Index: /trunk/include/VBox/ostypes.h
===================================================================
--- /trunk/include/VBox/ostypes.h	(revision 58600)
+++ /trunk/include/VBox/ostypes.h	(revision 58601)
@@ -133,4 +133,5 @@
     VBOXOSTYPE_Haiku            = 0xD0000,
     VBOXOSTYPE_Haiku_x64        = 0xD0100,
+    VBOXOSTYPE_VBoxBS_x64       = 0xE0100,
 /** The bit number which indicates 64-bit or 32-bit. */
 #define VBOXOSTYPE_x64_BIT       8
Index: /trunk/src/VBox/Main/src-all/Global.cpp
===================================================================
--- /trunk/src/VBox/Main/src-all/Global.cpp	(revision 58600)
+++ /trunk/src/VBox/Main/src-all/Global.cpp	(revision 58601)
@@ -400,4 +400,8 @@
         1024, 4,  8 * _1G64, NetworkAdapterType_I82545EM, 0, StorageControllerType_PIIX4, StorageBus_IDE,
         StorageControllerType_BusLogic, StorageBus_SCSI, ChipsetType_PIIX3, AudioControllerType_AC97, AudioCodecType_STAC9700  },
+    { "Other",   "Other",             "VBoxBS_64",          "VirtualBox Bootsector Test (64-bit)",
+        VBOXOSTYPE_VBoxBS_x64,    VBOXOSHINT_HWVIRTEX | VBOXOSHINT_FLOPPY | VBOXOSHINT_IOAPIC | VBOXOSHINT_PAE | VBOXOSHINT_64BIT,
+        128, 4,  0, NetworkAdapterType_I82545EM, 0, StorageControllerType_PIIX4, StorageBus_IDE,
+        StorageControllerType_PIIX4, StorageBus_IDE, ChipsetType_PIIX3, AudioControllerType_AC97, AudioCodecType_STAC9700  },
 };