Update(2007.06.05):Firmware V1.81 for SLOT2 SuperCard
# Fixed homebrew can not be boot problem in v1.80
Please enter Download page..
EDIT: I don't know if this fixes the bricking bug when you update from 1.63 version, so best update from 1.7 -> 1.8 and from 1.8 -> 1.81 to be extra sure