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Dumping the contents of the Windows Registry, located at HKLM\HARDWARE\ACPI\DSDT , I can get the DSDT, which I believe is the Differentiated System Description Table. More information about what a DSDT is, here.

Using Microsoft's ASL Compiler, I can transform this binary file into an .asl format. (.asl = ACPI Source Language, which is a text format, readable in notepad.

How do I interpret this thing? Specifically I'd like to know what settings or statements in that file, if any, control the fan-speed-to-cpu-temperature gates. Then I want to modify those settings and reload the DSDT into the registry using, again, the ASL Compiler. I know how to reload it. I just don't know what parts to modify.

Thanks for any hints you can provide.

EDIT
See also, this blog post for an overview of what I am trying to do. Actually I have done this successfully in the past, see Why is my Compaq nc8430 so darned HOT? .
Now I would like to do something similar, but for an HP G60-244DX.

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  • not sure why someone feels the need to remove the links I inserted into the question. They're there for a reason. If you don't want to click on them, don't.
    – Cheeso
    Commented Nov 30, 2010 at 13:07
  • If you read my comment for the edit, I asked if you seriously wanted everyone to download the actual compiler?
    – BinaryMisfit
    Commented Nov 30, 2010 at 13:10
  • yes I understand. And you removed all 3 links. If you honestly wanted to help, you could have modified the link so that it pointed to information about the ASL Compiler, rather than the MSI download; instead you just destroyed information.
    – Cheeso
    Commented Nov 30, 2010 at 13:17
  • We happened to edit at the same time, which is why I overwrote your stuff. Come on. I have a job to do, I didn't know where to link to, and really don't have the time to search for those links. The only reason I noticed is because I was interested in the topic, and when I clicked on the link on my Mac it tried to download a file, and I edited it out. I assumed you would come back and fix it based on the notes I made during the edit. When I edited it there was only 1 link and I submitted after you.
    – BinaryMisfit
    Commented Dec 1, 2010 at 7:26
  • Fair enough, but I respectfully suggest that if you don't have time to search for more appropriate links, then add a comment asking for a change, but above all don't edit carelessly and destroy content.
    – Cheeso
    Commented Dec 1, 2010 at 17:01

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