RTX 5090 Owner Builds Open-Source Tool to Auto-Shutdown PC on 12VHPWR Overcurrent
pmttyji · reddit · 2026-08-07
An RTX 5090 owner has created an open-source tool called 12vhpwr-guard that monitors the 12VHPWR power cable and automatically shuts down the PC if it detects excessive current draw, aiming to prevent potential melting hazards. The tool works only on specific GPUs and is available on GitHub.
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