Sega system files & links

Sega Mastersystem

Roms

Sega GameGear

Roms

Sega Megadrive/Genesis

Roms
Genesis Collective Offline Games database, includes reviews/In game cheat codes/Game Genie codes
Codebook Game Genie codes

Sega 32X

Emulators - see Sega 8 Bit to 32 bit.
Roms

Sega/Mega CD

CD Images

Sega/Mega CD-32X

None.

Sega Saturn

Saturn Region Patcher
CD Images

Sega Dreamcast

pfctoc.zip extract to your ImgBurn install folder to enable Dreamcast cdi burning
Utopia v1.1 CD Image Boot CD for none Selfboot/Mil-CD games
CD Images

http://members.multimania.co.uk/megalexxx/ PAL Patcher and other tools