Index: /trunk/src/VBox/Devices/Storage/DevBusLogic.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/DevBusLogic.cpp	(revision 76074)
+++ /trunk/src/VBox/Devices/Storage/DevBusLogic.cpp	(revision 76075)
@@ -404,16 +404,13 @@
     /** Default ISA I/O port base in FW-compatible format. */
     uint8_t                         uDefaultISABaseCode;
-
     /** Emulated device type. */
     uint8_t                         uDevType;
+
     /** Signature index for Adaptec models. */
     uint8_t                         uAhaSigIdx;
+    uint8_t                         Alignment0[3];
 
     /** Number of mailboxes the guest set up. */
     uint32_t                        cMailbox;
-
-#if HC_ARCH_BITS == 64
-    uint32_t                        Alignment0;
-#endif
 
     /** Time when HBA reset was last initiated. */  /**< @todo does this need to be saved? */