firmware file format (and ARM processor) is the same for following models
first blocks of FW supplied
FujiFilm
S700(S5700)
LENGTH=3019340 SG1A4 VER=V1A4-77 DVR=1.02 SUM=298872240 NLIPI
S800(S5800)
LENGTH=3119420 SG1A6 VER=V1A6-74 DVR=1.01 SUM=314479374 NLIPI
s8000fd
LENGTH=3778448 SG2A2 VER=V2A2-75 DVR=1.01 SUM=383221140 NLIPI
just now i cant go on to produce other ..... lines