Table of Contents
Enabling Resizable BAR (Base Address Register) can significantly improve gaming performance and system responsiveness by allowing the CPU to access the entire GPU memory buffer at once. With the latest Intel CPU and GPU pairings, this feature can be activated with a few straightforward steps. This guide provides a step-by-step process to enable Resizable BAR on compatible hardware.
Prerequisites for Enabling Resizable BAR
- Compatible Intel CPU (11th Gen or newer)
- Compatible GPU (NVIDIA GeForce RTX 30 Series or AMD Radeon RX 6000 Series)
- Motherboard with a BIOS that supports Resizable BAR
- Latest BIOS firmware installed
- Updated graphics drivers
- Operating system with support for Resizable BAR (Windows 10 or later)
Step 1: Update Your BIOS
Visit your motherboard manufacturer’s website to download and install the latest BIOS firmware. Follow the manufacturer’s instructions carefully to update your BIOS, ensuring your motherboard supports Resizable BAR.
Step 2: Enable Resizable BAR in BIOS
Reboot your computer and enter the BIOS setup by pressing the designated key during startup (commonly Del, F2, or Esc). Navigate to the Advanced or PCIe settings menu.
Locate the option labeled “Resizable BAR,” “Above 4G Decoding,” or similar. Enable these options. Save the changes and exit BIOS.
Step 3: Update Graphics Drivers
Download and install the latest graphics drivers from NVIDIA or AMD’s official website. Ensure that the driver version explicitly supports Resizable BAR.
Step 4: Enable Resizable BAR in Windows
Open the NVIDIA Control Panel or AMD Radeon Software. Navigate to the system or gaming settings section.
Look for the option to enable Resizable BAR or Smart Access Memory and toggle it on. Apply the settings.
Step 5: Verify the Feature is Enabled
You can verify if Resizable BAR is active using third-party tools like GPU-Z or by checking the system information in Windows Device Manager. If enabled correctly, the feature should be active and recognized by your system.
Additional Tips
- Ensure your operating system is fully updated to support Resizable BAR features.
- Check for BIOS updates regularly for improved compatibility and stability.
- Consult your motherboard and GPU manufacturer’s documentation for specific instructions.
Enabling Resizable BAR on the latest Intel CPU and GPU pairings can unlock additional performance benefits. Follow these steps carefully to enjoy a smoother gaming and computing experience.