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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
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Retro Hardware Capacitors LISTS
9 10 11
Replies
208
Views
58K
NFGx
NFGx
Hammy
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ANNOUNCEMENT - MMS1 - A 16 in 1 MULTI FOR JALECO MEGASYSTEM1(A) FROM CAIUS + HAMMY
25 26 27
Replies
525
Views
69K
skusuma
S
twistedsymphony
  • Sticky
Irem M72 MCU Dumps Needed - If you own a Multi You can Help!
2
Replies
28
Views
7K
Darksoft
Darksoft
twistedsymphony
  • Sticky
How to tell the difference between Irem M72, M81, M82, M84, and M85 Hardware
2 3
Replies
52
Views
30K
natas
N
NFGx
Sega Mega-Tech - what connectors?
Replies
4
Views
55
NFGx
NFGx
twistedsymphony
Metro VG420 Multi interest and development thread?
4 5 6
Replies
114
Views
4K
twistedsymphony
twistedsymphony
S
Jamma image adjustment adaptor issue
Replies
0
Views
122
SubScorpion
S
nem
Great 1000 Miles Rally rom swap to Evolution Model
Replies
7
Views
2K
9999 Damage
9999 Damage
rewrite
Speakers now have a fuzzy static sound. :/
Replies
4
Views
1K
fuzzbuddy
fuzzbuddy
dillingerradio
Donkey Kong Jr. Crunchy Audio
Replies
0
Views
179
dillingerradio
dillingerradio
Tailsnic Retroworks
[SOLVED] TECMO Wild Fang 1991 undumped version
Replies
15
Views
516
Tailsnic Retroworks
Tailsnic Retroworks
twistedsymphony
Is there an SCSI ODE with Audio Support?
Replies
4
Views
390
twistedsymphony
twistedsymphony
D
Replacement Flash Rom for Avengers in Galactic Storm (Data East MLC System)
Replies
0
Views
201
DJLC
D
waiwainl
Sega System C2 conversions: all games patched and released
2 3
Replies
53
Views
15K
Tailsnic Retroworks
Tailsnic Retroworks
dillingerradio
[RESOLVED: Missing Rainbow Cable] Donkey Kong Jr. (1982) - No Output
Replies
1
Views
310
Astro X
Astro X
twistedsymphony
Namco System 12 Conversions Possible?
Replies
11
Views
6K
ForestOfDreams
F
twistedsymphony
(Raw Thrills) Target: Terror - Sorting through this mess of a hardware
2
Replies
32
Views
4K
JDQ
J
skate323k137
Repair Log: Snow Bros PCB Audio (PX4460 removal/alternative)
2
Replies
26
Views
11K
ArcadeKG
A
dillingerradio
Is it possible to convert Gunbird 1 Korean to Japanese?
Replies
2
Views
510
dillingerradio
dillingerradio
rewrite
Brezzasoft Crystal System conversions
21 22 23
Replies
449
Views
84K
trashedcabs
T
Still Green
Hyper neogeo64 Rev1 how to power in NAC
Replies
2
Views
537
trashedcabs
T
twistedsymphony
Games that don't have Attract Mode during Free Play
2 3 4
Replies
62
Views
18K
Hammy
Hammy
twistedsymphony
EXAMU eX-Board owners thread
4 5 6
Replies
108
Views
24K
gamemaster14
gamemaster14
twistedsymphony
Capcom ZN Conversion/Multi Interest Thread
3 4 5
Replies
98
Views
26K
Hammy
Hammy
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