I know that I didn't managed to finish this project but once I finish this part I want to have Accelerator board ready for implementing other functions so I decided to include MicroSD socket and maybe additional FLASH. In my design I already have EPCS4 who is dedicated for programing FPGA chip and additional space from this device can be used for adding small BOOT code who will point system to search KICKSTART on MicroSD card or FLASH. Additional benefit of adding MicroSD card is increasing of speed because old Amiga IDE controller is much slower then modern MicroSD cards. Main problem in adding MicroSD socket was lack of PCB footprints in Altium Designer so today I created one and according to all measurements it should be fine.
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