Ferry_vO
Retired SOH Administrator
I found this little tool while searching for ways to make my GTR2 racesim more stable on my Win7 64bit system, but I've applied it to FsX too and I seem to get a beter and more stable framerate with it.
If you try it, don't forget to backup your FsX.exe file first!
What it does is it enables old 32-bit executables which are limited to using 2Gb of RAM on a 64-bit system, to use 4Gb RAM.
http://www.ntcore.com/4gb_patch.php

Edit: Of course this might also work for Fs9, CFS2&3 etc. etc!
If you try it, don't forget to backup your FsX.exe file first!
What it does is it enables old 32-bit executables which are limited to using 2Gb of RAM on a 64-bit system, to use 4Gb RAM.
http://www.ntcore.com/4gb_patch.php
Edit: Of course this might also work for Fs9, CFS2&3 etc. etc!