Click for full image

Bootleg Board Gallery
Top Bottom	Bombjack Two boards, marked with 'ATO' Almost identical to the original Missing the small 6 pin connector for the video Video on 5 pin header on lower right of CPU board One less GI sound generator. The game sounds fine compared to the original.
Top Bottom	Junior King / Donkey Kong JR ( compact style ) Two boards, marked SK-01 & SK-02A "Junior King" or "Donkey Kong Jr" ROMset installed Compact boardset smaller than original Pinout matches classic Donkey Kong pinout ( except for amplified audio ) Non-inverted video onboard Audio amp and volume control
Top Bottom	Donkey Kong JR Two boards, marked JK-01 & JK-02, plus Jr.Kong logo on bottom board Similar to original, no nintendo markings though
	Jr.Pacman Single board, no markings Missing the regulator section you'll find on the original boardsets, either populated or unpopulated The two decoder PALs for the encrypted ROMs are present Resistor packs are make up of individually solder resistors ( see picture )
	Mortal Kombat Single board, markings "Kombat rev 2" and 0436 A-7 Modified ROMs, title screen states "YAWDIM" ( midway backwards ) Appears to play identically
	Popeye Single board, no markings Very different from original, amplified audio and normal ( non-inverted ) video Standard ROMs gameplay is identical
Top Bottom	Super Bobble Bobble Two boards Similar to original, some custom IC's missing, no seperate power connector Does not use standard ROMs Game play slightly modified
Click for full image	To be added when I can find them... Q*Bert, Gallag, Space/Time Pilot, Snow Bros

If you have some pictures of 'non-original manufacture' PCBs please drop me an email. Might be useful to keep an archive of these boards.