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<span class="md-ellipsis">
Common Commands
</span>
</a>
<nav class="md-nav" aria-label="Common Commands">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#system-info" class="md-nav__link">
<span class="md-ellipsis">
System Info
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#grub-configuration" class="md-nav__link">
<span class="md-ellipsis">
GRUB Configuration
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#governor-management" class="md-nav__link">
<span class="md-ellipsis">
Governor Management
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#gaming-performance" class="md-nav__link">
<span class="md-ellipsis">
Gaming Performance
</span>
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<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#launch-options-steam" class="md-nav__link">
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Launch Options (Steam)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#expected-fps-1080p" class="md-nav__link">
<span class="md-ellipsis">
Expected FPS (1080p)
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#troubleshooting-quick-fixes" class="md-nav__link">
<span class="md-ellipsis">
Troubleshooting Quick Fixes
</span>
</a>
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<ul class="md-nav__list">
<li class="md-nav__item">
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No Display
</span>
</a>
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GPU Not Detected
</span>
</a>
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<a href="#bios-settings-dont-stick" class="md-nav__link">
<span class="md-ellipsis">
BIOS Settings Don't Stick
</span>
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<a href="#game-crashes" class="md-nav__link">
<span class="md-ellipsis">
Game Crashes
</span>
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High Temperatures
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Important Warnings
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Key Community Resources
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Community
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<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<a href="https://github.com/elektricM/amd-bc250-docs/edit/main/docs/reference/quick-reference.md" title="Edit this page" class="md-content__button md-icon" rel="edit">
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<h1 id="quick-reference-guide">Quick Reference Guide<a class="headerlink" href="#quick-reference-guide" title="Permanent link">&para;</a></h1>
<p>Fast answers to common questions. For detailed information, see the full documentation pages.</p>
<hr />
<h2 id="quick-start-checklist">Quick Start Checklist<a class="headerlink" href="#quick-start-checklist" title="Permanent link">&para;</a></h2>
<h3 id="hardware-setup">Hardware Setup<a class="headerlink" href="#hardware-setup" title="Permanent link">&para;</a></h3>
<ul class="task-list">
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> BC-250 board</li>
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> 300W+ 12V PSU with PCIe 8-pin</li>
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> High static pressure 120mm fan (Arctic P12/P14)</li>
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> DisplayPort cable or passive DP-HDMI adapter</li>
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> USB stick (FAT32) for BIOS flash</li>
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> M.2 NVMe SSD (optional but recommended)</li>
<li class="task-list-item"><label class="task-list-control"><input type="checkbox" disabled/><span class="task-list-indicator"></span></label> USB WiFi adapter (board has no wireless)</li>
</ul>
<h3 id="software-setup">Software Setup<a class="headerlink" href="#software-setup" title="Permanent link">&para;</a></h3>
<ol>
<li><strong>Flash BIOS</strong> - Get modded BIOS from <a href="https://gitlab.com/TuxThePenguin0/bc250-bios/">GitLab</a></li>
<li><strong>Set VRAM to 512MB</strong> in BIOS after flashing</li>
<li><strong>Clear CMOS</strong> (critical after USB flash)</li>
<li><strong>Install Fedora/Bazzite</strong> with "Basic Graphics Mode"</li>
<li><strong>Run setup script</strong> to install Mesa 25.1+ and governor</li>
<li><strong>Remove nomodeset</strong> from GRUB after drivers installed</li>
<li><strong>Test a game!</strong></li>
</ol>
