At $800 on eBay, the SEGA TeraDrive “allowed for Mega Drive games to be played the same time as the PC section is being used, as it is possible for the Mega Drive and PC hardware to interact with each other.” Auction page. Video after the break. Click here for first picture in gallery.

Its interface consisted of a start-up menu with several options, including a file manager, DOS, a clock and Mega Drive mode. There is very little English information known about the TeraDrive or about software development on the platform, with any known information relatively scarce.

[via eBayWiki]