diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMem.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMem.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMem.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMem.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep1.S b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep1.S
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep1.S
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep1.S
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep1.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep1.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep1.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep1.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep4.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep4.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep4.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep4.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep8.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep8.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemRep8.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemRep8.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemSSE2.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemSSE2.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiCopyMemSSE2.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiCopyMemSSE2.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMem.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMem.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMem.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMem.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep1.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep1.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep1.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep1.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep4.S b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep4.S
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep4.S
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep4.S
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep4.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep4.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep4.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep4.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep8.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep8.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemRep8.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemRep8.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemSSE2.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemSSE2.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiSetMemSSE2.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiSetMemSSE2.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMem.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMem.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMem.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMem.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep1.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep1.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep1.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep1.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep4.S b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep4.S
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep4.S
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep4.S
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep4.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep4.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep4.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep4.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep8.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep8.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemRep8.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemRep8.asm
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemSSE2.asm b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemSSE2.asm
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/x64/EfiZeroMemSSE2.asm
rename to EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/X64/EfiZeroMemSSE2.asm