What are they doing?
Does the name show up in the menu?
They all show up on the list.
I have 2 motherboards and 1 single monitor dedicated machine.
But with one of the motherboards,
Gradius will show up on the list and when you go to start the game it disappears from the list and never starts.
On my other motherboard it will start but you can't move the ship forward unless you start a 2 player game then it works fine for player one and then the 2nd player can't move forward.
On Gauntlet, The game just will not start. You can get it to go to the title screen but it will just not start.
On SMB 2, You can get to title screen of the game but it will not boot. You go to start the game and it just glitches out to a solid color screen.
On the Contra Carts, you start a single player game and the something causes your character to run to left without pushing your joystick (you can try to override the movement by lets say pushing right, but it still pulls to the left as you do that).
If you start a 2 player game 1 player will move normal, but now the 2nd player walks to left by itself.
Both carts act exactly the same.
I have put a new power supply in, the voltages seem fine. When I have a steady 5 volts at the chips, I get 13.24 volts on the other.