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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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Retro Hardware Capacitors LISTS
sk8er000
Oct 16, 2019
4
5
6
Replies
109
Views
20K
Today at 9:32 AM
sk8er000
Sticky
How to tell the difference between Irem M72, M81, M82, M84, and M85 Hardware
twistedsymphony
Jul 14, 2018
2
Replies
22
Views
17K
Oct 5, 2018
Retro Arcade 562
Brezzasoft Crystal System conversions
rewrite
Jul 1, 2019
20
21
22
Replies
438
Views
48K
Today at 2:10 PM
8bitforlife
D
Can anyone could help diagnose wtf is going on with my Viper Phase 1 board.
Dzhay
Jan 10, 2021
Replies
1
Views
58
Jan 10, 2021
twistedsymphony
S
Possible to convert Seibu SPI games?
SwaggaJackin'
Jan 25, 2019
2
3
Replies
41
Views
4K
Jan 8, 2021
ic3b4ll
Interest Check: Darksoft Namco System 12 Multi - unofficial
ekorz
Oct 10, 2018
2
3
4
Replies
70
Views
10K
Jan 5, 2021
srdqty
Is making a conversion of CPS-2 Progear with SIMMS possible?
djsheep
Aug 5, 2020
Replies
10
Views
767
Jan 2, 2021
nonosto
Legionnaire (TAD/Fabtek) Troubleshooting
TheDeath
Dec 30, 2020
Replies
0
Views
70
Dec 30, 2020
TheDeath
P
Set up sd card for Pandora's box
pm4698
Dec 14, 2020
Replies
0
Views
110
Dec 14, 2020
pm4698
P
Games that don't have Attract Mode during Free Play
twistedsymphony
Apr 25, 2019
2
Replies
39
Views
6K
Dec 9, 2020
nem
Jamma+Scart RGB to OSSC help
SabreAZ
Aug 1, 2019
2
Replies
26
Views
5K
Dec 7, 2020
hackcell
T
World Rally 2 help needed
Trol
Jan 16, 2019
Replies
19
Views
3K
Dec 7, 2020
Tailsnic Retroworks
Needing to dump a prototype High Impact Football Suggestions?
GeekMan1222
Dec 4, 2020
Replies
2
Views
238
Dec 4, 2020
GeekMan1222
Does anyone own a Sky Alert PCB?
twistedsymphony
May 14, 2019
Replies
2
Views
548
Dec 1, 2020
twistedsymphony
List of JAMMA Boards with Batteries
twistedsymphony
Nov 16, 2020
2
Replies
35
Views
1K
Nov 30, 2020
AlxUnderBase
IREM Undercover Cops Alpha Renewal with Supegun issue
AtariAussie
Nov 27, 2020
Replies
4
Views
329
Nov 27, 2020
ShootTheCore
Metamorphic Force Sound Issue
dannahan
Nov 26, 2020
Replies
4
Views
216
Nov 26, 2020
XtraSmiley
Trying to make a complete list of multis
Nodoyuna
Sep 28, 2018
2
Replies
36
Views
7K
Nov 26, 2020
Hammy
Mystic Warriors MASK ROM 1H BAD
dannahan
Nov 26, 2020
Replies
3
Views
188
Nov 26, 2020
AlxUnderBase
Did I get ripped off on this Charlie Ninja PCB?
XtraSmiley
May 19, 2019
2
Replies
29
Views
5K
Nov 21, 2020
AlxUnderBase
Primal Rage Power Requirements
metro_digital
Nov 18, 2020
Replies
5
Views
249
Nov 18, 2020
metro_digital
TiT rom swap
KalessinDB
Nov 17, 2020
Replies
2
Views
225
Nov 17, 2020
KalessinDB
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