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Code(hex) | Name | Description |
18 | InitCPU | CPU ID and initialize L1/L2 cache |
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19 | Reserved |
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1A | Reserved |
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1B | Setup Interrupt | Initialize first 120 interrupt vectors Vector Table with |
|
| SPURIOUS_INT_HDLR and initialize INT |
|
| according to INT_TBL |
|
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1C | CMOS Battery Check | Test CMOS and check Battery Fail |
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1D | Early PM Early PM |
|
| initialization |
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1E | Reserved |
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1F | Load keyboard matrix | |
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20 | Reserved |
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21 | HPM init | Init Heuristic Power Management (HPM) |
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22 | Reserved |
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23 | Program chipset | Early Programming of chipset registers |
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24 | Init PNP | Init PNP |
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25 | Shadow VBIOS | Shadow system/video BIOS |
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26 | Clock | Gen Init onboard clock generator and sensor |
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27 | Setup BDA | Setup BIOS DATA AREA (BDA) |
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28 | Reserved |
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29 | CPU Speed detect | Chipset programming and CPU Speed detect |
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2A | Reserved |
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2B | Init video | Initialize Video |
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2C | Reserved |
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2D | Video memory test | Test Video Memory and display Logos |
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2E | Reserved |
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2F | Reserved |
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30 | Reserved |
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31 | Reserved |
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32 | Reserved |
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33 | Early keyboard reset | Early Keyboard Reset |
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34 | Reserved |
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35 | Test DMA Controller | Test DMA channel 0 |
| 0 |
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36 | Reserved |
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37 | Test DMA Controller | Test DMA channel 1 |
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|
| 113 |
