Acer 1000 manual C0H, D0H

Beep Code	Post Code	Description		What to Check (Recommended)
4-1-1-1	C0H	Try to boot with INT 19.	•	Check the HDD.
			•	Check the floppy disk drive(s).
			•	Check the main board.
4-2-1-1	D0H	Interrupt handler error.	•	Treat as an expansion card problem.
			•	Check the main board.
4-2-1-3	D2h	Unknown interrupt.	•	Treat as an expansion card problem.
			•	Check the main board.
4-2-2-1	D4h	Pending interrupt error.	•	Treat as an expansion card problem.
			•	Check the main board.
4-2-2-3	D6h	Initialize option ROM	•	Check the main board.
		error.
4-2-3-1	D8h	Shutdown error.	•	Check the main board.
4-2-3-3	DAh	Extended Block Move.	•	Check the main board.
4-2-4-1	DCh	Shutdown error.	•	Check the main board.
4-2-4-3	DEh	Keyboard controller	•	Check the keyboard.
		failure.	•	Check the keyboard controller.
			•	Check the main board.
4-3-1-3	E2h	Initialize the chipset.	•	Check the main board.
4-3-1-4	E3h	Initialized refresh	•	Check the main board.
		counter.
4-3-2-1	E4h	Check for Forced Flash.	•	Check the main board.
4-3-2-2	E5h	Check HW status of ROM.	•	Check the main board.
4-3-2-3	E6h	BIOS ROM is OK.	•	Check the main board.
4-3-2-4	E7h	Do a complete RAM test.	•	Check the system memory.
			•	Check the main board.
4-3-3-1	E8h	Do OEM initialization.	•	Check the main board.
4-3-3-2	E9h	Initialize interrupt	•	Treat as an expansion card problem.
		controller.	•	Check the main board.
4-3-3-3	EAh	Read in bootstrap code.	•	Check the HDD.
			•	Check the floppy disk drive.
			•	Check the main board.
4-3-3-4	EBh	Initialize all vectors.	•	Treat as an expansion card problem.
			•	Check the main board.
4-3-4-1	ECh	Boot the Flash program.	•	Check the main board.
4-3-4-2	EDh	Initialize the boot device.	•	Check the HDD.
			•	Check the floppy disk drive(s).
			•	Check the main board.
4-3-4-3	EEh	Boot code was read OK.	•	Check the HDD.
			•	Check the floppy disk drive(s).
			•	Check the main board.

92 Chapter 4