The Flash ROM that the OS uses is different from the Archive space, but I estimate it to be probably 256 to 512K. If they expected major upgrades maybe as much as 1Mb 82 World World of 82 Cassano wrote: > Ok, 250K system ram ( minus 64K the os uses = 188K ) , 384K archive ram, now how > much flash rom does the OS use? Estimations please.