Acer ASPIRE 553G Service Manual page 174

Code
BDh
BEh
BFh
C0h
C1h
C2h
C3h
Code
C4h
C5h
C6h
C7h
C8h
C9h
D2h
Code
E0h
E1h
E2h
E3h
E4h
E5h
E6h
E7h
E8h
E9h
EAh
EBh
ECh
EDh
EEh
EFh
F0h
F1h
F2h
F3h
F4h 1
F5h
F6h
F7h
164
Beeps
Display MultiBoot menu
Clear screen (optional)
Check virus and backup reminders
Try to boot with INT 19
Initialize POST Error Manager (PEM)
Initialize error logging
Initialize error display function
Beeps
Initialize system error handler
PnPnd dual CMOS (optional)
Initialize notebook docking (optional)
Initialize notebook docking late
Force check (optional)
Extended checksum (optional)
Unknown interrupt
Beeps
Initialize the chipset
Initialize the bridge
Initialize the CPU
Initialize system timer
Initialize system USB
Check force recovery boot
Checksum BIOS ROM
Go to BIOS
Set Huge Segment
Initialize Multi Processor
Initialize OEM special code
Initialize PIC and DMA
Initialize Memory type
Initialize Memory size
Shadow Boot Block
System memory test
Initialize interrupt vectors
Initialize Run Time Clock
Initialize video
Initialize System Management Mode
Output one beep before boot
Boot to Mini DOS
Clear Huge Segment
Boot to Full DOS
POST Routine Description
POST Routine Description
For Boot Block in Flash ROM
Chapter 4