Index: boot/bootdata/packages/reactos.dff
===================================================================
--- boot/bootdata/packages/reactos.dff	(revision 33959)
+++ boot/bootdata/packages/reactos.dff	(working copy)
@@ -510,6 +510,7 @@
 media\inf\cdrom.inf                                 6
 media\inf\display.inf                               6
 media\inf\font.inf                                  6
+media\inf\fdc.inf                                   6
 media\inf\hdc.inf                                   6
 media\inf\intl.inf                                  6
 media\inf\layout.inf                                6
Index: drivers/bus/acpi/ospm/osl.c
===================================================================
--- drivers/bus/acpi/ospm/osl.c	(revision 33959)
+++ drivers/bus/acpi/ospm/osl.c	(working copy)
@@ -635,7 +635,7 @@
 
   DPRINT("Waiting for semaphore[%p|%d|%d]\n", handle, units, timeout);
 
-  //ExAcquireFastMutex(Mutex);
+  ExAcquireFastMutex(Mutex);
 
   return AE_OK;
 }
@@ -654,7 +654,7 @@
 
   DPRINT("Signaling semaphore[%p|%d]\n", handle, units);
 
-  //ExReleaseFastMutex(Mutex);
+  ExReleaseFastMutex(Mutex);
 
   return AE_OK;
 }
Index: ntoskrnl/io/pnpmgr/pnpmgr.c
===================================================================
--- ntoskrnl/io/pnpmgr/pnpmgr.c	(revision 33959)
+++ ntoskrnl/io/pnpmgr/pnpmgr.c	(working copy)
@@ -15,7 +15,7 @@
 #define NDEBUG
 #include <internal/debug.h>
 
-//#define ENABLE_ACPI
+#define ENABLE_ACPI
 
 /* GLOBALS *******************************************************************/