Computer with multi booting function

摘要: A computer having multi booting function with more than two boot-ROMs is disclosed. The comprise a flash RAM, and have the same address space in system. Preferably, first boot-ROM provided general boot program, second detailed diagnostic program. Alternatively, conventional reprogrammed or updated programs. Provided select signal generator for producing signals which designate one of said circuit control that selectively activate response to memory fed from CPU signals. includes reset switches chip signals, each designating boot-ROMs. Also, those can be produced an input specific key combination keyboard controller.