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HP Vectra VL400 User Manual

Page 55

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55

4 BIOS Overview

Order in Which the POST Tests are Performed

B6h

Check password (optional)

B8h

Clear global descriptor table

B9h

Clean up all graphics

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 handling

The following are for boot block in Flash ROM

E0h

Initialize the chipset

E1h

Initialize the bridge

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

E9h

Initialize Multi Processor

Checkpoint

Code

POST Routine Description