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168
Diagnostic LED Decoder
Check
G=Green, R=Red, A+Amber
point
MSB
D7
R
D8
A
D9
A
DA
A
Appendix F: Diagnostic Code Checkpoints
LSB
A
G
A
R
OFF
R
R
OFF
A
R
G
R
Description
Restore CPUID value back
into register. The
Bootblock-Runtime
interface module is moved
to system memory and
control is given to it.
The Runtime module is
uncompressed into
memory. CPUID
information is stored in
memory.
Store the Uncompressed
pointer for future use in
PMM. Copying Main BIOS
into memory. Leaves all
RAM below 1MB Read-
Write including E000 and
F000 shadow areas but
closing SMRAM.
Restore CPUID value back
into register. Give control
to BIOS POST (Execute
POST Kernel). See POST
Code Checkpoints section
of document for more
information.
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