Open the Mach3 software. A "Motion Control Hardware Plugin" window should pop up.
★☆☆☆☆ This is a bottom-tier adapter. V2.1 suggests it was cheaply made. Common issues include poor soldering, inadequate power delivery for 3.5" hard drives (requiring a separate power brick which is often lost), and failure to support drives larger than 2TB. bl-usbmach-v2.1 driver download
: Connect the breakout board to your PC using a high-quality USB cable. Ensure it is recognized by Windows Device Manager. Mach3 Configuration : Open Mach3. Open the Mach3 software