RTX 5090 Owner Built An Open-Source Tool That Shuts Down PC If It Detects The 12VHPWR Cable Drawing Too Much Power, But It Can Only Work On Specific GPUs
2.70T2 sourcer/LocalLLaMA
r/LocalLLaMAoriginal source ↗
Source record
Published by r/LocalLLaMA (T2 source). The original is at https://www.reddit.com/r/LocalLLaMA/comments/1vhy2e6/rtx_5090_owner_built_an_opensource_tool_that/.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryAn RTX 5090 owner released an open-source tool that monitors 12VHPWR cable power draw and automatically shuts down the PC when current exceeds safe thresholds, aimed at preventing connector damage. Compatibility is limited to specific GPU models.
Why it mattersFirsthand open-source response to the recurring 12VHPWR melting issue on high-end NVIDIA cards, with code and explicit hardware constraints noted by the builder.
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