[LinuxBIOS] Question about Config file

Hi all,

I have an little question, the size of the chip (bios) is declare only in
the ../targets/<mother>/<board>/Config.lb at the line ROM_IMAGE_SIZE, or
is in other config file, because when y compil the size of my
linuxbios.rom is 128ko , but my chip is an 256ko, and ROM_IMAGE_SIZE is
déclare at 256*1024,

thank's by adavance for your help,

regards

Ccases