TCAT Shelbyville - Technical Blog

32bit processors and operating systems have a limitation of 3GB.   Programs are limited to 2GB of RAM.  These tweaks increase the OS’s ability to recognize more RAM and increase the ceiling for programs that can recognize more than 2GB of RAM.  (Above 3 GB, all memory may not be available due to system resource requirements. The memory above 3 GB is used for PCI I/O and other system resources. )

Tweaks can be dangerous if you don’t check everything twice! <- Reference

To get more from Windows XP, you have to modify your Boot.ini file.  You have to be familiar with windows explorer.  (You must show hidden and system files.  If the boot.ini file is read only, uncheck it to make changes.

Windows XP

[boot loader]
default=multi(0)disk(0)rdisk(0)partition(1)\WINNT   <-yours may be different!
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINNT=”Windows XP Professional” /PAE /3GB  <-add this

The /3gb switch allows programs written specifically to…

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About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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