PROLOGUE---FORUM---ROMLAB---MP3---GALLERY---COLLECTION---OTHER---LINKS---EMAIL---MAIN

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MODIFY MMC3 TSROM CHR ROM CART TO TGROM/TNROM CHR RAM CART (8KB VRAM)

First you need desolder/remove old 32pin CHR ROM Mask ROM chip from cart

Then solder VRAM chip directly to holes on cart or solder 32pin socket (see photos) then connect all wires like on picture

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IF YOU HAVE EARLY MAKED MMC3 DEV-CART, YOU CAN ALSO CONNECT VRAM TO THIS CART: This cart can be used simultaneous as CHR ROM cart (TSEROM like SMB3) and CHR RAM/VRAM cart (TGROM/TNROM like FF3/MM4/MM6)

Inside VRAM chip to 32pin EPROM compatible socket and connect all wires like on picture

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