The WPC System Boardset and History
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The WPC system was a Motorola 6809E based platform that ran Williams, Bally and Midway pinball machines through 1990 -1998. The system made its first appearance in a short run of Dr. Dude machines, with the CPU board and the power-driver board replacing the System 11 equivalents. The System 11 code was converted to run on WPC. Next came Funhouse, still with a digit display.
WPC CPU; WPC power-driver board; System 11 Sound Card
Dr. Dude; Funhouse
Added WPC Sound Board
Funhouse, during run; Harley-Davidson; Bride of Pinbot
Added WPC DMD Display Board
Gilligan's Island; Hurricane; Slugfest; Terminator 2; Party Zone
Added Fliptronics board; flipper relay no longer needed on Power-Driver board
The Addams Family (mid-run???)
Sound board levels rebalanced R24 and R23 changed from 150k to 56k
Changed to WPC Fliptronics II
Black Rose; Bram Stoker's Dracula... White Water
Changed to WPC DCS Sound Board for sound
Indiana Jones; Judge Dredd.... Star Trek: The Next Generation
Changed to WPC-S CPU
World Cup Soccer; Pinball Circus; Corvette; Red & Ted's Road Show;
Changed to WPC-95 CPU; WPC-95 Power-Driver Board; WPC-95 AV Board
Congo
Switched diodes for jumpers on WPC-95 power-driver board; Molex connectors on many coils
Medieval Madness
Switched to blade connectors for coils
Monster Bash