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a5000_adapter_pcb
cpld
firmware
os_switcher_bootloader
pcb
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riscpc_adapter_pcb
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README.md

README.md

Arcflash

A board that plugs into all Acorn Archimedes, A3000, A5000 (with adapter), and Risc PC (with adapter) machines, allowing OS updates without opening the machine -- or even powering it down!

Stardot thread

Pictures

PCB front

PCB back

Assembly notes

For IC sockets, cut two 40-pin headers to make:

  • one 2x16-pin header and one 2x4-pin headers
  • four 5+4-pin headers and two 2-pin headers
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