diff --git a/reactos/drivers/video/videoprt/videoprt.h b/reactos/drivers/video/videoprt/videoprt.h
index d33d7139eb3..3543b4c27d8 100644
--- a/reactos/drivers/video/videoprt/videoprt.h
+++ b/reactos/drivers/video/videoprt/videoprt.h
@@ -18,7 +18,7 @@
  * If not, write to the Free Software Foundation,
  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  *
- * $Id: videoprt.h,v 1.10 2004/04/08 09:43:55 navaraf Exp $
+ * $Id: videoprt.h,v 1.11 2004/10/23 23:43:23 ion Exp $
  */
 
 #ifndef VIDEOPRT_H
@@ -33,8 +33,16 @@
 
 int swprintf(wchar_t *buf, const wchar_t *fmt, ...);
 int vsprintf(char *buf, const char *fmt, va_list args);
-BOOLEAN STDCALL HalDisableSystemInterrupt(ULONG Vector, ULONG Unknown2);
-BOOLEAN STDCALL HalEnableSystemInterrupt(ULONG Vector, ULONG Unknown2, ULONG Unknown3);
+
+BOOLEAN STDCALL
+HalDisableSystemInterrupt(ULONG Vector,
+  KIRQL Irql);
+  
+BOOLEAN STDCALL
+HalEnableSystemInterrupt(ULONG Vector,
+  KIRQL Irql,
+  KINTERRUPT_MODE InterruptMode);
+
 PIMAGE_NT_HEADERS STDCALL RtlImageNtHeader(IN PVOID BaseAddress);
 
 #define TAG_VIDEO_PORT  TAG('V', 'I', 'D', 'P')
diff --git a/reactos/hal/hal/hal.c b/reactos/hal/hal/hal.c
index b0b6f9a1dfc..b6590cadcbd 100644
--- a/reactos/hal/hal/hal.c
+++ b/reactos/hal/hal/hal.c
@@ -1,4 +1,4 @@
-/* $Id: hal.c,v 1.6 2003/10/20 06:03:28 vizzini Exp $
+/* $Id: hal.c,v 1.7 2004/10/23 23:43:23 ion Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel
@@ -165,7 +165,7 @@ BOOLEAN
 STDCALL
 HalDisableSystemInterrupt(
   ULONG Vector,
-  ULONG Unknown2)
+  KIRQL Irql)
 {
   UNIMPLEMENTED;
 
@@ -186,8 +186,8 @@ BOOLEAN
 STDCALL
 HalEnableSystemInterrupt(
   ULONG Vector,
-  ULONG Unknown2,
-  ULONG Unknown3)
+  KIRQL Irql,
+  KINTERRUPT_MODE InterruptMode)
 {
   UNIMPLEMENTED;
 
diff --git a/reactos/hal/halx86/irql.c b/reactos/hal/halx86/irql.c
index ef83ab5d89f..14279465791 100644
--- a/reactos/hal/halx86/irql.c
+++ b/reactos/hal/halx86/irql.c
@@ -1,4 +1,4 @@
-/* $Id: irql.c,v 1.16 2004/10/17 15:39:27 hbirr Exp $
+/* $Id: irql.c,v 1.17 2004/10/23 23:43:23 ion Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -404,8 +404,11 @@ VOID STDCALL HalEndSystemInterrupt (KIRQL Irql, ULONG Unknown2)
   HalpEndSystemInterrupt(Irql);
 }
   
-BOOLEAN STDCALL HalDisableSystemInterrupt (ULONG Vector,
-					   ULONG Unknown2)
+BOOLEAN
+STDCALL
+HalDisableSystemInterrupt(
+  ULONG Vector,
+  KIRQL Irql)
 {
   ULONG irq;
   
