hi, really a strange situations. Try to boot with a different distro's boot iso (like Gentoo or Crux). So you can understand if it's a problem related to the iso or the cdrom driver. regards, -- Power Mac G4 AGP 450MHz - CRUX PPC (32bit)/DebianPPC Power Mac G5 dual 1.8 PCI-X - CRUX PPC (64bit)/Tiger