er ID (Bus#, Device#, Function#). Location is identified by its offset from the beginning of the configuration space.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">InstancePtr</td><td>is the PCIe component to operate on. </td></tr>
    <tr><td class="paramname">Bus</td><td>is the external PCIe function's Bus number. </td></tr>
    <tr><td class="paramname">Device</td><td>is the external PCIe function's Device number. </td></tr>
    <tr><td class="param