Err cdrom://Ubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016) gutsy/restricted sl-modem-daemon 2.9.10+2.9.9d+e-pre2-5ubuntu4
  Disk not found.
Failed to fetch cdrom:[Ubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016)]/pool/restricted/s/sl-modem/sl-modem-daemon_2.9.10+2.9.9d+e-pre2-5ubuntu4_i386.deb  Disk not found.
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?