Hey All I have a Farallon(now Proxim i think) PN 966L-TX Fast Ethernet PCI card that i used in my 6500/300, working fine. I have installed it into my G4 MDD 03 and upon booting I go straight into Open Firmware, from where I can type in 'mac-boot' ands the machine boots normally and works normally. The error message given is BYTE_LOAD_FILE Failed. The card is auto-detected by OS 10.2.8 and works flawlessly across my network, so its not defective. It does not report a model or brand in ASP, but is communicating with my PB Ti. I am unable to reset PRAM before hitting Open Firmware. I remove the card and the machine boots normally. I place it back in and go back to Open Firmware on turning on. I removed the other PCI card in the machine, a Belkin USB2.0 card and removing it didn't fix the problem. Machine is stock standard, with 512RAM and has been fine for nearly 9 months. Specs MDD03 1.25Ghz 512MB/80G 10.2.8 This is the non FW800 G4 that boots into 9.2.2. Any thoughts? Any sites with more info on Open Firmware situations. Thanks Anthony