Chapter 4
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C7h
Initialize notebook docking late
C8h
Force check (optional)
C9h
Extended checksum (optional)
CAh
Redirect Int 15h to enable remote keyboard
CBh
Redirect Int 13h to Memory Technologies
Devices such as ROM, RAM, PCMCIA, and
serial disk.
CCh
Redirect Int 10h to enable remote serial video
CDh
Re-map I/O and memory for PCMCIA
CEh
Initialize digitizer and display message.
D2h
Unknown interrupt
The following are for boot block in Flash ROM
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
F5h
Clear Huge Segment
F6h
Boot to Mini DOS
F7h
Boot to Full DOS
Code
Beeps
POST Routine Description