Test 3A - ROM Checksum Error
If DRB-II does not display ROM FAILURE, return to test that sent you here. If DRB-II displays ROM FAILURE, reboot DRB-II by reinstalling DRB-II cartridge. If DRB-II does not display ROM FAILURE, return to test that sent you here. If DRB-II displays ROM FAILURE, replace DRB-II.