Updated 01/03/2005

Part Comparisons

Note:
This is not a complete list.  Only multiple games that use the same PCB are listed.  Single model PCB's may be listed at a later time.

SEGA Master System

171-5364 1986 1 Megabit / 128 KByte 28 Pins	171-5365-01 1986 1 Megabit / 128 KByte 28 Pins	171-5507 1987 2 & 4 Megabit / 256 KByte 32 Pins
171-5507 1987 2 & 4 Megabit / 256 KByte 32 Pins	171-5507D 1987 2 Megabit / 256 KByte 32 Pins	171-5519 N/A 32k & 1 Megabit / 128 KByte 28 Pins
	171-5519 N/A 32k & 1 Megabit / 128 KByte 28 Pins

SEGA Genesis

171-5703 N/A 4 Megabit / 512 KByte 40 Pins	171-5978B 1990 8 Megabit / 1 MByte 42 Pins	171-5978B-8/16 1994 16 Megabit / 2 MByte 42 Pins
171-5978BA 1990 8 Megabit / 1 MByte 42 Pins		171-7147A 1995 24 & 32 Megabit / 3 & 4 MByte 42 Pins

SEGA 32x

171-6884A 1994 16 Megabit / 2 MByte 42 Pins		171-6885A 1994 24 Megabit / 3 MByte 42 Pins