Acer Altos R520 manual Description Color State

					23
Item	Description	Color	State	Description
	System	Amber	On	Critical or non-recoverable
	status			condition
	indicator			• DIMM failure when there is one
	(cont.)				DIMM present
				• Run-time memory
					uncorrectable error in
					non-redundant mode
				•	IERR signal asserted
				•	Processor 1 missing
				•	Critical temperature
				•	Power fault
				•	CPU configuration error
			Blink	Non-critical condition
				•	Critical voltage threshold
					crossed
				•	VRD hot asserted
				• Fans failed or not present
				• Correctable error threshold in
					non-sparing and non-mirroring
					mode crossed
		Off		AC power off
D	DIMM error		On	System BIOS disables a DIMM after
	indicators			it reaches a specified number of
				given failures or critical DIMM
				failures are detected
E, F	CPU error		On	•	CPU is disabled
	indicator			• CPU configuration error is
					detected
G	5-volt		On	• AC power is applied to the
	standby				system
	present			• 5 V standby voltage is supplied
	indicator				to the system by the power

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