diff --git a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Atapi.c b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Atapi.c
index a5b92ea770..1a3cb2e0a0 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Atapi.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Atapi.c
@@ -1,7 +1,7 @@
 /** @file
    This file contains all helper functions on the ATAPI command 
   
-  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials                          
   are licensed and made available under the terms and conditions of the BSD License         
   which accompanies this distribution.  The full text of the license may be found at        
@@ -554,7 +554,7 @@ AtapiInquiry (
   ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));
   Packet.Inquiry.opcode             = ATA_CMD_INQUIRY;
   Packet.Inquiry.page_code          = 0;
-  Packet.Inquiry.allocation_length  = sizeof (ATAPI_INQUIRY_DATA);
+  Packet.Inquiry.allocation_length  = (UINT8) sizeof (ATAPI_INQUIRY_DATA);
 
   InquiryData                       = AllocatePool (sizeof (ATAPI_INQUIRY_DATA));
   if (InquiryData == NULL) {
@@ -790,7 +790,7 @@ AtapiRequestSense (
   //
   ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));
   Packet.RequestSence.opcode            = ATA_CMD_REQUEST_SENSE;
-  Packet.RequestSence.allocation_length = sizeof (ATAPI_REQUEST_SENSE_DATA);
+  Packet.RequestSence.allocation_length = (UINT8) sizeof (ATAPI_REQUEST_SENSE_DATA);
 
   //
   // initialize pointer
diff --git a/IntelFrameworkModulePkg/Library/DxeReportStatusCodeLibFramework/ReportStatusCodeLib.c b/IntelFrameworkModulePkg/Library/DxeReportStatusCodeLibFramework/ReportStatusCodeLib.c
index 1b422b3148..cf1f74c26c 100644
--- a/IntelFrameworkModulePkg/Library/DxeReportStatusCodeLibFramework/ReportStatusCodeLib.c
+++ b/IntelFrameworkModulePkg/Library/DxeReportStatusCodeLibFramework/ReportStatusCodeLib.c
@@ -1,7 +1,7 @@
 /** @file
   Report Status Code Library for DXE Phase.
 
-  Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -507,7 +507,7 @@ ReportStatusCodeEx (
   //
   // Fill in the extended data header
   //
-  StatusCodeData->HeaderSize = sizeof (EFI_STATUS_CODE_DATA);
+  StatusCodeData->HeaderSize = (UINT16) sizeof (EFI_STATUS_CODE_DATA);
   StatusCodeData->Size = (UINT16)ExtendedDataSize;
   if (ExtendedDataGuid == NULL) {
     ExtendedDataGuid = &gEfiStatusCodeSpecificDataGuid;
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c
index 9b727acbe2..a3d910c9b9 100644
--- a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c
+++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c
@@ -499,7 +499,7 @@ BdsLibVariableToOption (
   // Unicode stream to ASCII without any loss in meaning.
   //
   if (*VariableName == 'B') {
-    NumOff = sizeof (L"Boot")/sizeof(CHAR16) -1 ;
+    NumOff = (UINT8) (sizeof (L"Boot") / sizeof(CHAR16) - 1);
     Option->BootCurrent = (UINT16) ((VariableName[NumOff]  -'0') * 0x1000);
     Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+1]-'0') * 0x100));
     Option->BootCurrent = (UINT16) (Option->BootCurrent +  ((VariableName[NumOff+2]-'0') * 0x10));
diff --git a/IntelFrameworkModulePkg/Library/SmmRuntimeDxeReportStatusCodeLibFramework/ReportStatusCodeLib.c b/IntelFrameworkModulePkg/Library/SmmRuntimeDxeReportStatusCodeLibFramework/ReportStatusCodeLib.c
index cd769d0c61..6c593429d9 100644
--- a/IntelFrameworkModulePkg/Library/SmmRuntimeDxeReportStatusCodeLibFramework/ReportStatusCodeLib.c
+++ b/IntelFrameworkModulePkg/Library/SmmRuntimeDxeReportStatusCodeLibFramework/ReportStatusCodeLib.c
@@ -1,7 +1,7 @@
 /** @file
   API implementation for instance of Report Status Code Library.
 
-  Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -400,7 +400,7 @@ ReportStatusCodeEx (
   //
   // Fill in the extended data header
   //
-  mStatusCodeData->HeaderSize = sizeof (EFI_STATUS_CODE_DATA);
+  mStatusCodeData->HeaderSize = (UINT16) sizeof (EFI_STATUS_CODE_DATA);
   mStatusCodeData->Size = (UINT16)ExtendedDataSize;
   if (ExtendedDataGuid == NULL) {
     ExtendedDataGuid = &gEfiStatusCodeSpecificDataGuid;
diff --git a/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c b/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c
index 72287ffa8c..dad529bd38 100644
--- a/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c
+++ b/IntelFrameworkModulePkg/Universal/DataHubDxe/DataHub.c
@@ -2,7 +2,7 @@
   This code produces the Data Hub protocol. It preloads the data hub
   with status information copied in from PEI HOBs.
   
-Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials                          
 are licensed and made available under the terms and conditions of the BSD License         
 which accompanies this distribution.  The full text of the license may be found at        
@@ -99,7 +99,7 @@ DataHubLogData (
   // Build Standard Log Header
   //
   Record->Version     = EFI_DATA_RECORD_HEADER_VERSION;
-  Record->HeaderSize  = sizeof (EFI_DATA_RECORD_HEADER);
+  Record->HeaderSize  = (UINT16) sizeof (EFI_DATA_RECORD_HEADER);
   Record->RecordSize  = RecordSize;
   CopyMem (&Record->DataRecordGuid, DataRecordGuid, sizeof (EFI_GUID));
   CopyMem (&Record->ProducerName, ProducerName, sizeof (EFI_GUID));