IBM didn't ship any on their PC
So? You can replace the ROM chip (or flash it, if it's an EEPROM). The whole point of free software is that you don't have to limit yourself to what the manufacturer says you can do.
So? You can replace the ROM chip (or flash it, if it's an EEPROM). The whole point of free software is that you don't have to limit yourself to what the manufacturer says you can do.