Add hints about nForce3 issues

svn path=/head/; revision=123305

release/doc/en_US.ISO8859-1/installation/common/trouble.sgml

@@ -31,7 +31,7 @@
   <sect2>
     <title>Common Installation Problems for &arch.print; Architecture Users</title>
 
-    <qandaset arch="i386">
+    <qandaset arch="i386,amd64">
       <qandaentry>
         <question>
           <para>My system hangs while probing hardware during boot, or it
@@ -56,6 +56,21 @@
             boot loader can be found in the FreeBSD Handbook.</para>
         </answer>
       </qandaentry>
+      <qandaentry arch="amd64">
+        <question>
+          <para>My system uses the nVidia nForce3 Pro-150 chipset and I get hangs
+	    at the end of boot or suddenly starts losing interrupts.</para>
+	</question>
+	<answer>
+	  <para>There are problems with the apic on this chipset and/or the
+	    bios on every machine that we had seen at the time of release.
+	    While disabling ACPI as above will work, a less drastic option may
+	    be to set the <quote>hint.apic.0.disabled</quote> hint instead.
+	    If you have the option in the bios, try disabling the APIC support.
+	    Unfortunately some machines lack this option.
+	  </para>
+	</answer>
+      </qandaentry>
       <qandaentry>
         <question>
           <para>My legacy ISA device used to be recognized in previous versions