Acer KB.I140A.074 Technical Information download pdf (Page 76)

70 Chapter 4

C5h PnPnd dual CMOS (optional)

C6h Initialize notebook docking (optional)

C7h Initialize notebook docking late

C8h Force check (optional)

C9h Extended checksum (optional)

D2h Unknown interrupt

E0h Initialize the chipset

E1h Initialize the bridge

E2h Initialize the CPU

E3h Initialize the 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

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 System Management Mode

F4h 1 Output one beep before boot

F5h Boot to Mini DOS

F6h Clear Huge Segment

F7h Boot to Full DOS

Code Beeps POST Routine Description

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 99 100

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Acer KB.I140A.074 Technical Information Page 76