6 Tests and Error Messages
Order in Which POST Tests Are Performed
Checkpoint |
| MaxiLife LCD | Beep | |
POST Routine Description | Display | |||
Code | Codes | |||
| Message | |||
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2Ch | RAM failure on address line 1 | RAM Add. Failure |
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2Eh | RAM failure on data bits xxxx1 of low byte of memory bus | RAM Data Low |
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2Fh | Enable cache before system BIOS shadow |
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30h | RAM failure on data bits xxxx1 of high byte of memory bus | RAM Data High |
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32h | Test CPU |
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33h | Initialize POST Dispatch Manager |
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36h | Warm start shut down |
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38h | Shadow system BIOS ROM | Shadow BIOS |
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3Ah | Autosize cache |
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3Ch | Advanced configuration of chipset registers |
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3Dh | Load alternate registers with CMOS values |
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42h | Initialize interrupt vectors |
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45h | POST device initialization |
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46h | Check ROM copyright notice |
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48h | Check video configuration against CMOS |
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49h | Initialize PCI bus and devices | PCI Detection | 5 | |
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4Ah | Initialize all video adapters in system | Video Detection | 4 | |
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4Bh | Display QuietBoot screen (optional) |
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4Ch | Shadow video BIOS ROM |
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4Eh | Display BIOS copyright notice |
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50h | Display CPU type and speed |
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51h | Initialize EISA board |
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52h | Test keyboard | Keyboard Test |
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54h | Set key click if enabled |
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