The 32k sideport memory expansion card is available now on http://arcadeshopper.com   This satisfies requirements of many of the multicarts that lead into expansion ram or otherwise require it for execution, such as many of the games on the 6 Games carts from Gazoo, the 2Meg multi-cart from Gazoo, many of the games on the XB2.7 suite, and many of the .bin images for the FlashRom99. For details about the board see http://ti994a.cwfk.net/32k.html And or watch this video that covers it pretty