Code |
|
| Beeps / Description |
6Ah |
| Display external L2 cache size | |
6Bh |
| Load custom defaults (optional) | |
6Ch |
| Display | |
6Eh |
| Display possible high address | |
|
| for UMB recovery | |
70h | Display error messages | ||
72h | Check for configuration errors | ||
76h |
| Check for keyboard errors | |
7Ch | Set up hardware interrupt | ||
|
| vectors | |
7Eh | Initialize coprocessor if present | ||
80h | Disable onboard Super I/O | ||
|
| ports and IRQs | |
81h | Late POST device initialization | ||
82h | Detect and install external | ||
|
| RS232 ports | |
83h | Configure | ||
|
| controllers | |
84h | Detect and install external | ||
|
| parallel ports | |
85h |
| Initialize | |
|
| ISA devices | |
86h. |
| ||
87h | Configure Motherboard Devices | ||
88h |
| Initialize BIOS Data Area | |
|
|
|
|
89h |
| Enable | |
|
| Interrupts (NMIs) | |
8Ah |
| Initialize Extended BIOS Data | |
|
| Area | |
8Bh |
| Test and initialize PS/2 mouse | |
8Ch |
| Initialize floppy controller | |
8Fh |
| Determine number of ATA | |
|
| drives (optional) | |
90h |
| Initialize | |
91h | Initialize | ||
|
| controllers | |
92h | Jump to UserPatch2 | ||
93h |
| Build MPTABLE for multi- | |
|
| processor boards | |
95h |
| Install CD ROM for boot | |
96h |
| Clear huge ES segment | |
|
| register | |
97h | Fixup Multi Processor table | ||
98h |
| . Search for option ROMs. | |
99h |
| Check for SMART Drive | |
|
| (optional) | |
9Ah | Shadow option ROMs | ||
9Ch |
| Set up Power Management | |
9Dh |
| Initialize security engine | |
|
| (optional) | |
9Eh |
| Enable hardware interrupts | |
9Fh |
| Determine number of ATA and | |
|
| SCSI drives | |
A0h |
| Set time of day | |
Code |
|
| Beeps / Description |
Code | Beeps / Description |
A2h | Check key lock |
A4h | Initialize Typematic rate |
A8h | Erase F2 prompt |
AAh | Scan for F2 key stroke |
|
|
ACh | Enter SETUP |
AEh | Clear Boot flag |
B0h | Check for errors |
B2h | POST done - prepare to boot |
| operating system |
B4h | One short beep before boot |
B5h | Terminate QuietBoot (optional) |
|
|
B6h | Check password (optional) |
B9h | Prepare Boot |
|
|
BAh | Initialize DMI parameters |
|
|
BBh | Initialize PnP Option ROMs |
|
|
BCh | Clear parity checkers |
|
|
BDh | Display MultiBoot menu |
BEh | Clear screen (optional) |
BFh | Check virus and backup |
| reminders |
C0h | Try to boot with INT 19 |
|
|
C1h | Initialize POST Error Manager |
| (PEM) |
C2h | Initialize error logging |
C3h | Initialize error display function |
C4h | Initialize system error handler |
|
|
C5h | PnPnd dual CMOS (optional) |
C6h | Initialize notebook docking |
| (optional) |
C7h | Initialize notebook docking late |
C8h | Force check (optional) |
|
|
C9h | Extended checksum (optional) |
D2h | BIOS Boot Block |
|
|
E0h | BIOS Boot Block |
E1h | BIOS Boot Block |
E2h | Initialize the CPU |
|
|
E3h | Initialize system timer |
E4h | Initialize system I/O |
E5h | Check force recovery boot |
|
|
E6h | Checksum BIOS ROM |
E7h | Go to BIOS |
|
|
E8h | Set Huge Segment |
Code | Beeps / Description |
72
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