diff --git a/src/ints/bios_disk.cpp b/src/ints/bios_disk.cpp
index 0387ede1..c9843046 100644
--- a/src/ints/bios_disk.cpp
+++ b/src/ints/bios_disk.cpp
@@ -16,7 +16,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/* $Id: bios_disk.cpp,v 1.18 2005-06-06 16:07:31 qbix79 Exp $ */
+/* $Id: bios_disk.cpp,v 1.19 2005-08-23 13:19:38 qbix79 Exp $ */
 
 #include "dosbox.h"
 #include "callback.h"
@@ -30,11 +30,13 @@
 #define MAX_DISK_IMAGES 4
 
 diskGeo DiskGeometryList[] = {
-	{160,  8, 1, 40, 0},
-	{180,  9, 1, 40, 0},
-	{320,  8, 2, 40, 1},
-	{360,  9, 2, 40, 1},
-	{720,  9, 2, 80, 3},
+	{ 160,  8, 1, 40, 0},
+	{ 180,  9, 1, 40, 0},
+	{ 200, 10, 1, 40, 0},
+	{ 320,  8, 2, 40, 1},
+	{ 360,  9, 2, 40, 1},
+	{ 400, 10, 2, 40, 1},
+	{ 720,  9, 2, 80, 3},
 	{1200, 15, 2, 80, 2},
 	{1440, 18, 2, 80, 4},
 	{2880, 36, 2, 80, 6},