@@ -427,9 +430,12 @@ BOOLEAN STDCALL HalDisableSystemInterrupt (ULONG Vector,
 }
 
 
-BOOLEAN STDCALL HalEnableSystemInterrupt (ULONG Vector,
-					  ULONG Unknown2,
-					  ULONG Unknown3)
+BOOLEAN
+STDCALL
+HalEnableSystemInterrupt(
+  ULONG Vector,
+  KIRQL Irql,
+  KINTERRUPT_MODE InterruptMode)
 {
   ULONG irq;
 
diff --git a/reactos/include/ddk/iotypes.h b/reactos/include/ddk/iotypes.h
index 0d14f8420ca..ab0692c4dd0 100644
--- a/reactos/include/ddk/iotypes.h
+++ b/reactos/include/ddk/iotypes.h
@@ -1,4 +1,4 @@
-/* $Id: iotypes.h,v 1.65 2004/10/19 22:47:38 ekohl Exp $
+/* $Id: iotypes.h,v 1.66 2004/10/23 23:43:23 ion Exp $
  *
  */
 
@@ -1292,6 +1292,12 @@ typedef struct _IO_ERROR_LOG_MESSAGE
 
 
 /* DMA types */
+ 
+typedef struct _DMA_ADAPTER {
+  USHORT  Version;
+  USHORT  Size;
+  struct _DMA_OPERATIONS  *DmaOperations;
+} DMA_ADAPTER, *PDMA_ADAPTER;
 
 typedef struct _SCATTER_GATHER_ELEMENT {
   PHYSICAL_ADDRESS Address;
@@ -1305,15 +1311,6 @@ typedef struct _SCATTER_GATHER_LIST {
   SCATTER_GATHER_ELEMENT Elements[];
 } SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST;
 
-typedef struct _DMA_OPERATIONS *PDMA_OPERATIONS;
-
-typedef struct _DMA_ADAPTER {
-  USHORT Version;
-  USHORT Size;
-  PDMA_OPERATIONS DmaOperations;
-  PADAPTER_OBJECT HalAdapter;
-} DMA_ADAPTER, *PDMA_ADAPTER;
-
 typedef VOID (*PPUT_DMA_ADAPTER)(
   PDMA_ADAPTER DmaAdapter
   );
@@ -1415,8 +1412,7 @@ typedef struct _DMA_OPERATIONS {
   PREAD_DMA_COUNTER ReadDmaCounter;
   PGET_SCATTER_GATHER_LIST GetScatterGatherList;
   PPUT_SCATTER_GATHER_LIST PutScatterGatherList;
-} DMA_OPERATIONS;
-
+} DMA_OPERATIONS, *PDMA_OPERATIONS;
 
 /* Standard bus interface */
 
diff --git a/reactos/include/ntos/halfuncs.h b/reactos/include/ntos/halfuncs.h
index c2541aa6c06..15d28767130 100755
--- a/reactos/include/ntos/halfuncs.h
+++ b/reactos/include/ntos/halfuncs.h
@@ -13,12 +13,12 @@ HalBeginSystemInterrupt(ULONG Vector,
 
 BOOLEAN STDCALL
 HalDisableSystemInterrupt(ULONG Vector,
-  ULONG Unknown2);
+  KIRQL Irql);
 
 BOOLEAN STDCALL
 HalEnableSystemInterrupt(ULONG Vector,
-  ULONG Unknown2,
-  ULONG Unknown3);
+  KIRQL Irql,
+  KINTERRUPT_MODE InterruptMode);
 
 VOID STDCALL
 HalEndSystemInterrupt(KIRQL Irql,
diff --git a/reactos/include/ntos/rtl.h b/reactos/include/ntos/rtl.h
index 7b9d12a274f..ec64d54baa0 100755
--- a/reactos/include/ntos/rtl.h
+++ b/reactos/include/ntos/rtl.h
@@ -1,4 +1,4 @@
-/* $Id: rtl.h,v 1.35 2004/10/22 20:53:11 ekohl Exp $
+/* $Id: rtl.h,v 1.36 2004/10/23 23:43:23 ion Exp $
  * 
  */
 #ifndef __DDK_RTL_H
@@ -1493,6 +1493,13 @@ RtlInitializeSid (PSID Sid,
 		  PSID_IDENTIFIER_AUTHORITY IdentifierAuthority,
 		  UCHAR SubAuthorityCount);
 
+VOID
+STDCALL
+RtlInitializeBitMap(
+  IN PRTL_BITMAP  BitMapHeader,
+  IN PULONG  BitMapBuffer,
+  IN ULONG  SizeOfBitMap); 
+  
 VOID
 STDCALL
 RtlInitNlsTables (