richie_jones Posted July 18, 2019 Share Posted July 18, 2019 Is this important to wire grounding separate ? What do you mean by open and not close on switches?I was referring to the ipac when they have individual grounds for player 1 side and player 2 side, I'm not sure if the actual grounds are common to each other though, then it wouldn't matter.Open or closed refers to normally open I.e not pressed and normally closed I.e held down always pressed. You have both options on micro switches hence the 3 connection per switch. Link to comment Share on other sites More sharing options...
shitoken Posted July 19, 2019 Share Posted July 19, 2019 Thank you for clearing my mind. Negative wiring mine was connect all together didnt find any issue . I wanted to ask if you know how to restore or recover back the default Mame Keys to ipac board? What happened is I have upgraded the firmware but seems all my records been erased after upgrade. I was using ultimate board. Link to comment Share on other sites More sharing options...
richie_jones Posted July 20, 2019 Share Posted July 20, 2019 I'm not sure sorry. The normal ipac comes with a programme on the PC. Think it's called winipac. I use that to programme the buttons Link to comment Share on other sites More sharing options...
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