Slow performance in windows after resizing partitions with bootcamp

Windows XP Pro crashed on my iMac 6.1 intel core 2 duo @ 2.16GHz and 3 GB RAM so I reinstalled Mac OSX Snow Leopard and created 2 equal partitions of 125GB each w/Boot Camp. I formatted both partitions in NTFS instead of the previous configuration of 32GB FATS for Windows and 218GB for Mac OSX. I updated EVERYTHING with the latest updates and service packs (I installed Windows XP Pro with a CD that had Service Pack 2 on it then installed Srvice Pack 3). I need to use Windows for AutoCAD but want the support and reliability of Apple.
Now the Windows partition is running VERY slow whereas before the crash and changes, I had no performance problems. I don't know what to do.

Windows XP Pro crashed on my iMac 6.1 intel core 2 duo @ 2.16GHz and 3 GB RAM so I reinstalled Mac OSX Snow Leopard and created 2 equal partitions of 125GB each w/Boot Camp. I formatted both partitions in NTFS instead of the previous configuration of 32GB FATS for Windows and 218GB for Mac OSX. I updated EVERYTHING with the latest updates and service packs (I installed Windows XP Pro with a CD that had Service Pack 2 on it then installed Srvice Pack 3). I need to use Windows for AutoCAD but want the support and reliability of Apple.
Now the Windows partition is running VERY slow whereas before the crash and changes, I had no performance problems. I don't know what to do.

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