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6 Tests and Error Messages
Order in Which POST Tests Are Performed
A2h Check key lock
A4h Initialize typematic rate
A8h Erase F2 prompt
AAh Scan for F2 key stroke
ACh Enter SETUP BIOS SETUP
AEh Clear Boot flag
B0h Check for errors ...Checking...
B2h POST done - prepare to boot operating system
B5H Terminate QuietBoot (optional)
B6h Check password (optional) Check Password
B7h ACPI tables initialized ACPI Init.
B8h Clear global descriptor table
B9h Prepare Boot Prepare Boot...
BAh Initialize DMI parameters DMI Tables Init.
BBh Initialize PnP Option ROMs PNP Opt. ROM Init
BCh Clear parity checkers
BDh Display MultiBoot menu
BEh Clear screen (optional)
BFh Check virus and backup reminders
C0h Try to boot with INT 19
C1h Initialize POST Error Manager (PEM)
C2h Initialize error logging
C3h Initialize error display function
C4h Initialize system error handling
C5h PnPnd dual CMOS (optional)
Checkpoint
Code
POST Routine Description
MaxiLife LCD
Display
Message
Beep
Codes