You may want to look here. https://www.speedrun.com/Sonic_CD_2011

Good luck on the PC building and happy playing.

(this board is for the original Sega/Mega CD release, the 1996 port for Windows 95, and the port on Sonic Gems Collection)

[EDIT - 10/20/2018: You didn't have to delete your opening post]

Great, Thanks!