The standard Windows OS architecture limits the maximum memory available to a Xilinx program to 2 GB.
In Windows XP Professional, Microsoft created an option to support the ability of an application to address 3 GB of RAM.
Xilinx applications have built-in support for this option.
To take advantage of this capability, you must also modify your Windows XP OS to enable this feature, which requires that you modify your "boot.ini" file by adding a "/3GB" entry to the end of the "startup" line.
Please review the following information before using this switch: