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Check
Point
Description
A9
Returned
Next,
the E000 option ROM had control.
AA
Initialization
completed. Displaying the system configuration next.
AB
Building the multiprocessor table, if necessary. POST
next.
B0
The system configuration is displayed.
AC
Uncompressing the DMI data and initializing DMI.
B1
Copying any code to specific areas.
D0h
The NMI is disabled.
Next, the initialization cade checksum will be verified.
D1h
Initializing the DMA controller.
controller BAT test.
entering 4 GB flat mode next.
D3h
Starting memory sizing next.
D4h
Returning to real mode.
and setting the stack next.
D5h
Passing control to the uncompressed code in shadow
RAM at E000:0000h.
to segment 0 and control will be transferred to segment
0.
D6h
Control
<Ctrl><Home>was pressed and verifying the system
BIOS checksum.
If either <Ctrl><Home> was pressed or the system BIOS
checksum is bad, next the system will go to checkpoint code
E0h. Otherwise, going to checkpoint code D7h.
Appendix B: AMIBIOS POST Diagnostic Error Messages
from
adaptor
performing
after
is
in
segment
B-9
ROM
at
any
initialization
E000
option
Power on delay is starting.
Performing the keyboard
Starting memory refresh, and
Executing any OEM patches
The initialization code is copied
0.
Next,
E000h
control.
required
after
ROM
control
checking
has
if
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