This acts as the primary diagnostic engine. It initializes the GPU architecture and allows technicians to run specific sub-tests on the silicon.
This article provides an overview of MODS/MATS, its capabilities, and information regarding its usage in professional repair scenarios. What is NVIDIA MODS and MATS? MODS (Modular Diagnostic Software) download nvidia modular diagnostic software
| Feature | Description | | :--- | :--- | | | Allows you to run specific diagnostic modules (e.g., memory test, PCIe test, thermal test) instead of a single monolithic test. | | Operating System Agnostic | Runs from a UEFI shell or Linux initrd (initial RAM disk) – no driver or OS installation required. | | Memory Integrity Test | Detects ECC errors, stuck bits, and addressing faults on HBM/GDDR memory. | | PCIe Link Testing | Validates lane speeds, widths, and retraining errors. | | Thermal & Clock Validation | Checks fan curves, thermal throttling, and boost clock stability. | | Firmware Verification | Compares GPU VBIOS and GSP firmware against NVIDIA-released versions. | | Stress/Longevity Mode | Loops selected modules for burn-in or failure analysis. | | Logging & Reporting | Outputs JSON or plain-text logs for automated parsing. | This acts as the primary diagnostic engine