INES Mapper 023

iNES Mapper 023 is used to represent the VRC4e (unknown PCB) and VRC4f (PCB 352396) variants of the Konami VRC4 mapper and the VRC2b (PCBs 350603, 350926, and 351179) variant of the Konami VRC2 mapper.

 Here are Disch's original notes:
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 =  Mapper 023          =
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 Mapper 023 includes both a variant of VRC4, and a variant of VRC2.  Both of which are covered in other docs.
 
 
 For details see the following:
 
 mapper 021 (VRC4)
 mapper 022 (VRC2)