1st,
to even PLAY ps2 game on a ps3
you must have a ps3 with BC,
ps3 SLIM CAN NOT PLAY ps2 game
you need a 20gb/60gb 1gen ps3 (the 1st type of ps3 that came out)
or
older 80gb (with 4usb and memory card slots)
ANY ps3 should be able to make a Virtual ps2 memory card
to get your save off your ps2 memory card, you need the Memory card Adapter