For those who have asked: this is the layout of Rev1.0 pcb:
and this is one of my A500 fitted with the board (as well as with the exquisite PeteAU's 2,5MB ram expansion)
My next short term plans:
- Finalize a Rev1.1 pcb which addresses some minor bugs and with a totally redesigned pcb shape, which will more comfortably fit within the case
- Finalize the on-board flashing capability
- Design an A1200/A4000 version
It will be a sparetime/hobbystic project, so it will take some time, but your genuine interest ont the board is pushing me to it.