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