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Single Expansion
AdRAM 520
Company
ICD, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
16 DIP sockets accept up to 2 MB RAM
supports 256k×4 DIPs
accepts DIPs in groups of four giving 0.5, 1, 1.5, 2 MB configurations
can be configured to provide 512 kB Chip RAM and up to 1.5 MB Fast RAM
battery backed up clock
the RAM board connects to the trapdoor slot
the adapter board connects to Gary's socket - if 1 MB Chip RAM is present, a wire has to be soldered between the adaptor and the motherboard