
<td>#NP(selector)</td>
<td>If the return code segment is not present.</td></tr>
<tr>
<td>#PF(fault-code)</td>
<td>If a page fault occurs.</td></tr>
<tr>
<td>#AC(0)</td>
<td>If an unaligned memory access occurs when the CPL is 3 and alignment checking is enabled.</td></tr></table>
<h2>Real-Address Mode Exceptions</h2>
<table class="exception-table">
<tr>
<td>#GP</td>
<td>If the return instruction pointer is not within the return code segment limit</td></tr>
<tr>
<td>#SS</td>
<td>If the top bytes of stack ar