What decides the installation directory on Windows 2003 x64
Posted on September 4th, 2008
When an application is installed on Windows 2003 x64 Edition, the installation is made to different directories and registry keys depending on whether it is a 32 or 64 bit application.
Directory location
- c:\program files – (64 bit applications)
- c:\program files (x86) – (32bit applications)
Registry location
- HKLM\software\ – (64 bit applications)
- HKLM\Software\Wow6432Node\ – (32bit applications)
So, what decides where the installation goes?
I have discovered the following from various digging about online.
Tags: 64 bit, install directory, installation location, program files (x86), Wow6432Node, x64
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Comparison of 32-bit and 64-bit memory architecture for 64-bit editions of Windows XP and Windows Server 2003
Posted on August 11th, 2008
Comparison of 32-bit and 64-bit memory architecture for 64-bit editions of Windows XP and Windows Server 2003
In the following table, the increased maximum resources of computers that are based on 64-bit versions of Windows and the 64-bit Intel processor are compared with existing 32-bit resource maximums.
| Architectural component | 64-bit Windows | 32-bit Windows |
|---|---|---|
| Virtual memory | 16 terabytes | 4 GB |
| Paging file size | 256 terabytes | 16 terabytes |
| Hyperspace | 8 GB | 4 MB |
| Paged pool | 128 GB | 470 MB |
| Non-paged pool | 128 GB | 256 MB |
| System cache | 1 terabyte | 1 GB |
| System PTEs | 128 GB | 660 MB |
Full article posted here: Q294418
Tags: 32 bit, 64 bit, compare, comparison, limit, memory, page file, system cache, virtual memory, Windows 2003, x64
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