Interface 1bis file not found error

Purchased Interface 1 bis for the ZX Spectrum. There are plenty information about it and installing and preparing SD card on manufacturers site https://sites.google.com/site/interface1bis/ But I have encountered a problem – could not start it and was allways getting “file not found” error.Did all steps described in troubleshooting video https://www.youtube.com/watch?v=QYHhWQyVWAU Loaded OpSys from PC using LOAD command, program loads OK. But when I do NEW and […]