<p><a href="../../getting-started/quick-start/">Full quick start guide →</a></p>
<hr />
<h2 id="critical-settings">Critical Settings<a class="headerlink" href="#critical-settings" title="Permanent link">&para;</a></h2>
<h3 id="bios-configuration">BIOS Configuration<a class="headerlink" href="#bios-configuration" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Setting</th>
<th>Value</th>
<th>Why</th>
</tr>
</thead>
<tbody>
<tr>
<td>UMA Frame Buffer Size</td>
<td>512MB</td>
<td>Dynamic VRAM allocation</td>
</tr>
<tr>
<td>IOMMU</td>
<td><strong>MUST be Disabled</strong></td>
<td>IOMMU is broken - causes display failures and crashes</td>
</tr>
<tr>
<td>Fan Control</td>
<td>Customize</td>
<td>Stock is too aggressive or too quiet</td>
</tr>
</tbody>
</table>
<p><a href="../../bios/flashing/">BIOS guide →</a></p>
<h3 id="kernel-requirements">Kernel Requirements<a class="headerlink" href="#kernel-requirements" title="Permanent link">&para;</a></h3>
<ul>
<li><strong>Use:</strong> Kernel 6.15.7 - 6.17.7 (best) or 6.12.x - 6.14.x LTS (stable)</li>
<li><strong>Avoid:</strong> Kernel 6.15.0-6.15.6 and 6.17.8+ (GPU initialization fails)</li>
<li><strong>Boot parameter:</strong> <code>nomodeset</code> during install, remove after drivers installed</li>
</ul>
<h3 id="kernel-parameters">Kernel Parameters<a class="headerlink" href="#kernel-parameters" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="c1"># Required in /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT:</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>quiet
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="c1"># Optional performance boost:</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="nv">mitigations</span><span class="o">=</span>off
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="c1"># For older kernels &lt;6.10 only:</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a>amdgpu.sg_display<span class="o">=</span><span class="m">0</span>
</span></code></pre></div>
<hr />
<h2 id="power-cooling">Power &amp; Cooling<a class="headerlink" href="#power-cooling" title="Permanent link">&para;</a></h2>
<h3 id="power-draw">Power Draw<a class="headerlink" href="#power-draw" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>State</th>
<th>Consumption</th>
</tr>
</thead>
<tbody>
<tr>
<td>Idle</td>
<td>50-80W</td>
</tr>
<tr>
<td>Light gaming</td>
<td>100-150W</td>
</tr>
<tr>
<td>Heavy gaming</td>
<td>150-200W</td>
</tr>
<tr>
<td>Maximum (RT)</td>
<td>Up to 235W</td>
</tr>
</tbody>
</table>
<h3 id="temperature-targets">Temperature Targets<a class="headerlink" href="#temperature-targets" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>State</th>
<th>Temperature</th>
<th>Status</th>
</tr>
</thead>
<tbody>
<tr>
<td>Idle</td>
<td>40-60°C</td>
<td>✅ Good</td>
</tr>
<tr>
<td>Gaming</td>
<td>70-85°C</td>
<td>✅ Good</td>
</tr>
<tr>
<td>Stress</td>
<td>85-90°C</td>
<td>⚠️ Caution</td>
</tr>
<tr>
<td>Critical</td>
<td>&gt;90°C</td>
<td>❌ Too hot</td>
</tr>
</tbody>
</table>
<h3 id="recommended-fans">Recommended Fans<a class="headerlink" href="#recommended-fans" title="Permanent link">&para;</a></h3>
<ol>
<li><strong>Arctic P12 Max</strong> - 6.9 mmH2O, best value</li>
<li><strong>Noctua NF-A12x25</strong> - Quieter, premium</li>
<li><strong>Arctic P14 Max</strong> - 140mm option</li>
</ol>
<div class="admonition warning">
<p class="admonition-title">High Static Pressure Required</p>
<p>You NEED fans with 3+ mmH2O static pressure. Regular case fans won't work.</p>
</div>
<p><a href="../../hardware/cooling/">Cooling guide →</a></p>
<hr />
<h2 id="software-requirements">Software Requirements<a class="headerlink" href="#software-requirements" title="Permanent link">&para;</a></h2>
<h3 id="operating-system">Operating System<a class="headerlink" href="#operating-system" title="Permanent link">&para;</a></h3>
<p><strong>Recommended:</strong>
- Fedora 42/43 Workstation (easiest)
- Bazzite (best for gaming)
- CachyOS (best performance, harder setup)</p>
<p><strong>Also works:</strong>
- Manjaro, Arch, Debian (with effort)</p>
<p><strong>Doesn't work:</strong>
- Windows (no GPU drivers)</p>
<p><strong>Note:</strong> SteamOS now works after Mesa updates</p>
<h3 id="driver-versions">Driver Versions<a class="headerlink" href="#driver-versions" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Component</th>
<th>Minimum</th>
<th>Recommended</th>
</tr>
</thead>
<tbody>
<tr>
<td>Mesa</td>
<td>25.1.3</td>
<td>25.1.5+</td>
