diff --git a/include/dos_inc.h b/include/dos_inc.h
index 0d093c5f..1da5cdad 100644
--- a/include/dos_inc.h
+++ b/include/dos_inc.h
@@ -16,7 +16,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/* $Id: dos_inc.h,v 1.59 2006-02-09 11:47:47 qbix79 Exp $ */
+/* $Id: dos_inc.h,v 1.60 2006-04-21 08:50:30 qbix79 Exp $ */
 
 #ifndef DOSBOX_DOS_INC_H
 #define DOSBOX_DOS_INC_H
@@ -367,6 +367,7 @@ public:
 	Bit16u	GetStartOfUMBChain(void);
 	Bit8u	GetUMBChainState(void);
 	RealPt	GetPointer(void);
+	Bit32u GetDeviceChain(void);
 
 	#ifdef _MSC_VER
 	#pragma pack(1)
diff --git a/src/dos/dos_classes.cpp b/src/dos/dos_classes.cpp
index 40a9687c..a629969d 100644
--- a/src/dos/dos_classes.cpp
+++ b/src/dos/dos_classes.cpp
@@ -16,7 +16,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/* $Id: dos_classes.cpp,v 1.47 2006-02-09 11:47:48 qbix79 Exp $ */
+/* $Id: dos_classes.cpp,v 1.48 2006-04-21 08:50:30 qbix79 Exp $ */
 
 #include <string.h>
 #include <stdlib.h>
@@ -168,13 +168,16 @@ RealPt DOS_InfoBlock::GetPointer(void) {
 	return RealMake(seg,offsetof(sDIB,firstDPB));
 }
 
+Bit32u DOS_InfoBlock::GetDeviceChain(void) {
+	return sGet(sDIB,nulNextDriver);
+}
+
 
 /* program Segment prefix */
 
 Bit16u DOS_PSP::rootpsp = 0;
 
-void DOS_PSP::MakeNew(Bit16u mem_size) 
-{
+void DOS_PSP::MakeNew(Bit16u mem_size) {
 	/* get previous */
 	DOS_PSP prevpsp(dos.psp());
 	/* Clear it first */