Index: /trunk/include/iprt/asm-amd64-x86.h
===================================================================
--- /trunk/include/iprt/asm-amd64-x86.h	(revision 30802)
+++ /trunk/include/iprt/asm-amd64-x86.h	(revision 30803)
@@ -713,5 +713,5 @@
     int aInfo[4];
     __cpuid(aInfo, uOperator);
-    xDX = aInfo[1];
+    xBX = aInfo[1];
 
 # else