Acer 1000 manual Cmos

Beep Code	Post Code	Description		What to Check (Recommended)
2-1-2-4	47h	Initialize manager for PCI	•	Treat as an expansion card problem.
		Options ROMs.	•	Check the serial port(s).
			•	Check the parallel port(s).
			•	Check the main board.
2-1-3-1	48h	Check video	•	Check the video card.
		configuration against	•	Make sure the system memory is
		CMOS.
				working properly.
			•	Check the main board.
2-1-3-2	49h	Initialize PCI bus and	•	Treat as an expansion card problem.
		devices.	•	Check the serial port(s).
			•	Check the parallel port(s).
			•	Check the main board.
2-1-3-3	4Ah	Initialize all video	•	Check the video card.
		adapters in system.	•	Make sure the system memory is
				working properly.
2-1-4-1	4Ch	Shadow video BIOS ROM.	•	Check the expansion cards.
			•	Check the system memory.
			•	Check the main board.
2-1-4-3	4Eh	Display copyright notice.	•	Check the video card.
			•	Check the main board.
2-2-1-1	50h	Display CPU type and	•	Check the video card.
		speed.
2-2-1-3	52h	Test keyboard.	•	Check the keyboard.
			•	Check the keyboard controller.
			•	Check the main board.
2-2-2-1	54h	Set key click if enabled.	•	Check the keyboard.
			•	Check the keyboard controller.
			•	Check the main board.
2-2-2-3	56h	Enable keyboard.	•	Check the keyboard.
			•	Check the keyboard controller.
			•	Check the main board.
2-2-3-1	58h	Test for unexpected	•	Treat as an expansion card problem.
		interrupts.	•	Check the main board.
2-2-3-3	5Ah	Display prompt “Press F2	•	Check the video card.
		to enter SETUP”.	•	Check the main board.
2-2-4-1	5Ch	Test RAM between 512	•	Check the system memory.
		and 640K.	•	Check the main board.
2-3-1-1	60h	Test expanded memory.	•	Check the system memory.
			•	Check the main board.
2-3-1-3	62h	Test extended memory	•	Check the system memory.
		address lines.	•	Check the main board.
2-3-2-1	64h	Jump to UserPatch1.	•	Check the main board.
2-3-2-3	66h	Configure advanced	•	Check the secondary cache.
		cache registers.	•	Check the processor.
			•	Check the main board.

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