I wish I’d paid closer attention when you posted this. I could’ve maybe saved you some grief. I have two of that same exact card. Neither of them work in my SIDE2 cart, but they both work great in the CF card interfaces on my 1088XEL and 1088XLD machines.   I used to have the 8GB version of that card, which DID work in my SIDE2 cart. However, I killed that card when it was inserted in my 1088XEL and I accidentally plugged a 9VAC power supply into the board (instead of the 9VDC supply i