</tr>
<tr>
<td>Kernel</td>
<td>6.12.x</td>
<td>6.12-6.14 LTS</td>
</tr>
<tr>
<td>Governor</td>
<td>Any</td>
<td>Latest from COPR</td>
</tr>
</tbody>
</table>
<p><a href="../../linux/distributions/">Linux setup guide →</a></p>
<hr />
<h2 id="vram-configuration">VRAM Configuration<a class="headerlink" href="#vram-configuration" title="Permanent link">&para;</a></h2>
<h3 id="512mb-dynamic-recommended">512MB Dynamic (Recommended)<a class="headerlink" href="#512mb-dynamic-recommended" title="Permanent link">&para;</a></h3>
<ul>
<li>Automatically allocates between CPU/GPU</li>
<li>~10-15GB CPU RAM, up to 12GB VRAM when needed</li>
<li>Best for most users</li>
</ul>
<h3 id="fixed-allocations">Fixed Allocations<a class="headerlink" href="#fixed-allocations" title="Permanent link">&para;</a></h3>
<ul>
<li><strong>10GB/6GB</strong> - Best for AAA gaming, fixes ZRAM conflicts</li>
<li><strong>8GB/8GB</strong> - Balanced, good for AI/compute</li>
<li><strong>12GB/4GB</strong> - Light gaming, maximum system RAM</li>
</ul>
<div class="admonition info">
<p class="admonition-title">ZRAM Conflict</p>
<p>If RDR2 or Company of Heroes 3 crashes, switch from 512MB dynamic to 10GB/6GB fixed.</p>
</div>
<p><a href="../../bios/vram/">VRAM guide →</a></p>
<hr />
<h2 id="display-connection">Display Connection<a class="headerlink" href="#display-connection" title="Permanent link">&para;</a></h2>
<h3 id="working-solutions">Working Solutions<a class="headerlink" href="#working-solutions" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Method</th>
<th>Resolution</th>
<th>Audio</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td>Native DP</td>
<td>Up to 4K60</td>
<td>✅</td>
<td>Best option</td>
</tr>
<tr>
<td>Passive DP-HDMI</td>
<td>Up to 1440p60</td>
<td>✅</td>
<td>Most common</td>
</tr>
<tr>
<td>Active DP-HDMI</td>
<td>4K60+</td>
<td>❌</td>
<td>Video only, no audio</td>
</tr>
<tr>
<td>USB DAC</td>
<td>N/A</td>
<td>✅</td>
<td>Workaround for audio</td>
</tr>
</tbody>
</table>
<div class="admonition danger">
<p class="admonition-title">Active Adapters Break Audio</p>
<p>Active (powered) DP-to-HDMI adapters don't pass audio properly. Use passive adapters.</p>
</div>
<hr />
<h2 id="gpu-governor">GPU Governor<a class="headerlink" href="#gpu-governor" title="Permanent link">&para;</a></h2>
<p>The governor controls GPU frequency and voltage. <strong>Required for gaming performance.</strong></p>
<h3 id="installation">Installation<a class="headerlink" href="#installation" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="c1"># Fedora:</span>
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>copr<span class="w"> </span><span class="nb">enable</span><span class="w"> </span>filippor/bazzite
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>oberon-governor
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a>
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="c1"># Bazzite:</span>
</span><span id="__span-1-6"><a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a>curl<span class="w"> </span>-s<span class="w"> </span>https://raw.githubusercontent.com/vietsman/bc250-documentation/refs/heads/main/oberon-setup.sh<span class="w"> </span><span class="p">|</span><span class="w"> </span>sudo<span class="w"> </span>sh
</span><span id="__span-1-7"><a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a>
</span><span id="__span-1-8"><a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="c1"># Arch:</span>
</span><span id="__span-1-9"><a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a><span class="c1"># Build from source - see full guide</span>
</span></code></pre></div>
<h3 id="configuration">Configuration<a class="headerlink" href="#configuration" title="Permanent link">&para;</a></h3>
<p>Edit <code>/etc/oberon-config.yaml</code>:</p>
<div class="language-yaml highlight"><pre><span></span><code><span id="__span-2-1"><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="c1"># Safe starting point:</span>
</span><span id="__span-2-2"><a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a><span class="nt">min_frequency</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">1000</span><span class="w"> </span><span class="c1"># MHz</span>
</span><span id="__span-2-3"><a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="nt">max_frequency</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">2000</span><span class="w"> </span><span class="c1"># MHz</span>
