BD-FIX

Voltage Sequence Chart

Shoaib October 02, 2025

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 <title>Voltage Sequence Chart (1–35)</title>
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</head>
<body>
 <div class="wrap">
 <header>
 <h1>Voltage Sequence Chart (Steps 1–35)</h1>
 <div class="tools">
 <label class="tool">
 Search
 <input id="q" placeholder="Type voltage/rail (e.g., RTC_VCC, VCCIO, 3.3V ALW)" />
 </label>
 <label class="tool">
 Highlight generation
 <select id="genSelect">
 <option value="">— All —</option>
 <option value="g1">1st Gen (Arrandale)</option>
 <option value="g2">2nd/3rd Gen (Sandybridge/Ivybridge)</option>
 <option value="g3">4th/5th Gen (Haswell/Broadwell)</option>
 <option value="g4">6th–10th Gen (Skylake/Kabylake/Whisky/Coffee/Comet)</option>
 <option value="g5">10th/11th Gen (Icelake/Tiger Lake)</option>
 <option value="g6">12th Gen (Alder Lake)</option>
 </select>
 </label>
 Legend: value = rail present, X = not used / N.A., * = vendor-specific naming.
 </div>
 <div class="toggles" id="toggles">
 <label class="toggle"><input type="checkbox" data-col="g1" checked /> 1st Gen</label>
 <label class="toggle"><input type="checkbox" data-col="g2" checked /> 2nd/3rd Gen</label>
 <label class="toggle"><input type="checkbox" data-col="g3" checked /> 4th/5th Gen</label>
 <label class="toggle"><input type="checkbox" data-col="g4" checked /> 6th–10th Gen</label>
 <label class="toggle"><input type="checkbox" data-col="g5" checked /> 10th/11th Gen</label>
 <label class="toggle"><input type="checkbox" data-col="g6" checked /> 12th Gen</label>
 </div>
 </header><div class="table">
 <table id="chart">
 <thead>
 <tr>
 <th data-col="sl">SL</th>
 <th data-col="g1">1st Gen Arrandale</th>
 <th data-col="g2">2nd/3rd Gen Sandybridge/Ivybridge</th>
 <th data-col="g3">4th/5th Gen Haswell/Broadwell</th>
 <th data-col="g4">6th–10th Gen Skylake/Kabylake/Whisky/Coffee/Comet</th>
 <th data-col="g5">10th/11th Gen Icelake/Tiger Lake</th>
 <th data-col="g6">12th Gen Alder Lake</th>
 </tr>
 </thead>
 <tbody>
 
 <tr><td class="sl" data-col="sl" data-label="SL">1</td><td data-col="g1" data-label="1st Gen">RTC_VCC</td><td data-col="g2" data-label="2nd/3rd Gen">RTC_VCC</td><td data-col="g3" data-label="4th/5th Gen">RTC_VCC</td><td data-col="g4" data-label="6th–10th Gen">RTC_VCC</td><td data-col="g5" data-label="10th/11th Gen">RTC_VCC</td><td data-col="g6" data-label="12th Gen">RTC_VCC</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">2</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">TBT_VBUS 5V</td><td data-col="g5" data-label="10th/11th Gen">TBT_VBUS 5V</td><td data-col="g6" data-label="12th Gen">TBT_VBUS 5V</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">3</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">TBT_LDO 3.3V/1.8V</td><td data-col="g5" data-label="10th/11th Gen">TBT_LDO 3.3V/1.8V</td><td data-col="g6" data-label="12th Gen">TBT_LDO 3.3V/1.8V</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">4</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">CHG_VIN_20V/SDC_IN</td><td data-col="g5" data-label="10th/11th Gen">CHG_VIN_20V/SDC_IN</td><td data-col="g6" data-label="12th Gen">CHG_VIN_20V/SDC_IN</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">5</td><td data-col="g1" data-label="1st Gen">19V</td><td data-col="g2" data-label="2nd/3rd Gen">19V</td><td data-col="g3" data-label="4th/5th Gen">19V/13V*</td><td data-col="g4" data-label="6th–10th Gen">19V/13V*</td><td data-col="g5" data-label="10th/11th Gen">19V/13V*</td><td data-col="g6" data-label="12th Gen">19V/13V*</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">6</td><td data-col="g1" data-label="1st Gen">3.3V ALW</td><td data-col="g2" data-label="2nd/3rd Gen">3.3V ALW</td><td data-col="g3" data-label="4th/5th Gen">3.3V ALW</td><td data-col="g4" data-label="6th–10th Gen">3.3V ALW</td><td data-col="g5" data-label="10th/11th Gen">3.3V ALW</td><td data-col="g6" data-label="12th Gen">3.3V ALW</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">7</td><td data-col="g1" data-label="1st Gen">5V ALW</td><td data-col="g2" data-label="2nd/3rd Gen">5V ALW</td><td data-col="g3" data-label="4th/5th Gen">5V ALW</td><td data-col="g4" data-label="6th–10th Gen">5V ALW</td><td data-col="g5" data-label="10th/11th Gen">5V ALW</td><td data-col="g6" data-label="12th Gen">5V ALW</td></tr>

