Intel® Compute Module MFS2600KI TPS |
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| Appendix B: POST Code Diagnostic LED Decoder | |||||||||
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Checkpoint |
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| Diagnostic LED Decoder |
| Description |
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| 1 = LED On, 0 = LED Off |
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| Upper Nibble |
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| Lower Nibble |
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| MSB |
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| LSB |
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| 8h |
| 4h | 2h |
| 1h | 8h | 4h | 2h | 1h |
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LED # |
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#7 |
| #6 | #5 |
| #4 | #3 | #2 | #1 | #0 |
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95h | 1 |
| 0 | 0 |
| 1 | 0 | 1 | 0 | 1 | DXE PCI Bus resource requested |
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96h | 1 |
| 0 | 0 |
| 1 | 0 | 1 | 1 | 0 | DXE PCI Bus assign resource |
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97h | 1 |
| 0 | 0 |
| 1 | 0 | 1 | 1 | 1 | DXE CON_OUT connect |
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98h | 1 |
| 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | DXE CON_IN connect |
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99h | 1 |
| 0 | 0 |
| 1 | 1 | 0 | 0 | 1 | DXE SIO Init |
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9Ah | 1 |
| 0 | 0 |
| 1 | 1 | 0 | 1 | 0 | DXE USB start |
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9Bh | 1 |
| 0 | 0 |
| 1 | 1 | 0 | 1 | 1 | DXE USB reset |
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9Ch | 1 |
| 0 | 0 |
| 1 | 1 | 1 | 0 | 0 | DXE USB detect |
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9Dh | 1 |
| 0 | 0 |
| 1 | 1 | 1 | 0 | 1 | DXE USB enable |
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A1h | 1 |
| 0 | 1 |
| 0 | 0 | 0 | 0 | 1 | DXE IDE begin |
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A2h | 1 |
| 0 | 1 |
| 0 | 0 | 0 | 1 | 0 | DXE IDE reset |
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A3h | 1 |
| 0 | 1 |
| 0 | 0 | 0 | 1 | 1 | DXE IDE detect |
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A4h | 1 |
| 0 | 1 |
| 0 | 0 | 1 | 0 | 0 | DXE IDE enable |
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A5h | 1 |
| 0 | 1 |
| 0 | 0 | 1 | 0 | 1 | DXE SCSI begin |
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A6h | 1 |
| 0 | 1 |
| 0 | 0 | 1 | 1 | 0 | DXE SCSI reset |
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A7h | 1 |
| 0 | 1 |
| 0 | 0 | 1 | 1 | 1 | DXE SCSI detect |
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A8h | 1 |
| 0 | 1 |
| 0 | 1 | 0 | 0 | 0 | DXE SCSI enable |
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A9h | 1 |
| 0 | 1 |
| 0 | 1 | 0 | 0 | 1 | DXE verifying SETUP password |
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ABh | 1 |
| 0 | 1 |
| 0 | 1 | 0 | 1 | 1 | DXE SETUP start |
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ACh | 1 |
| 0 | 1 |
| 0 | 1 | 1 | 0 | 0 | DXE SETUP input wait |
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ADh | 1 |
| 0 | 1 |
| 0 | 1 | 1 | 0 | 1 | DXE Ready to Boot |
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AEh | 1 |
| 0 | 1 |
| 0 | 1 | 1 | 1 | 0 | DXE Legacy Boot |
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AFh | 1 |
| 0 | 1 |
| 0 | 1 | 1 | 1 | 1 | DXE Exit Boot Services |
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B0h | 1 |
| 0 | 1 |
| 1 | 0 | 0 | 0 | 0 | RT Set Virtual Address Map Begin |
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B1h | 1 |
| 0 | 1 |
| 1 | 0 | 0 | 0 | 1 | RT Set Virtual Address Map End |
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B2h | 1 |
| 0 | 1 |
| 1 | 0 | 0 | 1 | 0 | DXE Legacy Option ROM init |
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B3h | 1 |
| 0 | 1 |
| 1 | 0 | 0 | 1 | 1 | DXE Reset system |
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B4h | 1 |
| 0 | 1 |
| 1 | 0 | 1 | 0 | 0 | DXE USB Hot plug |
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B5h | 1 |
| 0 | 1 |
| 1 | 0 | 1 | 0 | 1 | DXE PCI BUS Hot plug |
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B6h | 1 |
| 0 | 1 |
| 1 | 0 | 1 | 1 | 0 | DXE NVRAM cleanup |
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B7h | 1 |
| 0 | 1 |
| 1 | 0 | 1 | 1 | 1 | DXE Configuration Reset |
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00h | 0 |
| 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | INT19 |
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S3 Resume |
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E0h | 1 |
| 1 | 0 |
| 1 | 0 | 0 | 0 | 0 | S3 Resume PEIM (S3 started) |
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E1h | 1 |
| 1 | 0 |
| 1 | 0 | 0 | 0 | 1 | S3 Resume PEIM (S3 boot script) |
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E2h | 1 |
| 1 | 0 |
| 1 | 0 | 0 | 1 | 0 | S3 Resume PEIM (S3 Video Repost) |
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E3h | 1 |
| 1 | 0 |
| 1 | 0 | 0 | 1 | 1 | S3 Resume PEIM (S3 OS wake) |
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BIOS Recovery |
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F0h | 1 |
| 1 | 1 |
| 1 | 0 | 0 | 0 | 0 | PEIM which detected forced Recovery condition |
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F1h | 1 |
| 1 | 1 |
| 1 | 0 | 0 | 0 | 1 | PEIM which detected User Recovery condition |
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F2h | 1 |
| 1 | 1 |
| 1 | 0 | 0 | 1 | 0 | Recovery PEIM (Recovery started) |
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F3h | 1 |
| 1 | 1 |
| 1 | 0 | 0 | 1 | 1 | Recovery PEIM (Capsule found) |
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F4h | 1 |
| 1 | 1 |
| 1 | 0 | 1 | 0 | 0 | Recovery PEIM (Capsule loaded) |
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There are two types of POST Diagnostic Codes displayed by the MRC during memory initialization; Progress Codes and Fatal Error Codes.
Revision 1.0 | Intel Confidential | 47 |
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