ROHS EmETXe-i9652, User Manual

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BIOS
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A2
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.
A4
Initialize runtime language module. Display boot option popup
menu.
A7
Displays the system configuration screen if enabled. Initialize
the CPU’s before boot, which includes the programming of the
MTRR’s.
A9 Wait for user input at config display if needed.
AA Uninstall POST INT1Ch vector and INT09h vector.
AB Prepare BBS for Int 19 boot. Init MP tables.
AC
End of POST initialization of chipset registers. De-initializes
the ADM module.
B1
Save system context for ACPI. Prepare CPU for OS boot
including final MTRR values.
00 Passes control to OS Loader (typically INT19h).