[GH-ISSUE #521] Lenovo IdeaPad 520s 14IKB #473

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opened 2026-02-26 00:32:44 +03:00 by kerem · 4 comments

kerem commented

2026-02-26 00:32:44 +03:00

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Originally created by @arthurprs on GitHub (Jul 24, 2018).
Original GitHub issue: https://github.com/hirschmann/nbfc/issues/521

After several days I ended up with the attached config, the register addresses are ok (the scale is a bit off but that can be fixed).

My problem is that it is constantly fighting the crazy standard controller which will dial the fan close to max as soon as the processor reaches 50C or something like that.

Any ideas how to fix it?

Lenovo Ideapad 520s-14.xml.zip

Originally created by @arthurprs on GitHub (Jul 24, 2018). Original GitHub issue: https://github.com/hirschmann/nbfc/issues/521 After several days I ended up with the attached config, the register addresses are ok (the scale is a bit off but that can be fixed). My problem is that it is constantly fighting the crazy standard controller which will dial the fan close to max as soon as the processor reaches 50C or something like that. Any ideas how to fix it? [Lenovo Ideapad 520s-14.xml.zip](https://github.com/hirschmann/nbfc/files/2224787/Lenovo.Ideapad.520s-14.xml.zip)

kerem

2026-02-26 00:32:44 +03:00

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kerem commented

2026-02-26 00:32:44 +03:00

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@anyone1997 commented on GitHub (Jul 26, 2018):

And how can I install that file?

@anyone1997 commented on GitHub (Jul 26, 2018): And how can I install that file?

kerem commented

2026-02-26 00:32:44 +03:00

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@anyone1997 commented on GitHub (Jul 26, 2018):

ok, looks like this path
Load and apply a config: nbfc.exe config -a "HP ProBook 6465b"
The config name is the filename without extension.

@anyone1997 commented on GitHub (Jul 26, 2018): ok, looks like this path Load and apply a config: nbfc.exe config -a "HP ProBook 6465b" The config name is the filename without extension.

kerem commented

2026-02-26 00:32:44 +03:00

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@arthurprs commented on GitHub (Jul 26, 2018):

Update: DSDT editor wasn't able to parse the acpi, but RWEverything was.

I think I'm a competent software developer but I spend hours on that ACPI file and found nothing useful 😢

@arthurprs commented on GitHub (Jul 26, 2018): Update: DSDT editor wasn't able to parse the acpi, but RWEverything was. I think I'm a competent software developer but I spend hours on that ACPI file and found nothing useful :cry:

kerem commented

2026-02-26 00:32:44 +03:00

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@github-actions[bot] commented on GitHub (Nov 25, 2019):

This issue is stale because it has been open more than 180 days with no activity. If nobody comments within 7 days, this issue will be closed

@github-actions[bot] commented on GitHub (Nov 25, 2019): This issue is stale because it has been open more than 180 days with no activity. If nobody comments within 7 days, this issue will be closed