[PR #775] [MERGED] Fix 'HP ProBook 650 G2' not reaching 0% #1352

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opened 2026-02-26 00:35:11 +03:00 by kerem · 0 comments

kerem commented

2026-02-26 00:35:11 +03:00

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📋 Pull Request Information

Original PR: https://github.com/hirschmann/nbfc/pull/775
Author: @rico-chet
Created: 10/26/2019
Status: ✅ Merged
Merged: 10/29/2019
Merged by: @hirschmann

Base: master ← Head: fix-hp-probook-650-g2-zero-percent-fan-speed-failure

📝 Commits (1)

537c1ea Fix 'HP ProBook 650 G2' not reaching 0%

📊 Changes

1 file changed (+6 additions, -1 deletions)

View changed files

📝 Configs/HP ProBook 650 G2.xml (+6 -1)

📄 Description

When simply mapping fan register value of 255 to 0%, the fan is not able
to reach 0% directly when starting at a rather high speed, running
constantly at around 25% instead. This can be worked around manually by
first setting the speed to a value between 0% and 20%, then setting it
to 0%.

Mapping the fan register value of 254 to 0% fixes the issue permanently.
Mapping read value of 255 to 0% fixes the percentage indicator which
shows negative speed values otherwise.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/hirschmann/nbfc/pull/775 **Author:** [@rico-chet](https://github.com/rico-chet) **Created:** 10/26/2019 **Status:** ✅ Merged **Merged:** 10/29/2019 **Merged by:** [@hirschmann](https://github.com/hirschmann) **Base:** `master` ← **Head:** `fix-hp-probook-650-g2-zero-percent-fan-speed-failure` --- ### 📝 Commits (1) - [`537c1ea`](https://github.com/hirschmann/nbfc/commit/537c1ea319982deb3edf3fdb7b4aa96fd18f63c7) Fix 'HP ProBook 650 G2' not reaching 0% ### 📊 Changes **1 file changed** (+6 additions, -1 deletions) <details> <summary>View changed files</summary> 📝 `Configs/HP ProBook 650 G2.xml` (+6 -1) </details> ### 📄 Description When simply mapping fan register value of 255 to 0%, the fan is not able to reach 0% directly when starting at a rather high speed, running constantly at around 25% instead. This can be worked around manually by first setting the speed to a value between 0% and 20%, then setting it to 0%. Mapping the fan register value of 254 to 0% fixes the issue permanently. Mapping read value of 255 to 0% fixes the percentage indicator which shows negative speed values otherwise. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>