Adding 4th button to new Astro city

Metalslug

Cham Cham's Banana,
20 Year Member
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Jun 9, 2001
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273
I have a 1 slot in a new Astro city. How do I add the 4th button for neo geo? For cps2 I have the kick harness for 6 buttons. What's the best solution?
 

Westcb

Give an Azn, A Break Here!,
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May 17, 2012
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1,190
I have a 1 slot in a new Astro city. How do I add the 4th button for neo geo? For cps2 I have the kick harness for 6 buttons. What's the best solution?

You wire in the 4th button to the jst connector under the control panel, arcade otaku has a wiring pic for visual aid.
 

PigInTheMud

Tarma's Gun Polisher
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Jun 8, 2012
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109
This should be what you are looking for Wiring Guide
It should match the control panel on your astro city cab
 
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Pinball

Kula's Candy
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May 7, 2012
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294
I use the Jammaboards.com MVS>JAMMA adaptor, which includes pinouts for button 4, stereo speakers if you want it, etc.

I hadn't realised the chap who ran Jammaboards died a year or so back - RIP :-( I was checking their store last night, which is closed now, and did some further checking today. Man, that was a great site. I bought all the adaptors etc I might need a few years back, thank goodness. I just wanted a 10-pin connector for the pin out to enable easy connection to button 4 etc on the Astro I just bought, but I guess will have to customise something up, which is no biggie. Plus I've got the NG cab for MVS anyway.
 

Metalslug

Cham Cham's Banana,
20 Year Member
Joined
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Posts
273
I use the Jammaboards.com MVS>JAMMA adaptor, which includes pinouts for button 4, stereo speakers if you want it, etc.

I hadn't realised the chap who ran Jammaboards died a year or so back - RIP :-( I was checking their store last night, which is closed now, and did some further checking today. Man, that was a great site. I bought all the adaptors etc I might need a few years back, thank goodness. I just wanted a 10-pin connector for the pin out to enable easy connection to button 4 etc on the Astro I just bought, but I guess will have to customise something up, which is no biggie. Plus I've got the NG cab for MVS anyway.

Can I get a pic of the adapter?
 

Xian Xi

JammaNationX,
15 Year Member
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27,748
You can easily use a JNX Atlas for adding buttons 4 and 5(select) via existing kick harness.
 

Pinball

Kula's Candy
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May 7, 2012
Posts
294
You can easily use a JNX Atlas for adding buttons 4 and 5(select) via existing kick harness.
Presumably via CPS2 harness. But what are the settings, as NG isn't JAMMA? Is it with the switch set to Elf/Pandora? I guess a 1-slot NG with JAMMA edge would cover issues of voltage and audio.
 
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Xian Xi

JammaNationX,
15 Year Member
Joined
Dec 1, 2005
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27,748
Presumably via CPS2 harness. But what are the settings, as NG isn't JAMMA? Is it with the switch set to Elf/Pandora? I guess a 1-slot NG with JAMMA edge would cover issues of voltage and audio.

Yes, set to JAMMA as elf would flip the elf button 6 from ground (jamma). Yes, a 1 slot is JAMMA, you can also just add the extra wire from your jamma harness and save some money. The JNX Big Red is the JAMMA to MVS adapter but I don't have an output for buttons 4 and 5, I'm debating on adding those to the next version.
 

Pinball

Kula's Candy
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May 7, 2012
Posts
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Xian Xi, I've ordered loads of stuff from you recently (in addition to loads a few years ago, including a supergun), and your equipment rocks. I would say your boards and other equipment are the natural successor to Jammaboards (RIP). I hope you will ensure you produce equivalents to his adaptors etc.

I attached a CPS2 harness to your Atlas adaptor, and achieved 6 buttons with SF2 etc on both Pandora 4S and RaspberryJAMMA (set to Elf). In addition, I achieved 4 buttons on a 1-slot NeoGeo board (set to JAMMA, as it has JAMMA edge connector of course). The integrated voltmeter is useful too :-)

So basically all problems are now solved thanks to your Hawaiian magic :-)
 

Xian Xi

JammaNationX,
15 Year Member
Joined
Dec 1, 2005
Posts
27,748
Xian Xi, I've ordered loads of stuff from you recently (in addition to loads a few years ago, including a supergun), and your equipment rocks. I would say your boards and other equipment are the natural successor to Jammaboards (RIP). I hope you will ensure you produce equivalents to his adaptors etc.

I attached a CPS2 harness to your Atlas adaptor, and achieved 6 buttons with SF2 etc on both Pandora 4S and RaspberryJAMMA (set to Elf). In addition, I achieved 4 buttons on a 1-slot NeoGeo board (set to JAMMA, as it has JAMMA edge connector of course). The integrated voltmeter is useful too :-)

So basically all problems are now solved thanks to your Hawaiian magic :-)

Thanks dude, I appreciate it very much.
 
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