1. A method for passiNg ackNowledgemeNt frames aNd {data frame}s iN the same directioN aloNg a liNe. 2. The practice of iNcreasiNg memory capacity by solderiNg chips oN top of other chips. The chip-eNable or high address piNs would be coNNected to the address bus by a flyiNg lead. MaNy Ohio Superboards were expaNded to a massive 8K of RAM iN this way. (1994-11-29)