Internal VIC Expansion
Legend Valley Computer Systems has produced a 27K internal expansion board for the VIC-20.
The board fits under the keyboard and is piggybacked to the original 6502 microprocessor. The additional memory is selectable in 8K blocks via a switch on the rear of the VIC-20 cabinet.
The expansion board is available for $129.95.
Legend Valley Computer Systems
Newark, OH 43055