</span><span id="__span-2-4"><a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="nt">min_voltage</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">700</span><span class="w"> </span><span class="c1"># mV (hard minimum, don&#39;t go lower)</span>
</span><span id="__span-2-5"><a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="nt">max_voltage</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">1050</span><span class="w"> </span><span class="c1"># mV</span>
</span></code></pre></div>
<p>Restart governor after changes:</p>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-3-1"><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>sudo<span class="w"> </span>systemctl<span class="w"> </span>restart<span class="w"> </span>oberon-governor
</span></code></pre></div>
<h3 id="check-gpu-frequency">Check GPU Frequency<a class="headerlink" href="#check-gpu-frequency" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-4-1"><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>cat<span class="w"> </span>/sys/class/drm/card0/device/pp_dpm_sclk
</span><span id="__span-4-2"><a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="c1"># Should show multiple frequencies, current one marked with *</span>
</span></code></pre></div>
<p>Without governor, GPU is stuck at 1500MHz = poor performance.</p>
<p><a href="../../system/governor/">Governor guide →</a></p>
<hr />
<h2 id="common-commands">Common Commands<a class="headerlink" href="#common-commands" title="Permanent link">&para;</a></h2>
<h3 id="system-info">System Info<a class="headerlink" href="#system-info" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-5-1"><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="c1"># Check Mesa version</span>
</span><span id="__span-5-2"><a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a>glxinfo<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span><span class="s2">&quot;OpenGL version&quot;</span>
</span><span id="__span-5-3"><a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>
</span><span id="__span-5-4"><a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="c1"># Check GPU</span>
</span><span id="__span-5-5"><a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a>lspci<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>VGA
</span><span id="__span-5-6"><a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a>vulkaninfo<span class="w"> </span><span class="p">|</span><span class="w"> </span>grep<span class="w"> </span>deviceName
</span><span id="__span-5-7"><a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a>
</span><span id="__span-5-8"><a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="c1"># Check RAM/VRAM split</span>
</span><span id="__span-5-9"><a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a>free<span class="w"> </span>-h
</span><span id="__span-5-10"><a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a>cat<span class="w"> </span>/sys/class/drm/card0/device/mem_info_vram_total
</span><span id="__span-5-11"><a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a>
</span><span id="__span-5-12"><a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a><span class="c1"># Check temperatures</span>
</span><span id="__span-5-13"><a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a>sensors
</span><span id="__span-5-14"><a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></a>
</span><span id="__span-5-15"><a id="__codelineno-5-15" name="__codelineno-5-15" href="#__codelineno-5-15"></a><span class="c1"># Monitor GPU</span>
</span><span id="__span-5-16"><a id="__codelineno-5-16" name="__codelineno-5-16" href="#__codelineno-5-16"></a>nvtop
</span></code></pre></div>
<h3 id="grub-configuration">GRUB Configuration<a class="headerlink" href="#grub-configuration" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-6-1"><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="c1"># Edit boot parameters</span>
</span><span id="__span-6-2"><a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a>sudo<span class="w"> </span>nano<span class="w"> </span>/etc/default/grub
</span><span id="__span-6-3"><a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a>
</span><span id="__span-6-4"><a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="c1"># Update GRUB (Fedora/RHEL):</span>
</span><span id="__span-6-5"><a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a>sudo<span class="w"> </span>grub2-mkconfig<span class="w"> </span>-o<span class="w"> </span>/boot/grub2/grub.cfg
