... 2, verify the CPU registers work." ,0x08, "make CMOS timer for initial preparation, dazed update timer cycle often." ... ) shielding bits." ,0x1B, "test CMOS battery level." ,0x1C, "test CMOS check sum." ,0x1D, "the setting CMOS configuration." ,0x1E, "determination of system ... memory size and passing word and CMOS value comparison." ,0x1F, "640K supreme a64k memory test." ...