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Newbie - Building 1st MAME Machine

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Stingray:

Buy a new JAMMA harness, they're cheap enough and come labeled. Then it's just a matter of drilling the holes for the extra buttons you want and wiring the CP up.

-S

j123vt_99:

i'm really concerned about "playing" around with the elctronics/solidering/monitor etc on 1st machine.. .my thought is to use a pc/x-arcade and monitor in a cabinet to start with... once that is complete, then try building a CP (or buying one) and advancing from there...any thoughts>?

Bloinkxp:

Seriously,
Berfore you plan out your build read Project Arcade.  So many things are in that book and it's CD-ROM will benefit you.  It will, for instance, save you the expense of buying an X-Arcade and being dissatisfied with it.

Now, look in the Project Announcement Area and the Hall of Fame Area.  Read the step by steps these guys have put together.  That will help out.

Luck,
-d

j123vt_99:

ok.. guess i'm just really excited to get started.... can i purchase the book through this site or should i go to barnes & noble?

RetroJames:

Here is a decent graphic of how the Jpac fits into a jamma setup.  I used an ATI RAGE video card, but it will look the same for ArcadeVGA. (You need to download it to view properly)

http://forum.arcadecontrols.com/index.php/topic,20395.msg236896.html#msg236896

From Ultimarc, basic Jamma supports 2 joys and 3 buttons per player (plus coin, start, etc) 

http://www.ultimarc.com/jpac1.html

"What controls does the JAMMA connector support?

The JAMMA standard supports 2 players with 3 buttons per player. There is an unofficial addition to this, some cabinets wire a fourth button. Plus coin, start etc."

This shows the pinouts: http://www.ultimarc.com/jpac2.html

Also, if you look here:  http://www.ultimarc.com/jpac.html

At the bottom is a link to a high res pic of the jpac.  See the white rails (with screws) that have positions labeled,

1SW4 to 1SW8 and 2SW4 to 2SW8

This means, Player one, switch 4 through 8 and Player 2 switch 4 through 8.  You simply wire up your extra buttons wires to those postitions.

Super simple.  HTH







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