Hammerheadx
Well-known member
I got my Mappy project up and running and was playing some games, when suddenly the sound went to a high pitch squeal, then the game locked up. Now it only partly boots and stops at "Ram 6".
Any guesses what's happened? I'm not electronically savvy and don;t own a logic probe.
Any guesses what's happened? I'm not electronically savvy and don;t own a logic probe.


![IMG_4836[1].JPG IMG_4836[1].JPG](https://sf.arcade-museum.com/data/attachments/763/763068-d4949bf57d754513e6d53564ed16dcda.jpg)