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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.
sk8er000
  • Sticky
Retro Hardware Capacitors LISTS
9 10 11
Replies
209
Views
61K
NFGx
NFGx
Hammy
  • Sticky
ANNOUNCEMENT - MMS1 - A 16 in 1 MULTI FOR JALECO MEGASYSTEM1(A) FROM CAIUS + HAMMY
25 26 27
Replies
525
Views
73K
skusuma
S
twistedsymphony
  • Sticky
Irem M72 MCU Dumps Needed - If you own a Multi You can Help!
2
Replies
28
Views
8K
Darksoft
Darksoft
twistedsymphony
  • Sticky
How to tell the difference between Irem M72, M81, M82, M84, and M85 Hardware
2 3
Replies
52
Views
31K
natas
N
copados33
Help rebuilding a PSU
Replies
0
Views
70
copados33
copados33
twistedsymphony
Games that don't have Attract Mode during Free Play
2 3 4
Replies
66
Views
20K
Hammy
Hammy
VS_Lilith
Issue with JAMMA Versus Link Cable
Replies
12
Views
330
VS_Lilith
VS_Lilith
twistedsymphony
Metro VG420 Multi interest and development thread?
5 6 7
Replies
124
Views
7K
twistedsymphony
twistedsymphony
Ape Cosplay
Irem/Nanao custom chips reference and location - M82/M84
Replies
2
Views
112
frsj8112
frsj8112
opt2not
JAMMA to JVS options: AxunWorks vs. IrkenLabs vs. ??
2
Replies
32
Views
3K
JohnRambo'sKnife
JohnRambo'sKnife
ekorz
Interest Check: Darksoft Namco System 12 Multi - unofficial
3 4 5
Replies
88
Views
20K
ForestOfDreams
F
NFGx
Sega Mega-Tech - what connectors?
Replies
4
Views
485
NFGx
NFGx
SubScorpion
Jamma image adjustment adaptor issue
Replies
0
Views
452
SubScorpion
SubScorpion
nem
Great 1000 Miles Rally rom swap to Evolution Model
Replies
7
Views
3K
9999 Damage
9999 Damage
rewrite
Speakers now have a fuzzy static sound. :/
Replies
4
Views
2K
fuzzbuddy
fuzzbuddy
dillingerradio
Donkey Kong Jr. Crunchy Audio
Replies
0
Views
641
dillingerradio
dillingerradio
Tailsnic Retroworks
[SOLVED] TECMO Wild Fang 1991 undumped version
Replies
15
Views
1K
Tailsnic Retroworks
Tailsnic Retroworks
twistedsymphony
Is there an SCSI ODE with Audio Support?
Replies
4
Views
862
twistedsymphony
twistedsymphony
D
Replacement Flash Rom for Avengers in Galactic Storm (Data East MLC System)
Replies
0
Views
543
DJLC
D
waiwainl
Sega System C2 conversions: all games patched and released
2 3
Replies
53
Views
16K
Tailsnic Retroworks
Tailsnic Retroworks
dillingerradio
[RESOLVED: Missing Rainbow Cable] Donkey Kong Jr. (1982) - No Output
Replies
1
Views
716
Astro X
Astro X
twistedsymphony
Namco System 12 Conversions Possible?
Replies
11
Views
7K
ForestOfDreams
F
twistedsymphony
(Raw Thrills) Target: Terror - Sorting through this mess of a hardware
2
Replies
32
Views
5K
JDQ
J
skate323k137
Repair Log: Snow Bros PCB Audio (PX4460 removal/alternative)
2
Replies
26
Views
11K
ArcadeKG
A
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