Extended 80-Column expansion card recreation for the Apple IIe.
This card will allow an Apple IIe to display of 80 column text and expand the memory to a full 128kB.
Extended 80-Column card is only compatible with the Apple IIe. All other models are missing the Apple IIe Auxiliary Slot and not compatible.
AX1 on the card must be cut to disable Double High Resolution Graphics mode on the Apple IIe Rev A / 820-0064-A motherboards. DHRG is not supported on this revision and the card will not function if AX1 is not cut. All later revisions of the Apple IIe support DHRG and do not require AX1 to be cut.