</span><span id="__span-6-6"><a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a>
</span><span id="__span-6-7"><a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a><span class="c1"># Update GRUB (Debian/Ubuntu):</span>
</span><span id="__span-6-8"><a id="__codelineno-6-8" name="__codelineno-6-8" href="#__codelineno-6-8"></a>sudo<span class="w"> </span>update-grub
</span><span id="__span-6-9"><a id="__codelineno-6-9" name="__codelineno-6-9" href="#__codelineno-6-9"></a>
</span><span id="__span-6-10"><a id="__codelineno-6-10" name="__codelineno-6-10" href="#__codelineno-6-10"></a><span class="c1"># Reboot</span>
</span><span id="__span-6-11"><a id="__codelineno-6-11" name="__codelineno-6-11" href="#__codelineno-6-11"></a>sudo<span class="w"> </span>reboot
</span></code></pre></div>
<h3 id="governor-management">Governor Management<a class="headerlink" href="#governor-management" title="Permanent link">&para;</a></h3>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-7-1"><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="c1"># Check status</span>
</span><span id="__span-7-2"><a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>systemctl<span class="w"> </span>status<span class="w"> </span>oberon-governor
</span><span id="__span-7-3"><a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>
</span><span id="__span-7-4"><a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a><span class="c1"># Start/stop</span>
</span><span id="__span-7-5"><a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>sudo<span class="w"> </span>systemctl<span class="w"> </span>start<span class="w"> </span>oberon-governor
</span><span id="__span-7-6"><a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>sudo<span class="w"> </span>systemctl<span class="w"> </span>stop<span class="w"> </span>oberon-governor
</span><span id="__span-7-7"><a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a>
</span><span id="__span-7-8"><a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a><span class="c1"># Restart after config change</span>
</span><span id="__span-7-9"><a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a>sudo<span class="w"> </span>systemctl<span class="w"> </span>restart<span class="w"> </span>oberon-governor
</span><span id="__span-7-10"><a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a>
</span><span id="__span-7-11"><a id="__codelineno-7-11" name="__codelineno-7-11" href="#__codelineno-7-11"></a><span class="c1"># View logs</span>
</span><span id="__span-7-12"><a id="__codelineno-7-12" name="__codelineno-7-12" href="#__codelineno-7-12"></a>journalctl<span class="w"> </span>-u<span class="w"> </span>oberon-governor<span class="w"> </span>-f
</span></code></pre></div>
<hr />
<h2 id="gaming-performance">Gaming Performance<a class="headerlink" href="#gaming-performance" title="Permanent link">&para;</a></h2>
<h3 id="launch-options-steam">Launch Options (Steam)<a class="headerlink" href="#launch-options-steam" title="Permanent link">&para;</a></h3>
<p>For most games:
<div class="language-text highlight"><pre><span></span><code><span id="__span-8-1"><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>RADV_DEBUG=nohiz %command%
</span></code></pre></div></p>
<p>For games with visual glitches:
<div class="language-text highlight"><pre><span></span><code><span id="__span-9-1"><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>RADV_DEBUG=nohiz,nocompute %command%
</span></code></pre></div></p>
<h3 id="expected-fps-1080p">Expected FPS (1080p)<a class="headerlink" href="#expected-fps-1080p" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Game</th>
<th>Settings</th>
<th>FPS Range</th>
</tr>
</thead>
<tbody>
<tr>
<td>Cyberpunk 2077</td>
<td>High, FSR</td>
<td>60-90</td>
</tr>
<tr>
<td>Control</td>
<td>High, RT off</td>
<td>60+</td>
</tr>
<tr>
<td>Control</td>
<td>Medium, RT on</td>
<td>30-40</td>
</tr>
<tr>
<td>DMC 5</td>
<td>High</td>
<td>100+</td>
</tr>
<tr>
<td>CS2</td>
<td>High</td>
<td>120+</td>
</tr>
<tr>
<td>Elden Ring</td>
<td>High</td>
<td>60 (capped)</td>
</tr>
</tbody>
</table>
<p><a href="../../gaming/compatibility/">Game compatibility list →</a></p>
<hr />
<h2 id="troubleshooting-quick-fixes">Troubleshooting Quick Fixes<a class="headerlink" href="#troubleshooting-quick-fixes" title="Permanent link">&para;</a></h2>
<h3 id="no-display">No Display<a class="headerlink" href="#no-display" title="Permanent link">&para;</a></h3>
