Acer 420 manual Code Beeps For Boot Block in Flash ROM

	Code		Beeps	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 before boot
F5h				Boot to Mini DOS
F6h				Clear Huge Segment
F7h				Boot to Full DOS

94 Chapter 4