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| Diagnostic LED Decoder |
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G=Green, R=Red, A+Amber | Description | |||||
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0A | G | OFF | G | OFF | Initializes the 8042 | |
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| compatible Key Board | |
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| Controller | |
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0B | G | OFF | G | G | Detects the presence of | |
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| PS/2 Mouse | |
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0C | G | G | OFF | OFF | Detects the presence of | |
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| Keyboard in KBC Port | |
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0E | G | G | G | OFF | Testing and initialization | |
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| of different Input Devices. | |
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| Also, update the Kernel | |
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| Variables. | |
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| Traps the INT09h vector, | |
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| so that the POST INT09h | |
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| handler gets control for | |
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| IRQ1. Uncompress all | |
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| available language, BIOS | |
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| logo, and Silent logo | |
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| modules. | |
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13 | OFF | OFF | G | A | Early POST initialization of | |
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| chipset registers | |
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24 | OFF | G | R | OFF | Uncompress and initialize | |
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| any platform specific BIOS | |
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30 | OFF | OFF | R | R | Initialize System | |
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| Management Interrupt | |
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2A | G | OFF | A | OFF | Initializes different devices | |
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| through DIM. See DIM | |
Code Checkpoints section of document for more information
