> my target board is mips NEC vr4131 processor board manufactured by KMC (Kyoto Microcomputers)
the information we get from this is not about the target board but about the processor. so try to find the board name or whatever the alias is ..
> don't have jumper settings for change the flash memory address.but It has one jumper(for clk settings)and one switch(for CPU mode settings).
i think you dont have both NOR and NAND flash in your board.its a similar type flash split up into two parts