Appendix A
23
(B6)Drive failed(failed to respond).
(B6)Check password(optional).(Bee
(B7)CMOS RAM invalid or no fixed drives, exit.
(B8)Fixed drive tests complete.
(B8)Clear global descriptor table.(Beep)=3
(B9)Attempt to boot diskette.
(BA)Attempt to boot fixed drive.
(BA)Initialize DMI parameters.
(BB)Boot attempt failed(diskette or fixed).
(BB)Initialize PnP option ROMs.
(BC)Boot record read, jump to boot record.
(BC)Clear parity checkers.(B
(BD)Drive error, retry booting.
(BE)Program defaults values into chipset.(BE)Chipset default initialization;
Program chipset registers with power on BIOS defaults.
(BE)Weitck CoProcessor test.
(BE)Clear screen(optional).(Beep)=3
(BF)Program the rest of the chipset
(BF)Chipset initialization; Program chipset registers with setup values.
(BF)Check virus and backu
(C0)Turn off chipset cache; OEM Specific
(C0)System board memory failure.
(C0)Try to boot with INT 19.(Beep)=4
(C1)I/O channel activated.
(C1)Initialize POST Error Manager(PEM).
(C2)NMI is Disable. Power on delay start on.
(C2)Initialize error logging.
ck memory(Cache, Video or first 64K)
(C3)DRAM Select page, Check BIOS setting and first SIMM, Possible address line
(C3)Initialize error display function.
(C4)CMOS conflicts, check video switch, BIOS(Chipset) on the video no
(C4)initialize system error handler.
(C5)Power on delay complete. Going to enable ROM i.c. disable Cache if any.
(C5)Early shadow; OEM Specific
Early shadow enable for fast boot.
(C6)Calculating ROM BIOS checksum.
(C6)Cache presence test; External cache size detection. (Check Memory first
64K.Check CPU jumper Setting). Also, Check Video memory
(C6)Initialize notebook docking (
(C7)ROM BIOS checksum passed. CMOS shutdown register test to be done next.
(C7)Shadow video/system BIOS after memory pass.
(C7)Initialize notebook docking late.
egister test done. CMOS checksum calculation to be done
(C8)CMOS Shutdown, time delay.
(C8)Force check(optional)
(C9)Extended checksum(optional)
(CA)CMOS checksum calculation is done, CMOS Drag by
register about to initializing for Date and Time.
(CA)Micronics cache initialization.
(CB)CMOS status register Init done. Any initialization before keyboard BAT to be
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