Sega cd

anyone know any guides how to make a run sega cd games in emulation

http://emulator-zone.com/doc.php/genesis/fusion.html
and
http://www.romnation.net/srv/page/article/sega-cd-emulation-guide.html

than
ks

hey buy when i play sonic cd its says i need to use a ram carriage

how can i get that to work on gens?