Thats why i wanted a TI-92 II rom ,so i could trest a game and decide if it was worth the money to buy a 6$ chip. Its a SRAM chip and it would go in to the ti92 X (X meaning what ever ver,i think.) Well heres the page.: http://www.daewoo.fr/~jjm/upgrade.html I think his ti92 is a masked might be one of those TI wanted you to call them about.