Acer 1000 manual Beep Code Post Code Description What to Check Recommended

Beep Code	Post Code	Description		What to Check (Recommended)
2-3-3-1	68h	Enable external and CPU	•	Check the secondary cache.
		caches.	•	Check the processor.
			•	Check the main board.
2-3-3-2	69h	Initialize SMI handler.	•	Check the main board.
2-3-3-3	6Ah	Display external cache	•	Check the video card.
		size.	•	Check the main board.
2-3-4-1	6Ch	Display shadow message.	•	Check the video card.
			•	Check the main board.
2-3-4-3	6Eh	Display non-disposable	•	Check the video card.
		segments.	•	Check the main board.
2-4-1-1	70h	Display error messages.	•	Check the video card.
			•	Check the main board.
2-4-1-3	72h	Check for configuration	•	Check the main board.
		errors.
2-4-2-1	74h	Test real-time clock.	•	Check the main board.
2-4-2-3	76h	Check for keyboard	•	Check the keyboard.
		errors.	•	Check the keyboard controller.
			•	Check the main board.
2-4-4-1	7Ch	Set up hardware	•	Treat as an expansion card problem.
		interrupts vectors.	•	Check the main board.
2-4-4-3	7Eh	Test coprocessor if	•	Check the processor.
		present.	•	Check the main board.
3-1-1-1	80h	Disable onboard I/O	•	Treat as an expansion card problem.
		ports.	•	Check the serial port(s).
			•	Check the parallel port(s).
			•	Check the main board.
3-1-1-3	82h	Detect and install	•	Treat as an expansion card problem.
		external RS232 ports.	•	Check the serial port(s).
			•	Check the parallel port(s).
			•	Check the main board.
3-1-2-1	84h	Detect and install	•	Treat as an expansion card problem.
		external parallel ports.	•	Check the serial port(s).
			•	Check the parallel port(s).
			•	Check the main board.
3-1-2-3	86h	Reinitialize onboard I/O	•	Treat as an expansion card problem.
		ports.	•	Check the serial port(s).
			•	Check the parallel port(s).
			•	Check the main board.
3-1-3-1	88h	Initialize BIOS data area.	•	Check the main board.
3-1-3-3	8Ah	Initialize extended BIOS	•	Check the main board.
		data area.
3-1-4-1	8Ch	Initialize floppy	•	Check the HDD.
		controller.	•	Check the floppy disk drive(s).
			•	Check the main board.

90 Chapter 4