A560 Company Commodore, USA   Date 1989   Amiga A500   Interface side expansion port   Autoconfig ID 514 / 32 Arcnet interface connects to the side expansion port socket for optional network autoboot ROM 2.5 Mbit/s (300 kB/s) transfer speed supports up to 256 nodes 2 kB buffer connector for optional RAM expansion board with 0.5 or 1 MB RAM enhanced power supply for the A500 is included to replace the original one Photo PCB, front side Case, front side Case, front side Case, bottom side Case, top side PCB, back side top side top side