Epsilon's World: Memory Expansions on Amiga 500 and 600
Amiga 500 2MB Handwired FastRAM Expansion – Sector101 Project Blog
Supra RAM 500RX for the Amiga 500 - Everything Amiga
Open Amiga 500 Fast RAM Expansion by SukkoPera from Bob's Bits on Tindie
What is this RAM expansion? and should I be able to separate the board with the leaky battery? the two halves don't seem to want to separate! : r/amiga