UA-20 (often stylized as UA-20) was a pioneering USB audio interface released in the early 2000s. Manufactured by Roland’s now-discontinued EDIROL brand, it offered a fantastic combination of analog I/O, digital coaxial I/O, and MIDI connectivity in a rugged, desktop-friendly chassis. For over a decade, it was a staple for home studio owners, podcasters, and electronic musicians. However, as operating systems evolved—specifically with Microsoft’s aggressive driver model changes in Windows 10—users encountered a harsh reality: Roland Corporation officially discontinued support for the EDIROL UA-20 driver. The last official drivers were written for Windows XP and (partially) Windows Vista. So, if you are trying to use the UA-20 on a modern Windows 10 PC, you’ve likely hit a wall. This article provides the definitive, tested guide to getting your EDIROL UA-20 functional on Windows 10. We will explore why the official drivers fail, security considerations, step-by-step installation via compatibility mode, and the "other OS" fallback plan.
Part 1: Why a Windows 10 Driver for the UA-20 Doesn't Officially Exist Before diving into solutions, it is crucial to understand the technical barrier. The Driver Signing Mandate Windows 10 (especially version 1709 and later) enforces driver code signing strictly. An unsigned driver, or one signed with a deprecated SHA-1 certificate, will be rejected by the kernel. Roland’s last UA-20 driver (Version 1.0.0 for Windows Vista) uses an old signature that Windows 10 flags as "Integrity Failed." The 64-Bit Transition Most modern Windows 10 installations are 64-bit (x64). The last UA-20 drivers were primarily 32-bit (x86). While 32-bit drivers can technically run on 64-bit Windows, the installer was never built for that architecture. Consequently, even if you force-install the .inf file, the audio service may crash on sample rate mismatch. The Result When you plug in the UA-20 via USB, Windows 10 will see "EDIROL UA-20" in Device Manager, but it will be marked with a yellow exclamation mark. The error code is usually Code 52: Driver not signed or Code 31: Driver is designed for a different architecture . edirol ua-20 driver windows 10
Part 2: Pre-Installation Checklist – Is Your UA-20 Still Good? Before spending an hour troubleshooting, check your hardware.
The USB 2.0 Requirement: The UA-20 is a USB 1.1/2.0 device. It works best on a USB 2.0 port . Avoid USB 3.0/3.1 ports (blue internal plastic) as they have different power management logic. The Power LED: The UA-20 is bus-powered. If the red LED doesn’t light up when plugged in, the DC filter capacitor may have died (common in 20-year-old gear). If dead, driver installation is moot. The MIDI vs. Audio Issue: Even if the audio driver fails, the MIDI driver often works natively via Windows 10’s built-in class-compliant MIDI driver. Test this first.
Part 3: The Official (But Unsatisfactory) Method – Windows 8.1 Driver Roland never released a Windows 10 driver. However, they did release a Windows 8.1 driver for the EDIROL UA-25 (a different model). Some users mistakenly try this. Do not. The UA-20 and UA-25 use different DSP chips (AKM vs. Cirrus Logic). Installing the UA-25 driver will cause BSOD. The only official Roland page for the UA-20 is a legacy support page stating: "There are no drivers available for your operating system." (Check the Roland.com support archive if you need confirmation). Thus, we must turn to community-sourced workarounds. Title: The Complete Guide to Getting Your Edirol
Part 4: Step-by-Step – Installing the Windows Vista Driver on Windows 10 After testing this on Windows 10 Pro (22H2), the following procedure works for audio input/output at 16-bit/44.1kHz stability. MIDI works flawlessly. Step 1: Download the Legacy Driver You need the file UA20_drv100.zip (or similar name). Do not download from random torrent sites. A safe source is the Internet Archive or Roland’s legacy FTP mirrors. The file contains:
UA20X64.inf (For 64-bit systems – this is the key file) UA20X86.inf (For 32-bit) UA20usb.sys
Security note: Scan the .sys file with Windows Defender before proceeding. Legacy drivers can contain vulnerabilities, though this one is generally safe. Step 2: Disable Driver Signature Enforcement (Temporarily) This is mandatory. Without this, Windows 10 will refuse to load the unsigned UA20usb.sys . How to do it: However, if you’ve recently upgraded your computer or
Press Shift and click Restart (from Start menu). Go to Troubleshoot > Advanced Options > Startup Settings . Click Restart . Press F7 ("Disable driver signature enforcement"). Log back into Windows. This setting resets on the next full reboot.
Step 3: Manual Driver Installation via Device Manager Do not run the Setup.exe (if present). It will throw an immediate "Unsupported OS" error.


