Quoted from vader1979:have not installed yet as I read a thread about someone who installed new roms and it messed up his machine
Yeah that was me. CPU and display boards are now with a tech. Should get them back in a few weeks. Problem has not been diagnosed yet. I will update my thread once this is resolved.
As was mentioned in my thread, read this bulletin thoroughly before you start switching chips. Use a small flathead screwdriver to unseat them.