General Jamma and pre-Jamma

This is the right Forum if you have any project for converting General Jamma Boards or Pre-Jamma boards.

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Threads

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Pinned How to tell the difference between Irem M72, M81, M82, M84, and M85 Hardware

22 +12 7,769

Retro Arcade 562

Lei Shen Zhuan / Battle Garegga hack - Help / Advice needed

24 +1 1,109

twistedsymphony

Jamma Sync adjustment PCB for non-arcade monitors (2 solutions inside)

56 +2 6,537

xtrasmiley

Can anyone identify this Arcade CP ‘hinge’?

  • nam9
  • hursit
6 234

hursit

Namco NB-1 conversion to Nebula’s Ray

95 20,840

hardyhell

Brezzasoft Crystal System conversions

210 11,929

buffi

Can you fix my Sega System 18 Alien Storm pcb? Pics Added!

12 +1 328

brentradio

Need someboy to check / repair my arcade PCB's

2 111

Nodoyuna

Safe voltage levels for Jamma button input?

  • buffi
  • buffi
4 104

buffi

EXAMU eX-Board owners thread

11 +2 615

twistedsymphony

Interest Check: Darksoft Namco System 12 Multi - unofficial

37 +1 3,705

the Goat

IREM PCB Dragon Breed M72 no sprites, RAM NG, ROM OK

12 339

Maskman

Who is still doing Neo Geo side art?

  • nam9
  • nam9
3 196

nam9

Multiple MVS 4 Slot Repair Log - In Progress

6 +2 199

xodaraP

Repair Log: Snow Bros PCB Audio (PX4460 removal/alternative)

23 3,057

evilsim

Odd CV1000 Issue

5 +1 223

Smurph

Tmnt / TMHT question :)

3 +1 146

-Ace-

Sega System 16B Golden Axe Conversion US version to the Japanese version

2 127

chacal231077

The Definitive Guide to CPS2 Conversions

12 +14 607

Telpherion

Connecting a NAOMI board into a NeoGeo 1-slot Cab

6 229

devin_mm

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