POST Code | Description |
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 |
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 |
B1h | Inform RomPilot about the end of POST. |
B2h | POST done - prepare to boot operating system |
B4h | 1 One short beep before boot |
B5h | Terminate QuietBoot (optional) |
B6h | Check password (optional) |
B7h | Initialize ACPI BIOS |
B9h | Prepare Boot |
BAh | Initialize SMBIOS |
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 note dock (optional) |
C7h | Initialize note dock late |
C8h | Force check (optional) |
C9h | Extended checksum (optional) |
CAh | Redirect Int 15h to enable remote keyboard |
CBh | Redirect Int 13h to Memory Technologies |
| Devices such as ROM, RAM, PCMCIA, and |
| serial disk |
CCh | Redirect Int 10h to enable remote serial video |
|