Acer AC100 Acer AC100 Service Guide - Page 105

Checkpoint A0 A1 A2 A4 A7 A8 A9 AA AB AC B1 00 Description Check boot password if installed. Clean-up work needed before booting to OS. Takes care of runtime image preparation for different 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. Initialize runtime language module. Displays the system configuration screen if enabled. Initialize the CPU's before boot, which includes the programming of the MTRR's. Prepare CPU for OS boot including final MTRR values. Wait for user input at config display if needed. Uninstall POST INT1Ch vector and INT09h vector. Deinitializes the ADM module. Prepare BBS for Int 19 boot. End of POST initialization of chipset registers. Save system context for ACPI. Passes control to OS Loader (typically INT19h). Chapter 8 99