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| B | Onboard Audio init | Onboard audio controller initialize if | ||
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| exist | ||
| C | Reserved |
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| D | Reserved |
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| E | CheckSum Check | Check the intergraty of the ROM,BIOS and |
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| message | ||
| F | Reserved |
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| 10 | Auto detec EEPROM | Check Flash type and copy flash |
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| write/erase routines to 0F000h segments | ||
| 11 | Reserved |
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| 12 | Cmos Check | Check Cmos Circuitry and reset CMOS |
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| 13 | Reserved |
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| 14 | Chipset Default | Program the chipset registers with CMOS |
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| load | values | ||
| 15 | Reserved |
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| 16 | Clock Init | Init onboard clock generator |
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| 17 | Reserved |
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| 18 | Identify the CPU | Check the CPU ID and init 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 |
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| Vector Table | vectors with SPURIOUS_INT_HDLR and | ||
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| initialize | ||
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| INT | ||
| 1C | Reserved |
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| 1D | Early PM Init | First step initialize if single CPU onboard |
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| 1E | Reserved |
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| 1F |
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| 20 | Reserved |
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| 21 | HPM init | If support HPM, HPM get initialized here |
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| 22 | Reserved |
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| 23 | Test CMOS Interface | Verifies CMOS is working correctly, |
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| and Battery Status | detects bad battery. If failed, load CMOS | ||
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| defaults and load into chipset | ||
| 24 | Reserved |
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| 25 | Reserved |
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| 26 | Reserved |
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| 27 | KBC final Init | Final Initial KBC and setup BIOS data area |
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| 28 | Reserved |
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| 29 | Initialize Video | Read CMOS location 14h to find out type of |
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| Interface | video in use. | ||
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| Detect and Initialize Video Adapter. | ||
| 2A | Reserved |
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| 2B | Reserved |
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| 2C | Reserved |
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| 2D | Video memory test | Test video memory, write |
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| message to screen. | ||
| 2E | Reserved | Setup shadow RAM - Enable shadow |
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| according to Setup. | ||
| 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 | PS2 Mouse setup | Setup PS2 Mouse and reset KB |
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| 34 | Reserved |
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| 35 | Test DMA Controller | Test DMA channel 0 |
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| 0 |
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| 36 | Reserved |
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| 37 | Test DMA Controller | Test DMA channel 1 |
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| 1 |
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| 38 | Reserved |
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| 39 | Test DMA Page | Test DMA Page Registers. |
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| Registers |
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| 3A | Reserved |
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| 3B | Reserved |
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| 52 |
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