Ensure you re-generate the iso-file and burn the DVD somewhere in 64-bit mode, due to the huge bigfile-size of far beyond 2048MB (in fact circa 4.2GB).
Best (and only tested) is either Solaris 10++ in amd64, or sparcv9 64 bit mode.

NOTE: The files could not be compressed, because they already contain higly compressed content (short version of the story).

0.)  #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__aa
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ab
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ac
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ad
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ae
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__af
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ag
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ah
     #  wget http://www.martux.org/RELEASES/x86_and_x64/DVD/mBE_BlastwaRe_marTux_0_2_iso__ai 

1.)  #  cat mBE_BlastwaRe_marTux_0_2_iso__a? > mBE_BlastwaRe_marTux_0_2.iso
2.)  #  cdrecord -scanbus
3.)  #  /opt/csw/bin/cdrecord -v dev=2,0,0 -speed=4 -eject -dao driveropts=burnfree mBE_BlastwaRe_marTux_0_2.iso
4.) Boot from DVD (Pentium or higher plus 384MB mem are absolute minimum requirement)
5.) login as root (pw=="martux"), then execute "xauto"