32

3 Getting Started

 

 

Checkpoint Code

Description

 

 

8D

Build ACPI tables (if ACPI is supported).

 

 

8E

Program the peripheral parameters. Enable/Disable

 

NMI as selected.

 

 

90

Late POST initialization of system management inter-

 

rupt.

 

 

A0

Check boot password if installed.

 

 

A1

Clean-up work needed before booting to OS.

 

 

A2

Takes care of runtime image preparation for differ-

 

ent BIOS modules. Fill the free area in F000h segment

 

with 0FFh. Initializes the Microsoft IRQ Routing Table.

 

Prepares the runtime language module. Disables the

 

system configuration display if needed.

 

 

A4

Initialize runtime language module.

 

 

A7

Displays the system configuration screen if enabled.

 

Initialize the CPU before boot, which includes the

 

programming of MTRR.

 

 

A8

Prepare CPU for OS boot including final MTRR values.

 

 

A9

Wait for user input at configure display if needed.

 

 

AA

Uninstall POST INT1Ch vector and INT09h vector.

 

Reinitializes the ADM module.

 

 

AB

Prepare BBS for Int 19 boot.

 

 

AC

End of POST initialization of chipset registers.

 

 

B1

Save system context for ACPI.

 

 

00

Passes control to OS Loader (typically INT19h).

 

 

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Acer Altos G310 manual Build Acpi tables if Acpi is supported