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video:http://www.youtube.com/watch?v=Gu6KUrTWx-I

here is a software to scale Perimeter to play widescreen>
https://www.xgamingstudio.com/forum/showthread.php?122-RELEASE-ATI-GPU-Scaling-Fix-for-Windows-7
Download link:
https://www.xgamingstudio.com/files/...ngFix-Win7.zip

ATI GPU Scaling Fix for Windows 7 (stretch and aspect ratio problems)
https://www.systemshock.org/index.php?topic=4439.0