> Hrm.  Confusing.  I would have thought that the JIT compilers would be 
platform specific,
  > but the .net assemblies put out by say, csc.exe, would not be.
  > So there'd be a 32-bit version of the 1.1 framework
  > (which would include just a 32-bit JIT compiler, and any ngen'ed type code 
would all be 32-bit)
  > and a different, 64-bit version (which would only include a 64-bit JIT, 
etc.).
  > So you're saying there's no 64-bit version of the 1.x framework?


real 64-Bit support (compilers & runtime) is only in 2.0:


64-Bit (x64) .NET 2.0 Beta 2 :

SDK x64:
 
http://www.microsoft.com/downloads/details.aspx?FamilyID=8b7b466a-9459-4000-8d16-351bdbc6bb71

Redist x64:
 
http://www.microsoft.com/downloads/details.aspx?familyid=DE4539CF-5D5C-4981-B27B-8AE747A7EA98

Runtime installations:

32 Bit:
 C:\WINDOWS\Microsoft.NET\Framework\v2.0.50215

64 Bit:
 C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50215

and the GAC:
   C:\WINDOWS\assembly
has a 'Processor Architecture' column:
On a x64 system you could find e.g. two 'mscorlib.dll'
one for 'x86' and one for 'AMD64'.





Thomas Scheidegger, MVP C#
http://dnetmaster.net/

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