How to Fix PS2 Memory Card Read and Write Issues
1-17-15: Initial release.
So recently I tried to install FMCB to a memory card I got from a friend, and my PS2 would not read it! I almost thought it was broken, until I decided to open up the memory card and clean the contacts with an eraser. Once I did that, all my issues went away!
See video tutorial below for more details: