Some technical informations on hardware I want to share

	MegaCD preservation Lot of informations aimed at CD drive preservention or replacement
	Cartdrige 101 All you need to know about cartdrige and, mainly, the PCB and chips inside
	Input 101 all you want to know! How does a joypad 3 buttons work ? How to read Sega mouse input ? How to mod a justifier ?
	Backup systems list of known 'professional' backup systems
	Homebrew cartdrige reader/writer list of known 'home-made' cartdrige reader and/or flash card writer