Jens Schönfeld is testing the ACA500. The ACA500 is an expansion for the Amiga 500. The technical details are: 68EC000 / 14,3MHz. The ACA500 is an external expansion. Two Compact Flash ports (Boot / Transfer). 2 MByte RAM (1,5MByte RAM + 512kByte Maprom). Extra expansion port (14MHz / 16-Bit).