HP Kayak XU 04xx HP Kayak XU PC Workstation Technical Reference Manual Hardwar - Page 75
Initialize POST Error Manager PEM, Initialize PnP Option ROMs
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5 Power-On Self-Test and Error Messages Order in Which the Tests are Performed Checkpoint Code POST Routine Description 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 IN POST flag B0h Check for errors B2h POST done - prepare to boot operating system B5H Terminate QuietBoot 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 67