<p><strong>Solution:</strong> Boot with <code>nomodeset</code> parameter</p>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-10-1"><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="c1"># At GRUB, press &#39;e&#39;</span>
</span><span id="__span-10-2"><a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a><span class="c1"># Add &#39;nomodeset&#39; to linux line</span>
</span><span id="__span-10-3"><a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a><span class="c1"># Press Ctrl+X to boot</span>
</span></code></pre></div>
<h3 id="gpu-not-detected">GPU Not Detected<a class="headerlink" href="#gpu-not-detected" title="Permanent link">&para;</a></h3>
<p><strong>Check:</strong>
1. Mesa version ≥ 25.1: <code>glxinfo | grep Mesa</code>
2. Kernel ≤ 6.14: <code>uname -r</code>
3. nomodeset removed from GRUB
4. Governor running: <code>systemctl status oberon-governor</code></p>
<h3 id="bios-settings-dont-stick">BIOS Settings Don't Stick<a class="headerlink" href="#bios-settings-dont-stick" title="Permanent link">&para;</a></h3>
<p><strong>Solution:</strong> Clear CMOS properly</p>
<ol>
<li>Power off, unplug</li>
<li>Remove CMOS battery for 60 seconds</li>
<li>While battery out, press power button 5 times</li>
<li>Replace battery, boot, reconfigure</li>
</ol>
<h3 id="game-crashes">Game Crashes<a class="headerlink" href="#game-crashes" title="Permanent link">&para;</a></h3>
<p><strong>Check:</strong>
1. VRAM allocation (try 10GB/6GB fixed if using 512MB dynamic with ZRAM)
2. Disable ZRAM: <code>sudo systemctl disable zram-swap</code>
3. Update Mesa to latest
4. Check kernel version (use 6.15.7-6.17.7 or 6.12-6.14 LTS)</p>
<h3 id="high-temperatures">High Temperatures<a class="headerlink" href="#high-temperatures" title="Permanent link">&para;</a></h3>
<p><strong>Fix:</strong>
1. Check fans spinning: <code>sensors</code>
2. Straighten heatsink fins
3. Replace thermal paste
4. Verify high static pressure fans (3+ mmH2O)</p>
<p><a href="../../troubleshooting/display/">Full troubleshooting →</a></p>
<hr />
<h2 id="important-warnings">Important Warnings<a class="headerlink" href="#important-warnings" title="Permanent link">&para;</a></h2>
<div class="admonition danger">
<p class="admonition-title">Critical Warnings</p>
<ol>
<li><strong>Always clear CMOS after USB BIOS flash</strong></li>
<li><strong>Disable IOMMU in BIOS</strong> (IOMMU is broken - MUST disable)</li>
<li><strong>Use nomodeset during install, remove after drivers installed</strong></li>
<li><strong>Avoid kernel 6.15.0-6.15.6 and 6.17.8+</strong> (GPU driver fails)</li>
<li><strong>700mV minimum voltage</strong> (crashes below this)</li>
<li><strong>Active DP-HDMI adapters break audio</strong></li>
</ol>
</div>
<hr />
<h2 id="key-community-resources">Key Community Resources<a class="headerlink" href="#key-community-resources" title="Permanent link">&para;</a></h2>
<h3 id="official-documentation">Official Documentation<a class="headerlink" href="#official-documentation" title="Permanent link">&para;</a></h3>
<ul>
<li><strong>GitHub:</strong> <a href="https://github.com/mothenjoyer69/bc250-documentation">https://github.com/mothenjoyer69/bc250-documentation</a></li>
<li><strong>BIOS Repo:</strong> <a href="https://gitlab.com/TuxThePenguin0/bc250-bios/">https://gitlab.com/TuxThePenguin0/bc250-bios/</a></li>
<li><strong>Governor:</strong> Multiple forks (Oberon, Cyan Skillfish)</li>
</ul>
<h3 id="community">Community<a class="headerlink" href="#community" title="Permanent link">&para;</a></h3>
<ul>
<li><strong>Discord:</strong> 1000+ members, link in GitHub</li>
<li><strong>TheRetroWeb:</strong> <a href="https://theretroweb.com/motherboards/s/amd-bc-250">https://theretroweb.com/motherboards/s/amd-bc-250</a></li>
</ul>
<h3 id="key-contributors">Key Contributors<a class="headerlink" href="#key-contributors" title="Permanent link">&para;</a></h3>
<ul>
<li>mothenjoyer69 - Setup scripts</li>
<li>Average Data Hoarder - Modded BIOS</li>
<li>Segfault - Oberon Governor</li>
<li>FilippoR - COPR packages, Bazzite integration</li>
</ul>
<hr />
<p><strong>Need more detail?</strong> See the full documentation sections:
- <a href="../../getting-started/introduction/">Getting Started</a>
- <a href="../../bios/flashing/">BIOS Flashing</a>
- <a href="../../linux/distributions/">Linux Setup</a>
- <a href="../../troubleshooting/display/">Troubleshooting</a></p>
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