<tr><td class="sl" data-col="sl" data-label="SL">8</td><td data-col="g1" data-label="1st Gen">15V ALW*</td><td data-col="g2" data-label="2nd/3rd Gen">15V ALW*</td><td data-col="g3" data-label="4th/5th Gen">15V ALW*</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">9</td><td data-col="g1" data-label="1st Gen">19VSB (COMPAL)*</td><td data-col="g2" data-label="2nd/3rd Gen">19VSB (COMPAL)*</td><td data-col="g3" data-label="4th/5th Gen">19VSB (COMPAL)*</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">10</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1.8V ALW</td><td data-col="g5" data-label="10th/11th Gen">1.8V ALW</td><td data-col="g6" data-label="12th Gen">1.8V ALW</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">11</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">VCC1.05_OUT_PCH</td><td data-col="g6" data-label="12th Gen">VCC1.05_OUT_PCH</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">12</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">VCC1.05_OUT_FET</td><td data-col="g6" data-label="12th Gen">VCC1.05_OUT_FET</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">13</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1V ALW</td><td data-col="g5" data-label="10th/11th Gen">1.8V VCCIN_AUX</td><td data-col="g6" data-label="12th Gen">1.8V VCCIN_AUX</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">14</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">3.3V PCH (COMPAL)*</td><td data-col="g4" data-label="6th–10th Gen">3.3V PCH (COMPAL)*</td><td data-col="g5" data-label="10th/11th Gen">3.3V PCH (COMPAL)*</td><td data-col="g6" data-label="12th Gen">3.3V PCH (COMPAL)*</td></tr>

<tr><td class="sl" data-col="sl" data-label="SL">15</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">5V PCH (COMPAL)*</td><td data-col="g4" data-label="6th–10th Gen">5V PCH (COMPAL)*</td><td data-col="g5" data-label="10th/11th Gen">5V PCH (COMPAL)*</td><td data-col="g6" data-label="12th Gen">5V PCH (COMPAL)*</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">16</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1V VCCST</td><td data-col="g5" data-label="10th/11th Gen">1V VCCST</td><td data-col="g6" data-label="12th Gen">+1.05V_PROC</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">17</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">2.5V VPP</td><td data-col="g5" data-label="10th/11th Gen">2.5V VPP</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">18</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">5V_VDDQ</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">19</td><td data-col="g1" data-label="1st Gen">1.5V VDDQ</td><td data-col="g2" data-label="2nd/3rd Gen">1.5V VDDQ</td><td data-col="g3" data-label="4th/5th Gen">1.35V VDDQ</td><td data-col="g4" data-label="6th–10th Gen">1.2V VDDQ</td><td data-col="g5" data-label="10th/11th Gen">1.2V VDDQ</td><td data-col="g6" data-label="12th Gen">1.1V CPU_VDDQ</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">20</td><td data-col="g1" data-label="1st Gen">3.3V VS/S0</td><td data-col="g2" data-label="2nd/3rd Gen">3.3V VS/S0</td><td data-col="g3" data-label="4th/5th Gen">3.3V VS/S0</td><td data-col="g4" data-label="6th–10th Gen">3.3V VS/S0</td><td data-col="g5" data-label="10th/11th Gen">3.3V VS/S0</td><td data-col="g6" data-label="12th Gen">3.3V VS/S0</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">21</td><td data-col="g1" data-label="1st Gen">5V VS/S0</td><td data-col="g2" data-label="2nd/3rd Gen">5V VS/S0</td><td data-col="g3" data-label="4th/5th Gen">5V VS/S0</td><td data-col="g4" data-label="6th–10th Gen">5V VS/S0</td><td data-col="g5" data-label="10th/11th Gen">5V VS/S0</td><td data-col="g6" data-label="12th Gen">5V VS/S0</td></tr>

