diff --git a/reactos/ntoskrnl/ke/i386/v86vdm.c b/reactos/ntoskrnl/ke/i386/v86vdm.c
index 0a9a1da5e95..efb8a0c7721 100644
--- a/reactos/ntoskrnl/ke/i386/v86vdm.c
+++ b/reactos/ntoskrnl/ke/i386/v86vdm.c
@@ -120,4 +120,38 @@ Ke386CallBios(IN ULONG Int,
     return STATUS_SUCCESS;
 }
 
-/* EOF */
+/*
+ * @unimplemented
+ */
+BOOLEAN
+NTAPI
+Ke386IoSetAccessProcess(IN PKPROCESS Process,
+                        IN ULONG Flag)
+{
+    UNIMPLEMENTED;
+    return FALSE;
+}
+
+/*
+ * @unimplemented
+ */
+BOOLEAN
+NTAPI
+Ke386SetIoAccessMap(IN ULONG Flag,
+                    IN PVOID IopmBuffer)
+{
+    UNIMPLEMENTED;
+    return FALSE;
+}
+
+/*
+ * @unimplemented
+ */
+BOOLEAN
+NTAPI
+Ke386QueryIoAccessMap(IN ULONG Flag,
+                      IN PVOID IopmBuffer)
+{
+    UNIMPLEMENTED;
+    return FALSE;
+}
diff --git a/reactos/ntoskrnl/ntoskrnl.pspec b/reactos/ntoskrnl/ntoskrnl.pspec
index c742bd33ccf..1870dec81e9 100644
--- a/reactos/ntoskrnl/ntoskrnl.pspec
+++ b/reactos/ntoskrnl/ntoskrnl.pspec
@@ -538,9 +538,9 @@
 @ stdcall KdSystemDebugControl(long ptr long ptr long ptr long)
 #ifdef _M_IX86
 @ stdcall Ke386CallBios(long ptr)
-;Ke386IoSetAccessProcess
-;Ke386QueryIoAccessMap
-;Ke386SetIoAccessMap
+@ stdcall Ke386IoSetAccessProcess(ptr long)
+@ stdcall Ke386QueryIoAccessMap(long ptr)
+@ stdcall Ke386SetIoAccessMap(long ptr)
 #endif
 @ fastcall KeAcquireGuardedMutex(ptr)
 @ fastcall KeAcquireGuardedMutexUnsafe(ptr)