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)