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