I have a Sandisk class 4 8gb micro sd card (famicom n8 version, cant use full size sd) that is giving nothing but different OS INIT errors with any version higher than v16.
Formatted multiple times with different allocations sizes, no luck.
Sometimes I get a menu to pop up with OS INIT still on the screen:
options are: cancel, file to sram, sram to file, but then it freezes up.