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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56h | Enable keyboard |
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58h | Test for unexpected interrupts | Unexpect. STOP |
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59h | Initialize POST display service |
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5Ah | Display prompt “Press F2 to enter SETUP” |
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5Bh | Disable CPU cache |
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5Ch | Test RAM between 512 and 640 KB | Base Memory Test |
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60h | Test extended memory | Ext. Memory Data |
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62h | Test extended memory address lines | Ext. Memory Add. |
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64h | Jump to UserPatch1 |
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66h | Configure advanced cache registers |
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67h | Initialize Multi Processor APIC |
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68h | Enable external and CPU caches |
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69h | Setup System Management Mode (SMM) area |
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6Ah | Display external L2 cache size |
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6Ch | Display |
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6Eh | Display possible high address for UMB recovery |
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70h | Display error messages |
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72h | Check for configuration errors |
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76h | Check for keyboard errors | Keyboard Test |
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7Ch | Set up hardware interrupt vectors |
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7Eh | Initialize coprocessor if present |
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80h | Disable onboard Super I/O ports and IRQs |
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81h | Late POST device initialization |
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82h | Detect and install external RS 232 ports |
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83h | Configure |
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