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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Introduction</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/" aria-current="page" class="sidebar-link">Getting Started With ACPI</a></li><li><a href="/Getting-Started-With-ACPI/ssdt-platform.html" class="sidebar-link">Choosing the SSDTs</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Methods</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/ssdt-methods/ssdt-methods.html" class="sidebar-link">How to create SSDTs</a></li><li><section class="sidebar-group is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/ssdt-methods/ssdt-prebuilt.html" class="sidebar-link">Pre-Built SSDTs</a></li><li><a href="/Getting-Started-With-ACPI/ssdt-methods/ssdt-easy.html" class="sidebar-link">SSDTs: The easy way</a></li><li><a href="/Getting-Started-With-ACPI/ssdt-methods/ssdt-long.html" class="sidebar-link">SSDTs: The long way</a></li></ul></section></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Manual</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/Manual/dump.html" class="sidebar-link">Getting a copy of our DSDT</a></li><li><a href="/Getting-Started-With-ACPI/Manual/compile.html" class="sidebar-link">Compiling and decompiling ACPI Tables</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Desktop</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/Desktops/desktop-disable.html" class="sidebar-link">Disabling desktop dGPUs</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Laptop</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/Laptops/backlight.html" class="sidebar-link">Fixing Backlight</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Laptops/trackpad.html" class="sidebar-link">Fixing Trackpad</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Laptops/laptop-disable.html" class="sidebar-link">Disabling laptop dGPUs</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>Universal</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/Universal/ec-fix.html" class="sidebar-link">Embedded Controller</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/plug.html" class="sidebar-link">CPU Power Management</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading open"><span>Methods</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/Universal/plug-methods/prebuilt.html" class="sidebar-link">Prebuilt</a></li><li><a href="/Getting-Started-With-ACPI/Universal/plug-methods/ssdttime.html" class="sidebar-link">SSDTTime</a></li><li><a href="/Getting-Started-With-ACPI/Universal/plug-methods/manual.html" aria-current="page" class="active sidebar-link">Manual</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/Getting-Started-With-ACPI/Universal/plug-methods/manual.html#finding-the-acpi-path" class="sidebar-link">Finding the ACPI path</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/Getting-Started-With-ACPI/Universal/plug-methods/manual.html#dsdt" class="sidebar-link">DSDT</a></li></ul></li><li class="sidebar-sub-header"><a href="/Getting-Started-With-ACPI/Universal/plug-methods/manual.html#edits-to-the-sample-ssdt" class="sidebar-link">Edits to the sample SSDT</a></li><li class="sidebar-sub-header"><a href="/Getting-Started-With-ACPI/Universal/plug-methods/manual.html#compiling-the-ssdt" class="sidebar-link">Compiling the SSDT</a></li><li class="sidebar-sub-header"><a href="/Getting-Started-With-ACPI/Universal/plug-methods/manual.html#wrapping-up" class="sidebar-link">Wrapping up</a></li></ul></li></ul></section></li><li><a href="/Getting-Started-With-ACPI/Universal/awac.html" class="sidebar-link">AWAC vs RTC</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/nvram.html" class="sidebar-link">NVRAM PMC</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/rhub.html" class="sidebar-link">USB RHUB</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/imei.html" class="sidebar-link">IMEI</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/unc0.html" class="sidebar-link">Fixing Uncore Bridge</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/smbus.html" class="sidebar-link">Fixing SMBus Support</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Methods</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/Getting-Started-With-ACPI/Universal/irq.html" class="sidebar-link">IRQ Fix</a></li><li><a href="/Getting-Started-With-ACPI/Universal/spoof.html" class="sidebar-link">GPU Spoof</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Cleanup</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/cleanup.html" class="sidebar-link">Cleanup</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Misc</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/Getting-Started-With-ACPI/troubleshooting.html" class="sidebar-link">Troubleshooting</a></li><li><a href="/Getting-Started-With-ACPI/CONTRIBUTING.html" class="sidebar-link">Contributing</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-succinct-content content__default"><h1 id="fixing-power-management-manual"><a href="#fixing-power-management-manual" class="header-anchor">#</a> Fixing Power Management: Manual</h1> <ul><li><a href="#finding-the-acpi-path">Finding the ACPI path</a> <ul><li><a href="#DSDT">DSDT</a></li> <li><a href="#devicemanager">DeviceManager</a></li></ul></li> <li><a href="#edits-to-the-sample-ssdt">Edits to the