Can run custom manufacturer-level execution scripts to stress test the architecture. :
This is proprietary software leaked to the public. It is not supported by NVIDIA.
If the memory is healthy, the error count next to every memory bank will read 0 . If a chip is failing, one or more banks will show thousands of write errors. By cross-referencing the failing bank (like FBIOA[31: 0] ) with a physical board diagram (boardview), the technician knows exactly which RAM chip needs to be desoldered and replaced. Safer Alternatives for Everyday Consumers download nvidia modular diagnostic software
Windows Device Manager reporting that the GPU has stopped working due to a hardware failure.
Inside the MODS package sits a crucial sub-program called . While MODS tests the entire architecture of the GPU (cores, voltage lines, PCIe lanes), MATS focuses exclusively on the Video RAM (VRAM). It maps out the exact memory chips on the PCB and identifies precisely which byte, bit, or physical chip is failing. Why Use MODS/MATS Instead of Standard Benchmarks? If the memory is healthy, the error count
Fermi, Kepler, Maxwell, Pascal, Turing, Ampere, Ada Lovelace (version dependent) mods.log / report.txt Important Safety and Legal Considerations
If you are a consumer, gamer, or independent workstation user looking to test an NVIDIA GeForce, TITAN, or RTX workstation card, you do not need enterprise modular software. Excellent, officially supported tools can diagnose your hardware safely. 1. NVIDIA Control Panel & System Information or RTX workstation card
Older versions of MODS (used for Kepler, Maxwell, and early Pascal cards) run inside a pure DOS environment to ensure zero driver interference.
Run diagnostics with sudo dcgmi diag -r 4 (Level 4 includes EUD tests).
: Edit the ARGS or autoexec.bat file to specify the type of test (e.g., -matsinfo for memory diagnostics).
MODS is not a "click-and-run" Windows application. It typically requires you to create a bootable USB drive running a specialized, lightweight Linux environment (often Tiny Core Linux or a custom DOS environment). It is operated entirely via a Command Line Interface (CLI) and requires a solid understanding of terminal commands to execute correctly. Safe and Public Alternatives for GPU Troubleshooting