Index: /trunk/src/VBox/Devices/PC/BIOS/rombios.c
===================================================================
--- /trunk/src/VBox/Devices/PC/BIOS/rombios.c	(revision 37048)
+++ /trunk/src/VBox/Devices/PC/BIOS/rombios.c	(revision 37049)
@@ -7504,5 +7504,5 @@
     // 360K 5.25" drive
     config_data = 0x00; // 0000 0000
-    media_state = 0x25; // 0010 0101
+    media_state = 0x15; // 0001 0101
     retval = 1;
     }
@@ -7510,5 +7510,5 @@
     // 1.2 MB 5.25" drive
     config_data = 0x00; // 0000 0000
-    media_state = 0x25; // 0010 0101   // need double stepping??? (bit 5)
+    media_state = 0x35; // 0011 0101   // need double stepping??? (bit 5)
     retval = 1;
     }
@@ -7580,7 +7580,7 @@
 
   if (drive == 0)
-    media_state_offset = 0x90;
+    media_state_offset = 0x0090;
   else
-    media_state_offset = 0x91;
+    media_state_offset = 0x0091;
   write_byte(0x0040, 0x008B, config_data);
   write_byte(0x0040, media_state_offset, media_state);