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Code |
| Beeps / Description |
| Code | Beeps / Description | |
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| memory bus |
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| |
2Fh |
| Enable cache before |
| 68h | Enable external and CPU | |
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| system | BIOS shadow |
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| caches |
30h |
| . RAM failure on |
| 69h | Setup System Management | |
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| data bits of high byte of |
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| Mode (SMM) area | |
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| memory bus |
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| |
6Ah |
| Display external L2 cache |
| A2h | Check key lock | |
|
| size |
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6Bh |
| Load custom defaults |
| A4h | Initialize Typematic rate | |
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| (optional) |
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6Ch |
| Display |
| A8h | Erase F2 prompt | |
|
| message |
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| |
6Eh |
| Display possible high |
| AAh | Scan for F2 key stroke | |
|
| address for UMB recovery |
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| |
70h |
| Display error messages |
| ACh | Enter SETUP | |
72h |
| Check for configuration |
| AEh | Clear Boot flag | |
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| errors |
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76h |
| Check for keyboard errors |
| B0h | Check for errors | |
7Ch |
| Set up hardware interrupt |
| B2h | POST done - prepare to | |
|
| vectors |
|
| boot operating system | |
7Eh |
| Initialize coprocessor if |
| B4h | One short beep before boot | |
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| present |
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| |
80h |
| Disable onboard Super I/O |
| B5h | Terminate QuietBoot | |
|
| ports and IRQs |
|
| (optional) | |
81h |
| Late POST device |
| B6h | Check password (optional) | |
|
| initialization |
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82h |
| Detect and install external |
| B9h | Prepare Boot | |
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| RS232 ports |
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83h |
| Configure |
| BAh | Initialize DMI parameters | |
|
| controllers |
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| |
84h |
| Detect and install external |
| BBh | Initialize PnP Option ROMs | |
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| parallel ports |
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| |
85h |
| Initialize |
| BCh | Clear parity checkers | |
|
| PnP ISA devices |
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|
| |
86h. |
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| BDh | Display MultiBoot menu | ||
|
| ports. |
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87h |
| Configure Motherboard |
| BEh | Clear screen (optional) | |
|
| Devices |
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88h |
| Initialize BIOS Data Area |
| BFh | Check virus and backup | |
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|
| reminders |
89h |
| Enable |
| C0h | Try to boot with INT 19 | |
|
| Interrupts (NMIs) |
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8Ah |
| Initialize Extended BIOS |
| C1h | Initialize POST Error | |
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| Data Area |
|
| Manager (PEM) | |
8Bh |
| Test and initialize PS/2 |
| C2h | Initialize error logging | |
|
| mouse |
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8Ch |
| Initialize floppy controller |
| C3h | Initialize error display | |
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|
| function |
8Fh |
| Determine number of ATA |
| C4h | Initialize system error | |
|
| drives (optional) |
|
| handler | |
90h |
| Initialize |
| C5h | PnPnd dual CMOS | |
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| controllers |
|
| (optional) | |
91h |
| Initialize |
| C6h | Initialize notebook docking | |
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| controllers |
|
| (optional) | |
92h |
| Jump to UserPatch2 |
| C7h | Initialize notebook docking | |
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|
| late |
93h | Build MPTABLE for multi- |
| C8h | Force check (optional) | ||
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| processor boards |
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| 67 |
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