To start off, yes, I'm using a ps1 memory card.I got my ps2 about a year ago, and have never had a single problem with any of the ps2 games I've played (20 - 30). Every once in a while, I run ...

Although the HDD Utility Disc creates a "Your Saves" folder on the drive, no other titles use that. So you can't throw out your PS2 memory cards -- which, incidentally, make Sony a tidy little profit.