Simple way to use Jamma Splitter for 6-button games?

ShadowThrow

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I have tried researching this without luck.

I have an original Street Fighter 2 board and a Pandoras Box 6. I habe been informed by sellers of Jamma splitters that if I try to simply plug and play with SF2 and Pandoras Box, that it will only support 4 buttons. Is there any easy setup that I can do that does not involve soldering or difficult rewiring?

Thanks in advance!
 
Not really, normal JAMMA standard only supports 4 buttons for each player; it's a physical limitation. IIRC, Pandora Box uses a modified version of JAMMA called CHAMMA which adds two additional buttons on the JAMMA edge, but if you want to use the extra buttons in a standard cab you'd need something like this presumably

https://www.mikesarcade.com/cgi-bin/store.pl?sku=JA-CHAMMA

Theroetically this shouldn't be too difficult, as all you'd have to do is connect the pass-through edge connector and then wire up the kick harness to the additional buttons (no soldering or splicing involved).
 
can't you daisy chain them *wire them in parallel* with inline diodes?
someone smart will correct me if i'm wrong
 
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The SF2 and the Jamma both work with the existing setup, all 6 buttons but I have to unplug the connector to the SF@ board and plug it into the Jamma to swap them. Can I use the existing setup and just get the splitter plus 2 Jamma connectors that go from the units to the splitter, and then connect the splitter to the existing connector?
 
Here are some photos of the setup. I have to manually unplug the connector from the SF2 board and plug it into the thing connected to the Pandoras Box. Please excuse my undertechnical language.IMG_1298.jpgIMG_1301.jpgIMG_1302.jpg
 
if you're manually moving that connector, then i think what you need to do (or get someone to do) is make an adapter that:
shares grounds to both boards
each kick button (6x) wired like:

Code:
pcb1 button input
               \
                  \---<|---
                            \
                              >   physical button
                            /
                  /---<|---
               /
pcb2 button input


i clearly forget how to effectively use ascii art but hopefully that makes sense
"<|" is the diode and i forget which direction but i think thats right, and you'd want six of them like that in your adapter

edit: and physically it would be two female connectors (just like the one you're moving now), wiring and diodes, and then one male end to connect to the existing harness that you're moving
 
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It looks like you have a jamma type adaptor connected to the PBox? Does it have headers for buttons 4-6?

I have the same setup with a SF2 board, 2 different Pandora Boxes, and other jamma boards in the one cabinet. I have the chamma adaptors connected to the PBoxes which makes it easy to get buttons 4-6 on the chamma adaptor header pins on a separate wire harness that runs through a Riddle TV's "multipurpose multifighter condensor board"


The boards then run through Jamma wire harness extensions through the riddled jamma switcher. Buttons 4-6 harness go to the multifighter condensor board. You will need an extra kick harness for the sf2 board since you will connect that one to the output of the condensor connection.

You switch jamma boards by holding the 1+2 buttons and everything switches over.

*Some model pandora boxes didnt play nice with the diodes and per Riddle's guidance I had to add jumper wires over those diodes on the condensor board for one of the PB versions for the buttons to register.
 
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I would pay if someone can create the setup described above. I am not good at this, haha. Cheers
 
I understand the desire to run the original hardware in addition to the PB, but keep in mind the mentioned switcher setup will be costly. The SFII you have is arguably the worst version of the game. Besides, the PB emulation is pretty good and it has all the Street Fighters. I would just run the PB with this adapter and you can just plug and play.

Also, the official JAMMA standard is 3 input buttons, 2 players:

The JAMMA standard uses a 56-pin edge connector on the board, with inputs and outputs common to most video games. These include power inputs (5 volts for the game and 12 volts for sound); inputs for two joysticks, each with three action buttons and one start button;

 
I understand the desire to run the original hardware in addition to the PB, but keep in mind the mentioned switcher setup will be costly. The SFII you have is arguably the worst version of the game. Besides, the PB emulation is pretty good and it has all the Street Fighters. I would just run the PB with this adapter and you can just plug and play.

Also, the official JAMMA standard is 3 input buttons, 2 players:

The JAMMA standard uses a 56-pin edge connector on the board, with inputs and outputs common to most video games. These include power inputs (5 volts for the game and 12 volts for sound); inputs for two joysticks, each with three action buttons and one start button;

SF2 World Warrior is BY FAR my favorite version of the series. It's what I grew up on, it's what made fighting games popular and it contains a bunch of fun glitches that I enjoy. Thx for your help. The Pandoras Box version is different, I tested them against eachother.
 
Here are some photos of the setup. I have to manually unplug the connector from the SF2 board and plug it into the thing connected to the Pandoras Box. Please excuse my undertechnical language.View attachment 851094View attachment 851093View attachment 851092
Looks like you already have a CHAMMA to JAMMA adapter on that Pandora's Box? So, if you put the existing JAMMA harness on the Pandora's Box it should work right? Did you test the Kick buttons on a Street Fighter game when using the Pandora's Box on your JAMMA setup?

Seems like you'd need to have the kick harness plugged in somewhere on that JAMMA/CHAMMA adapter (you can see it plugged into the SFII PCB). Or else the kick buttons will not work (hence the name a "kick harness".)

Can you get closer pics of the adapter on the Pandora's Box?

Del
 
Thank you Del! I will be with the machine on Monday and will post better images. I have to move both plugIMG_1298.jpgs between the SF2 and PBox and they both work with all 6 buttons. I may have had to move the thing plugged into the PBox as well for the SF2 to work, I will double check Monday.
 
A Jamma switcher + Multifighter Condenser + 2 condenser cables would make this a plug and play solution. as best I can tell, you already have a Chamma adapter there.
Please feel free to contact me if you would like me to email a quote for you.
 
A Jamma switcher + Multifighter Condenser + 2 condenser cables would make this a plug and play solution. as best I can tell, you already have a Chamma adapter there.
Please feel free to contact me if you would like me to email a quote for you.
Thank you! I sent you a message.
 
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