The ASROCK B550D4-4L is a high-quality motherboard designed for optimal performance. Explore its features, settings, and installation details with our comprehensive User Manual. Download this valuable resource for free at manualshive.com, providing you with step-by-step instructions to unlock the full potential of your motherboard.
Enables Legacy USB support. AUTO option disables legacy support if no USB devices are connected. DISABLE option will keep USB devices available only for EFI applications.