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

	Replies	Likes	Views	Last Reply
Pinned Retro Hardware Capacitors LISTS 1 2 3 4 5 sk8er000 Oct 16th 2019, 9:24am AlxUnderBase Oct 25th 2020, 1:12pm	98	+11	15,507	AlxUnderBase Oct 25th 2020, 1:12pm
Pinned How to tell the difference between Irem M72, M81, M82, M84, and M85 Hardware 1 2 twistedsymphony Jul 14th 2018, 9:27pm Retro Arcade 562 Oct 5th 2018, 7:39pm	22	+12	15,209	Retro Arcade 562 Oct 5th 2018, 7:39pm
Cannon Dancer/Osman Conversion -> The FREE Edition once and for all (JoeMac/Magical Drop pcb) 1 2 3 4 TheDeath May 14th 2020, 10:54pm XtraSmiley Oct 25th 2020, 3:06pm	61	+11	4,189	XtraSmiley Oct 25th 2020, 3:06pm
Irem M84 Conversions 1 2 3 … 7 Derick2k Jan 9th 2018, 6:28pm CoinFeeder Oct 22nd 2020, 6:44am	123	+1	19,622	CoinFeeder Oct 22nd 2020, 6:44am
Problems with two Raiden boards atro city Oct 21st 2020, 12:01am ekorz Oct 22nd 2020, 12:26am	5		143	ekorz Oct 22nd 2020, 12:26am
TMNT PCB Sound Issues 1 2 djsheep May 29th 2019, 6:59am Frank_fjs Oct 19th 2020, 11:57pm	20	+1	2,226	Frank_fjs Oct 19th 2020, 11:57pm
The Definitive Guide to CPS2 Conversions 1 2 3 4 xodaraP Oct 14th 2019, 11:34am Supergun Oct 19th 2020, 2:25am	72	+21	9,867	Supergun Oct 19th 2020, 2:25am
Caveman Ninja - Edward Randy Conversion 1 2 3 glstar Jan 15th 2019, 8:07pm XtraSmiley Oct 14th 2020, 12:15am	48		4,445	XtraSmiley Oct 14th 2020, 12:15am
EXAMU eX-Board owners thread 1 2 3 4 twistedsymphony Oct 24th 2019, 12:26am Usukane Oct 7th 2020, 6:03am	65	+2	7,858	Usukane Oct 7th 2020, 6:03am
Combatribes with graphical glitches kazanova225 Oct 1st 2020, 7:33am kazanova225 Oct 1st 2020, 7:33am	0		144
Question about zakk roms for Dangun Feveron skate323k137 Sep 25th 2020, 2:05am skate323k137 Sep 28th 2020, 9:05pm	16	+2	657	skate323k137 Sep 28th 2020, 9:05pm
Tecmo SilkWorm to Gemini Wing ? JoyAgain Sep 22nd 2020, 9:23am Apocalypse Sep 23rd 2020, 5:59pm	4	+1	244	Apocalypse Sep 23rd 2020, 5:59pm
Possible to convert Seibu SPI games? 1 2 SwaggaJackin' Jan 25th 2019, 3:46am ic3b4ll Sep 21st 2020, 2:01pm	26		2,863	ic3b4ll Sep 21st 2020, 2:01pm
Video buffer PCB to fix badly designed superguns pacoarcade Jun 28th 2020, 5:46pm pacoarcade Sep 19th 2020, 2:15pm	7	+4	521	pacoarcade Sep 19th 2020, 2:15pm
Is this Joe and Mac Returns original? Rezo Sep 13th 2020, 3:55pm Rezo Sep 13th 2020, 6:13pm	3		226	Rezo Sep 13th 2020, 6:13pm
Konami GX Conversions? 1 2 Sjlewis78 Sep 15th 2018, 2:59am Tailsnic Retroworks Sep 8th 2020, 8:17pm	32		6,518	Tailsnic Retroworks Sep 8th 2020, 8:17pm
Konami 054986A cap list: (discrepancies) juanmiglesias Sep 8th 2020, 2:05am caius Sep 8th 2020, 8:59am	3	+1	239	caius Sep 8th 2020, 8:59am
Help me solve an SSV Mystery! 1 2 twistedsymphony Feb 13th 2020, 12:43pm AlxUnderBase Sep 4th 2020, 7:49am	38	+5	5,009	AlxUnderBase Sep 4th 2020, 7:49am
System 573 Games Patched to not need Security Cart 1 2 twistedsymphony Mar 29th 2018, 3:11am twistedsymphony Aug 31st 2020, 5:00pm	24	+3	5,437	twistedsymphony Aug 31st 2020, 5:00pm
Pinout for adapter of Pre-jamma Kravex Aug 25th 2020, 2:37pm nem Aug 30th 2020, 12:57pm	1		232	nem Aug 30th 2020, 12:57pm