Acer 4520 manual Bios ROM, Dimm, Cmos, Cpu Id

Error Message List

Error Message	FRU/Action in Sequence
Failure Fixed Disk	Reconnect the hard disk drive to its connector.
	Run the Setup Utility, then press F9 to load the system
	defaults.
	Hard disk drive
	System board
Stuck Key	Refer to the “Keyboard or Auxiliary Input Device Check”
	section on page 66.
Keyboard Error	Refer to the “Keyboard or Auxiliary Input Device Check”
	section on page 66.
Keyboard Controller Failed	Refer to the “Keyboard or Auxiliary Input Device Check”
	section on page 66.
Keyboard locked - Unlock key switch	Unlock external keyboard
Monitor type does not match CMOS - Run	Run the Setup Utility, then press F9 to load the system
Setup	defaults.
Shadow RAM Failed at offset: nnnn	BIOS ROM
	System board
System RAM Failed at offset: nnnn	DIMM
	System board
Extended RAM Failed at offset: nnnn	DIMM
	System board
System battery is dead - Replace and run	Replace the RTC battery, then access the Setup Utility to
Setup	reconfigure the system time setttings.
System CMOS checksum bad - Default	RTC battery
configuration used	Run the Setup Utility to reconfigure the system time settings.
System timer error	RTC battery
	Run the Setup Utility to reconfigure the system time settings.
	System board
Real time clock error	RTC battery
	Run the Setup Utility to reconfigure the system time settings.
	System board
Previous boot incomplete - Default	Run the Setup Utility, then press F9 to load the system
configuration used	defaults.
	RTC battery
	System board
Memory size found by POST differed from	Run the Setup Utility, then press F9 to load the system
CMOS	defaults.
	DIMM
	System board
Diskette drive A error	Check if the drive matches the diskette type set in the Setup
	Utility.
	Refer to the “External Diskette Drive Check” section on
	page 66.
Incorrect Drive A type - run SETUP	Check if the drive matches the diskette type set in the Setup
	Utility.
System cache error - Cache disabled	System board
CPU ID:	System board

70 Chapter 4