It works right out of the box with 1.4.
But you can just flash it with
this
I thought firmware 1.05 was a bad upgrade
QUOTEthe v1.05 firmware is available but untested for this review. User reports have flooded the SuperCard forums with information about bricked or damaged SCDS2s after the v1.05 firmware upgrade. The v1.05 firmware upgrade is for users who auto-boot their NDS firmware and experienced problems with the SCDS2. This compatibility issue was limited to a handful of cards making the upgrade not advisable at this time.