OK NOW IM REALLY GOING NUTS! I installed a crystal chip pro in PS 2 V15. I finally was able to get a firmware to working after going through a whole bunch of cd's. I found out I had to use Alcohol 120 in DAO/SAO format to work. The problem is the only firmware I got to work is the OEM Crystal chip firmware. This firm ware does not let you play your back ups. When I try to use a hacked firmware (hacked O29)the PS 2 wont read it and the screen just stays black. Whats going on? The firmware from Crystal chip works but nothing else will work.