DEAR SIR, i'm using phytec board.. now i'm configure cs0 for flash memory, cs1 for ram and cs2 for another ic just to select ic. i am addressed that ic at 100000h using far pointer.. so at startup.a66 buscon2 =1 ,adress2=100000h range 32k.. at target hardware using small model,rom start at 0x00-0x7fff,ram 0x40000-0x48000. however when i try to compile i got problem as state below: 'reference to made unresolved external. anybody please advice me. regard.