I toshiba a100-508(ATI) for italy has bios v.2.3 win and its last version does not vary, its size 514kb. You on a site have only for v.6 (England), it has the size 1 mb I already tried to establish all methods, but it turns out nothing. Tried to stitch an official insertion v.6 from site Toshiba, does not want it is stitched. Native v2.3 too it is not established, because it already costs and writes that is established and it is not necessary to establish, in system dos established, phflash 1.7 under the instruction, has stopped on verification of memory and everything, help to establish slic2.1 support1.toshiba-tro.de/tedd-files2/0/bios-20081016105049.zip