164 Chapter 4BDh Display MultiBoot menuBEh Clear screen (optional)BFh Check virus and backup remindersC0h Try to boot with INT 19C1h Initialize POST Error Manager (PEM)C2h Initialize error loggingC3h Initialize error display functionCode Beeps POST Routine DescriptionC4h Initialize system error handlerC5h PnPnd dual CMOS (optional)C6h Initialize notebook docking (optional)C7h Initialize notebook docking lateC8h Force check (optional)C9h Extended checksum (optional)D2h Unknown interruptCode Beeps For Boot Block in Flash ROME0h Initialize the chipsetE1h Initialize the bridgeE2h Initialize the CPUE3h Initialize system timerE4h Initialize system USBE5h Check force recovery bootE6h Checksum BIOS ROME7h Go to BIOSE8h Set Huge SegmentE9h Initialize Multi ProcessorEAh Initialize OEM special codeEBh Initialize PIC and DMAECh Initialize Memory typeEDh Initialize Memory sizeEEh Shadow Boot BlockEFh System memory testF0h Initialize interrupt vectorsF1h Initialize Run Time ClockF2h Initialize videoF3h Initialize System Management ModeF4h 1 Output one beep before bootF5h Boot to Mini DOSF6h Clear Huge SegmentF7h Boot to Full DOSCode Beeps POST Routine Description