sample SSDT</a></li> <li><a href="#compiling-the-ssdt">Compiling the SSDT</a></li> <li><a href="#wrapping-up">Wrapping up</a></li></ul> <h2 id="finding-the-acpi-path"><a href="#finding-the-acpi-path" class="header-anchor">#</a> Finding the ACPI path</h2> <p>To find the ACPI pathing, you have 2 methods:</p> <ul><li><a href="#DSDT">DSDT</a></li> <li><a href="#devicemanager">DeviceManager</a></li></ul> <h3 id="dsdt"><a href="#dsdt" class="header-anchor">#</a> DSDT</h3> <p>CPU naming is fairly easy to figure out, first open your decompiled DSDT you got from <a href="/Getting-Started-With-ACPI/Manual/dump.html">Dumping the DSDT</a> and <a href="/Getting-Started-With-ACPI/Manual/compile.html">Decompiling and Compiling</a> with either maciASL(if in macOS) or any other text editor if in Windows or Linux(VSCode has an <a href="https://marketplace.visualstudio.com/items?itemName=Thog.vscode-asl" target="_blank" rel="noopener noreferrer">ACPI extension<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> that can also help).</p> <p>Next search for <code>Processor</code>. This should give you a result like this:</p> <p><img src="/Getting-Started-With-ACPI/assets/img/processor.38dc34ad.png" alt=""></p> <p>As we can see, the first processor in our list is <code>SB.PR00</code>. This is what we'll be applying the <code>plugin-type=1</code> property too.</p> <p><strong>X99 and X299 note</strong>:</p> <p>Due to the different DSDT structure of these systems, you'll need to to actually check in multiple places as the pathing isn't as obvious:</p> <p><img src="/Getting-Started-With-ACPI/assets/img/processor-2.8af8c8dd.png" alt=""></p> <p>If we then search for instances of <code>CP00</code> we find that its full ACPI pathing is <code>SB.SCK0.CP00</code>:</p> <p><img src="/Getting-Started-With-ACPI/assets/img/cp00.d25cad0f.png" alt=""></p> <p>Now with the pathing, you can head here: <a href="#edits-to-the-sample-ssdt">Edits to the sample SSDT</a></p> <h5 id="devicemanager"><a href="#devicemanager" class="header-anchor">#</a> DeviceManager</h5> <p>If you already have Windows installed on this machine, finding the CPU pathing is fairly easy.</p> <p>Start by opening up Device Manager in Windows and looking for a device named <code>Processor</code>. Once found, click on it and select the <code>BIOS device Name</code> entry. You should get something like this:</p> <p><img src="/Getting-Started-With-ACPI/assets/img/plug-bios.1b527198.png" alt=""></p> <p>From the above, we can see that our pathing is <code>PR.CPU0</code>. Pay close attention to the start as <code>PR</code> is important for creating the SSDT</p> <p><strong>X99 and X299 note</strong>:</p> <p>Odd quirk of DeviceManager in Windows is that the Processor's order does not actually match the ACPI path, instead giving something like <code>SB.SCK0.CP10</code>:</p> <p><img src="/Getting-Started-With-ACPI/assets/img/plug-x299.8123a653.png" alt=""></p> <p>When this happens, you can either:</p> <ul><li>Look through and find the lowest value</li> <li>Assume the lowest(commonly being <code>PR00</code> or <code>CP00</code>)</li></ul> <p>So with the above X299 example, our CPU pathing would be <code>SB.SCK0.CP00</code></p> <p>Now with the pathing, you can head here: <a href="#edits-to-the-sample-ssdt">Edits to the sample SSDT</a></p> <h2 id="edits-to-the-sample-ssdt"><a href="#edits-to-the-sample-ssdt" class="header-anchor">#</a> Edits to the sample SSDT</h2> <p>Now that we have our ACPI path, lets grab our SSDT and get to work:</p> <ul><li><a href="https://github.com/acidanthera/OpenCorePkg/blob/master/Docs/AcpiSamples/SSDT-PLUG.dsl" target="_blank" rel="noopener noreferrer">SSDT-PLUG.dsl<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li></ul> <p>From the above SSDT, it's very likely your processor is already there. If so, you can delete all the other entries other than yours and the <code>Method PMPM</code> as this is what injects the <code>plugin-type=1</code> property into our system.</p> <ul><li><strong>Reminder</strong>: We only need to apply <code>plugin-type=1</code> to the first thread</li></ul> <p>For the below example, we'll be using the X299 example(<code>SB.SCK0.CP00</code>)</p> <table><thead><tr><th style="text-align:center;">Original</th> <th style="text-align:center;">Cleaned Up</th></tr></thead> <tbody><tr><td style="text-align:center;"><img src="/Getting-Started-With-ACPI/assets/img/ssdt-mess.8323e4a6.png" alt=""></td> <td style="text-align:center;"><img src="/Getting-Started-With-ACPI/assets/img/ssdt-clean.b241b36e.png" alt=""></td></tr></tbody></table> <h2 id="compiling-the-ssdt"><a href="#compiling-the-ssdt" class="header-anchor">#</a> Compiling the SSDT</h2> <p>With the SSDT done, you're now <a href="/Getting-Started-With-ACPI/Manual/compile.html">ready to compile the SSDT!</a></p> <h2 id="wrapping-up"><a href="#wrapping-up" class="header-anchor">#</a> Wrapping up</h2> <p>Once you're done making your SSDT, either head to the next page to finish the rest of the SSDTs or head here if you're ready to wrap up:</p> <ul><li><a href="/Getting-Started-With-ACPI/cleanup.html"><strong>Cleanup</strong></a></li></ul></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">7/17/2020, 8:46:53 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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