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Barth0lin0

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Hi guy.

I'm a proud new owner of a V14 IGS PGM board.

Looking for an easy way to plug a 3rd and 4th player for all the beat em up greatness!

I find the OEM cable unpractical to play with a supergun so i dont want to spend on it ( I use V1.7 minugun supergun)

Ordered a bunch of 34 pins connector and DB15 neogeo connectors to make a custom cable.

Also found that RGB is selling his adaptor for the HAS and this http://projects.trurip.org/?page_id=37 with a custom pcb .

Is there any open source PCB project in the universe? If not maybe someday I could try to design one...i'm no expert....but this looks like basic routing!

gimme your input!

thx :thumbup:

Simon
 
Here's what my 4-player cable looks like. You just need a spare jamma harness and some DB15 connectors. It's really nbd.
 

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I bought a pcb someone made just for this about 3 years ago... and sold it a year ago. I would’ve thought it’d be more massed produced after RGB came out with his.
 
Decided to make a custom one with a IDE 34 pin connector and 2 DB-15 connector. A lot of small soldering but easy project!
 
Don't follow that pinout, it's backwards re pin numbering.
 
I'll have to dig through my notes but it was something along the lines of pin 1 is labelled as pin 34 and vice versa.
 
I've been looking to make up a cable to link 2x cabs up for some 4 player fun also.
The official cable seems crazy expensive, I'm sure I found the pinout online for it. The only question mark is the white component on the player 3/4 machine's fingerboard. A voltage regulator perhaps?
 
I've been looking to make up a cable to link 2x cabs up for some 4 player fun also.
The official cable seems crazy expensive, I'm sure I found the pinout online for it. The only question mark is the white component on the player 3/4 machine's fingerboard. A voltage regulator perhaps?
it’s a big resistor to put some load on player 2 cab.
 
Don't follow that pinout, it's backwards re pin numbering.
Does anyone know if this was fixed since that post?

Does anyone have the _definite_ pinout? All Google searches end up either at junkerhq or arcadeotaku:

http://junkerhq.net/xrgb/index.php?title=PolyGame_Master
and
https://wiki.arcadeotaku.com/w/IGS_PolyGame_Master

Edit:
Based on the drawing pin 1 should be top right if the notch is at the top:
https://multimedia.3m.com/mws/media/22448O/3m-four-wall-header-3000-series-100-x-100-ts-0772.pdf

So the junkerhq pinout should be mirrored horizontally:

Top rowPinPinBottom row
GND3334Speaker +
GND3132Speaker +
Blue2930Green
Red2728GND
GND2526Sync
Coin counter 12324Coin counter 2
Test2122Service
Player 3 Button D1920Player 4 Button D
Player 3 Button C1718Player 4 Button C
Player 3 Button B1516Player 4 Button B
Player 3 Button A1314Player 4 Button A
Player 3 Right1112Player 4 Right
Player 3 Left910Player 4 Left
Player 3 Down78Player 4 Down
Player 3 Up56Player 4 Up
Player 3 Start34Player 4 Start
Player 3 Coin12Player 4 Coin


The part used on the motherboard seems to be this:
https://www.digikey.co.uk/product-detail/en/3m/N3431-5302RB/MHR34N-ND/2183060

(Edit: This pinout seems to work.)
 
Last edited:
Here's what my 4-player cable looks like. You just need a spare jamma harness and some DB15 connectors. It's really nbd.
Can you do me a favour and check which pins Speaker- from the Jamma edge is connected to?
 
I'll be posting some details soon, probably within the week. Should be ready for production and testing soon.
Just wondering if you ever made a adapter for P3&P4?
If so I would love to purchase one!
I tried to make one with a old floppy drive cable which sort of works but the wires break far to easily!
 
I used 3D printing ribbon cable for my link loom, it's pretty robust. My link loom was just standard jamma for players 1 & 2 across two cabs mind, I've not attempted to make a PGM 3 & 4 player one just as yet.
 
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