ok here is what your asking i'll just give u the link but be sure to save the diagram coz this website sometimes down
this site has all the link like memcard interface etc.... ===> http://www.debaser.force9.co.uk/psxcn/
this one is the mega tap interface===> http://www.stndev.btinternet.co.uk/megatap.htm
this site has all the link like memcard interface etc.... ===> http://www.debaser.force9.co.uk/psxcn/
this one is the mega tap interface===> http://www.stndev.btinternet.co.uk/megatap.htm
