Jorge Chamorro Bieling wrote: > <aiiadict@gmail.com> wrote: > > > >Is there IIgs-specific slot in the IIgs that is different from the Apple > > >II slots ? Slot 3 in the ROM01 IIgs and Slots 1-6 in the ROM03 has M2B0 on pin 35 and both have /M2SEL on pin 39 in slots 1-6. These allow a card to detect reads/writes from/to the Mega II RAM and which bank is being accessed.