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HP Vectra VL400 User Manual

Page 56

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56

4 BIOS Overview

Order in Which the POST Tests are Performed

EAh

Initialize OEM special code

EBh

Initialize PIC and DMA

ECh

Initialize Memory type

EDh

Initialize Memory size

EEh

Shadow Boot Block

EFh

System memory test

F0h

Initialize interrupt vectors

F1h

Initialize Run Time Clock

F2h

Initialize video

F3h

Initialize beeper

F4h

Initialize boot

F5h

Clear Huge segment

F6h

Boot to Mini DOS

F7h

Boot to Full DOS

Checkpoint

Code

POST Routine Description