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

Topic Replies Likes Views Last Reply

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

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Retro Arcade 562

IGS Motherboard PGM Revision 3 information

0 24

Games that don't have Attract Mode during Free Play

23 +1 1,858

twistedsymphony

Battle Garegga bootleg sound problems.

12 +1 243

rewrite

Gaelco squash schematics

9 353

Puuhis79

Chamma to Jamma pinout using a switch

  • Misos
  • RGB
4 110

RGB

Examu Ex-Board motherboard replacement steps

4 +2 444

CoolFox

Retro Hardware Capacitor LISTS

14 +5 309

sk8er000

Turtles in Time - 4P no start button

2 95

awbacon1

JAMMA Rec Room Master Xtension Alpha Cade Help

40 1,469

CharGP02A

The Definitive Guide to CPS2 Conversions

8 +10 289

xodaraP

Need a DMM that "Provides > 3.3v on diode test"

  • rewrite
  • stj
1 116

stj

coin meter

  • nonosto
  • stj
9 232

stj

Bomberman world dipswitch settings​?​

4 142

nem

Shipping an arcade monitor suggestions

  • hoagtech
  • stj
14 452

stj

Keyboard to arcade

0 70

Where can I buy/does anyone have: KOA BPR28 series current sense resistors?

2 138

rewrite

Brezzasoft Crystal System conversions

201 10,646

xtrasmiley

General Arcade Help

3 165

sheep_nova

Who speaks Japanese? I bought a broken "junk" Tatsujin

3 154

djsheep