Portable Download Nvidia Modular Diagnostic Software

Extract the downloaded MODS ZIP file directly onto the root of the USB drive. Configure Scripts: Most users modify the autoexec.bat file to automate the testing process upon booting. Using the Software MATS (VRAM Testing):

| Feature | NVIDIA Modular Diagnostics (NVMD) | Consumer Tools (FurMark/OCCT) | | :--- | :--- | :--- | | | Ring 0 (Kernel/Firmware) | Ring 3 (Application Layer) | | Test Type | Logic

Always match the software version to your exact GPU architecture (e.g., Hopper vs. Ampere) to avoid false failures.