<tr><td class="sl" data-col="sl" data-label="SL">22</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1V VCCIO</td><td data-col="g5" data-label="10th/11th Gen">1.05V VCCIO*</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">23</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1V VCCSTG</td><td data-col="g5" data-label="10th/11th Gen">1V VCCSTG</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">24</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1.8V S0*</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">25</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">1.2V S0*</td><td data-col="g5" data-label="10th/11th Gen">1.2V S0*</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">26</td><td data-col="g1" data-label="1st Gen">1.5V_CPU_VDDQ</td><td data-col="g2" data-label="2nd/3rd Gen">1.5V_CPU_VDDQ</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">27</td><td data-col="g1" data-label="1st Gen">1.8V S0</td><td data-col="g2" data-label="2nd/3rd Gen">1.8V S0</td><td data-col="g3" data-label="4th/5th Gen">1.8V S0</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">28</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">1.5V S0*</td><td data-col="g3" data-label="4th/5th Gen">1.5V S0*</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>

<tr><td class="sl" data-col="sl" data-label="SL">29</td><td data-col="g1" data-label="1st Gen">1.05V PCH CORE*</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">30</td><td data-col="g1" data-label="1st Gen">1.05V VTT/VCCP</td><td data-col="g2" data-label="2nd/3rd Gen">1.05V VTT/VCCP</td><td data-col="g3" data-label="4th/5th Gen">1.05V VTT/VCCP</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">31</td><td data-col="g1" data-label="1st Gen">0.75V RAM VTT</td><td data-col="g2" data-label="2nd/3rd Gen">0.75V RAM VTT</td><td data-col="g3" data-label="4th/5th Gen">0.67V RAM VTT</td><td data-col="g4" data-label="6th–10th Gen">0.60V RAM VTT</td><td data-col="g5" data-label="10th/11th Gen">0.60V RAM VTT</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">32</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">VCCSA</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">VCCSA</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">33</td><td data-col="g1" data-label="1st Gen">GFX CORE</td><td data-col="g2" data-label="2nd/3rd Gen">X</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">X</td><td data-col="g5" data-label="10th/11th Gen">X</td><td data-col="g6" data-label="12th Gen">X</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">34</td><td data-col="g1" data-label="1st Gen">CPU CORE</td><td data-col="g2" data-label="2nd/3rd Gen">CPU CORE</td><td data-col="g3" data-label="4th/5th Gen">CPU CORE</td><td data-col="g4" data-label="6th–10th Gen">CPU CORE (VCCIN)</td><td data-col="g5" data-label="10th/11th Gen">CPU CORE (VCCIN)</td><td data-col="g6" data-label="12th Gen">CPU CORE (VCCIN)</td></tr>
 <tr><td class="sl" data-col="sl" data-label="SL">35</td><td data-col="g1" data-label="1st Gen">X</td><td data-col="g2" data-label="2nd/3rd Gen">GFX CORE</td><td data-col="g3" data-label="4th/5th Gen">X</td><td data-col="g4" data-label="6th–10th Gen">GFX CORE (VCC_GT)</td><td data-col="g5" data-label="10th/11th Gen">GFX CORE (VCC_GT)</td><td data-col="g6" data-label="12th Gen">GFX CORE (VCC_GT)</td></tr>
 </tbody>
 </table>
</div>

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 Tip: Use the search box to quickly find a rail. Choose a generation to highlight its column. Toggle generations to hide/show specific columns. Cells marked with * reflect vendor-specific labels (e.g., Compal).
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</div> <script>
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      const needle = (q.value || '').trim().toLowerCase();
      const rows = table.tBodies[0].rows;
      for (const tr of rows) {
        const text = tr.innerText.toLowerCase();
        tr.style.display = needle && !text.includes(needle) ? 'none' : '';
      }
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Voltage Sequence Chart (1–35) Voltage Sequence Chart (Steps 1–35) Search ...

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