Index: /trunk/src/VBox/Devices/PC/BIOS/makefile
===================================================================
--- /trunk/src/VBox/Devices/PC/BIOS/makefile	(revision 67887)
+++ /trunk/src/VBox/Devices/PC/BIOS/makefile	(revision 67888)
@@ -19,4 +19,6 @@
 CFLAGS   = -q -0 -wx -zu -s -oas -d1+ -ms
 CFLAGS32 = -q -wx -zu -s -oas -d1+ -ms -nt=BIOS32 -nd=BIOS32
+# -oat seems to prevent ENTER/LEAVE generation
+#CFLAGS32 = -q -wx -zu -s -oat -d1+ -ms -nt=BIOS32 -nd=BIOS32
 
 DEFS = -DVBOX -DVBOX_LANBOOT_SEG=0xE200 -DVBOX_VERSION_STRING=$(Q)0.9$(Q) &
@@ -53,5 +55,5 @@
 	 clname DATA segaddr=0xF000 segment _DATA &
 	 clname CODE &
-	 segment _TEXT segaddr=0xF000 offset=0x1600 &
+	 segment _TEXT segaddr=0xF000 offset=0x1C00 &
 	 segment BIOS32 segaddr=0xF000 offset=0xDB00 &
 	 segment BIOSSEG segaddr=0xF000 offset=0xE000 &
Index: /trunk/src/VBox/Devices/PC/BIOS/orgs.asm
===================================================================
--- /trunk/src/VBox/Devices/PC/BIOS/orgs.asm	(revision 67887)
+++ /trunk/src/VBox/Devices/PC/BIOS/orgs.asm	(revision 67888)
@@ -523,6 +523,6 @@
 
                 ;; Serial setup
-                SET_INT_VECTOR 0Bh, BIOSSEG, dummy_isr
-                SET_INT_VECTOR 0Ch, BIOSSEG, dummy_isr
+                SET_INT_VECTOR 0Bh, BIOSSEG, dummy_isr  ; IRQ 3
+                SET_INT_VECTOR 0Ch, BIOSSEG, dummy_isr  ; IRQ 4
                 SET_INT_VECTOR 14h, BIOSSEG, int14_handler
                 xor     bx, bx
@@ -851,5 +851,6 @@
                 SET_INT_VECTOR 0Dh, BIOSSEG, dummy_isr  ; IRQ 5
                 SET_INT_VECTOR 0Fh, BIOSSEG, dummy_isr  ; IRQ 7
-                SET_INT_VECTOR 72h, BIOSSEG, dummy_isr  ; IRQ 11
+                SET_INT_VECTOR 72h, BIOSSEG, dummy_isr  ; IRQ 10
+                SET_INT_VECTOR 73h, BIOSSEG, dummy_isr  ; IRQ 11
                 SET_INT_VECTOR 77h, BIOSSEG, dummy_isr  ; IRQ 15