Williams / Data East · FPGA MPU
WillFA11
Williams SYS11C · Data East Alpha & DMD
FPGAWilliams SYS11CData East
FPGA replacement for Williams System 11C and the full Data East range.
$450CADIn stock
WillFA11
$450
What you'll need
- Cyclone IV v5 specifically required
Not sure what to get? Ask us and we'll send the exact part list.
Data East DMD speed issue (firmware v0.92): Data East DMD games run faster than intended on the current firmware. Williams SYS11C and Data East alphanumeric games are unaffected. Under active investigation; check lisy.dev/willfa11 before ordering for DE DMD titles.
- Tested before shipping
- Ships from Canada
- Solenoid pulse protection built in
- Ships in 2 - 3 Business Days · Canada only
All sales final. Boards are bench tested before shipping; make sure your machine has no shorts or wiring faults before installing. Sales policy
About this board
A 1:1 replacement for Williams System 11 and Data East MPU boards. v0.92 covers SYS11C and the full Data East range — alphanumeric through 192×64 DMD. Includes special solenoid pulse-mode: stuck switch won't burn a coil.
- FPGA hardware emulation — no OS or software layer
- Williams SYS11C and full Data East range supported
- Solenoid pulse protection — stuck switch won't burn coils
- DIP sockets pre-installed — no soldering required
Tech specs
| Type | FPGA MPU Replacement |
|---|---|
| Core | Intel Cyclone FPGA (plug-in dev board — see What you need) |
| Emulation | Hardware (FPGA) |
| Boot time | < 3 seconds |
| Form factor | Williams System 11 / Data East MPU slot (direct drop-in) |
| Connectors | Original edge connector — no rewiring |
| Notes | Solenoid pulse protection (stuck switch protection) |
Installation
Drop-in replacement. Remove original MPU board and install the WillFA11 in the same slot. No jumper changes required for SYS11C or Data East alphanumeric titles. For Data East DMD titles, check lisy.dev/willfa11 for the current firmware status before installing.
Compatible machines
Williams System 9 / 11
Data East
Machine list coming — ask us about yours
Don't see yours? Ask us — the list grows as firmware is updated.