RadiSys PROCELERANT CE915GMA Product Manual page 53

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Checkpoint Code Description
93h Creates MP tables.
95h Tests CDROM.
96h Exits big real mode.
97h Fixes up the MP table physical pointer and checksum.
98h Configures non-PC-compatible Plug and Play ISA devices, PCI IRQs, enable PCI devices and
ROM-scan.
99h Checks SMART status.
9Ch Late SMM (system memory mode) initialization.
9Dh Initializes the system security engine.
9Eh Enables the proper hardware interrupts.
A0h Sets time of day.
A2h Tests if key lock or keyboard controller password is on.
A8h Removes the "Press F2 for Setup"prompt.
AAh Checks if User has requested to enter setup.
ACh Checks to see if setup should be executed.
AEh Clears ConfigFailedBit and InPostBit in CMOS.
B0h Checks for POST errors.
B2h Clears CMOS bits to indicate that POST is complete.
B3h Stores enhanced CMOS values in non-volatile area.
B5h Terminates QuietBoot (splash screen).
B6h Queries for password before boot.
B7h Configures ACPI tables for OS use.
B9h Prepares to boot.
BAh Executes DMI handlers.
BCh Clears the parity error latch, set correct NMI state.
BDh Displays the "boot first"menu.
BEh Clears the screen.
BFh Checks the reminder features (virus, backup).
C0h Boots to operating system via Int19.
C1h Initializes PEM (Phoenix Error Manager) data structures
C2h Saves the current boot type into CMOS.
C2h Invokes error logging function for all registered error handlers.
C3h Checks the requested boot type.
C3h Invokes error handler(s) for asserted errors.
C4h Initializes (clears) the system error flags.
C4h Installs the IRQ1 vector.
C5h Marks the fact that BIOS is no longer in POST.
C6h Installs console redirection module.
C7h Removes the COM port address used by console redirection from BDA.
C8h Performs A20 Test.
C9h Checksum the entire BIOS and do a flash recovery if necessary.
CCh Restores the memory configuration.
CDh Reclaims console vectors after HW vectors initialized.
B
POST 80 codes
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