105
| Diagnostic LED Decoder |
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Post |
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G=Green,R=Red,A=Amber | Description | |||||
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| LSB |
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81h | R | Off | Off | G | Keyboard Interface Test: A | |
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| keyboard reset error or stuck key | |
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| was found. Issuing the keyboard | |
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| controller interface test | |
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| command next. | |
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82h | R | Off | G | Off | Check Stuck Key Enable | |
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| Keyboard: The keyboard | |
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| controller interface test | |
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| completed. Writing the | |
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| command byte and initializing | |
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| the circular buffer next. | |
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83h | R | Off | G | G | Disable parity NMI: The | |
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| command byte was written and | |
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| global data initialization has | |
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| completed. Checking for a | |
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| locked key next. | |
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84h | R | G | Off | Off | Verify RAM Size: Checking for a | |
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| memory size mismatch with | |
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| CMOS RAM data next. | |
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84h | R | G | Off | Off | Check ATA Cable Type presence | |
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| of ATAPI devices. | |
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84h | R | G | Off | Off | Display Keyboard Message. | |
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16h | Off | G | G | R | Display IDE mass storage devices. | |
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17h | Off | G | G | A | Display USB mass storage | |
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| devices. | |
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85h | R | G | Off | G | Report the first set of POST | |
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| Errors To Error Manager. | |
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86h | R | G | G | Off | Boot Password Check: The | |
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| password was checked. | |
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| Performing any required | |
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| programming before Setup next. | |
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