Max. 64K PRG ROM.
Max. 64K CHR RAM.
This board is quite interesting- There is a resistor on D0 which prevents bus conflicts to
the mapper... BUT, for D0, the ROM always "wins". This means that whatever is in D0 of the
written to ROM location gets loaded into the mapper. The other data lines are not affected.
This board was only used on the game Death Race. Other than that, is identical to the other