BIOS | BIOS Post Codes |
|
|
Post Code | Description |
B0 | Check for errors |
B1 | Inform RomPilot about the end of POST |
B2 | POST done − prepare to boot operating system |
B4 | One short beep |
B5 | Terminate QuietBoot (optional) |
B6 | Check password |
B7 | Initialize ACPI BIOS |
B9 | Prepare boot |
BA | Initialize DMI parameters |
BB | Initialize PnP option ROM’s |
BC | Clear parity checkers |
BD | Display multiboot menu |
BE | Clear screen |
BF | Check virus and backup reminders |
C0 | Try to boot with interrupt 19 |
C1 | Initialize POST Error Manager (PEM) |
C2 | Initialize error logging |
C3 | Initialize error display function |
C4 | Initialize system error handler |
C5 | PnP dual CMOS (optional) |
C6 | Initialize notebook docking (optional) |
C7 | Initialize notebook docking late |
C8 | Motorola check (optional) |
C9 | Extended checksum (optional) |
CA | Redirect Int 15h to enable remote keyboard |
CB | Redirect Int 13 to Memory Technologies Devices such as ROM, RAM, |
| PCMCIA, and serial disk |
CC | Redirect Int 10h to enable remote serial video |
CD | Re−map I/O and memory for PCMCIA |
CE | Initialize digitizer and dispaly messagea |
100 | PENT/ATCA−717 |