Hi, I've started to build a MidiBox Sid. The core is working fine (I can upload application, the lcd is working). I 've plugged the sid module and checked the voltages, all OK. So I put the ICs in the socket. The LCD doesn't display anything but I still can upload application. I'v try removing the ICs and when I removed IC3 my LCD is working again. I've no idea where the problem is, i've no short or cut in the PCB. If anyone know how to solve this problem. Buryplo