Acer Altos G520 series - Manual (Page 177)

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A2 R OFF A OFF 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 R G R OFF Initialize runtime
language module.
A7 R G A G Displays the system
configuration screen if
enabled. Initialize the
CPU’s before boot, which
includes the programming
of the MTRR’s.
A8 A OFF R OFF Prepare CPU for operating
system boot including
final MTRR values.
A9 A OFF R G Wait for user input at
config display if needed.
AA A OFF A OFF Uninstall POST INT1Ch
vector and INT09h vector.
Deinitializes the ADM
module.
AB A OFF A G Prepare BBS for Int 19
boot.
AC A G R A End of POST initialization
of chipset registers.
Check
point
Diagnostic LED Decoder
Description G=Green, R=Red, A+Amber
MSB LSB
BB!H631!.!FO/cppl!!Qbhf!278!!Uvftebz-!Bvhvtu!28-!3115!!5;13!QN