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Appendix F: Diagnostic Code Checkpoints
172
Check
point
Diagnostic LED Decoder
DescriptionG=Green, R=Red, A=Amber
MSB LSB
EF A A A G Read error occured on
media. Jump back to
checkpoint EB.
F0 R R R R Search for pre-defined
recovery file name in root
directory.
F1 R R R A Recovery file not found.
F2 R R A R Start reading FAT table
and analyze FAT to find
the clusters occupied by
the recovery file.
F3 R R A A Start reading the recovery
file cluster by cluster.
F5 R A R A Disable L1 cache.
FA A R A R Check the validity of the
recovery file configuration
to the current
configuration of the flash
part.
FB A R A A Make flash write enabled
through chipset and OEM
specific method. Detect
proper flash part. Verify
that the found flash part
size equals the recovery
file size.
F4 R A R R The recovery file size does
not equal the found flash
part size.
FC A A R R Erase the flash part.
FD A A R A Program the flash part.
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