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Before deciding to use the 3 GB feature, review the following considerations:
- This feature is supported only on Windows XP SP2 on 32-bit machines.
- When the 3 GB feature is enabled, your operating system has less memory space. It is not completely clear what implications this may have on Windows, so be cautious with regard to the total application load placed on Windows while running in this mode. If you do not require the larger address space, it is recommended that you do not enable this option.
- At least one graphics card driver version (ATI Fire GL 8800, driver version 188.8.131.5235) is known not to work with 3 GB. If you experience a crash, restart your computer without the /3GB option and check whether upgrading to the latest graphics card driver resolves the issue.