Dell R720XD owner manual Error Code,

Error Code	Message Information
	LCD Message	Memory mirror lost on <location>. Power cycle system.
	Details	The memory may not be seated correctly, misconfigured, or has
		failed.
	Action	Check the memory configuration. Re-seat the memory modules. If the
		issue persists, see Getting Help.
MEM1208	Message	Memory spare redundancy is lost. Check memory device at location
		<location>.
	LCD Message	Memory spare lost on <location>. Power cycle system.
	Details	Memory sparing is no longer available.
	Action	Re-seat the memory modules. If the issue persists, see Getting Help.
MEM8000	Message	Correctable memory error logging disabled for a memory device at
		location <location>.
	LCD Message	SBE log disabled on <location>. Re-seat memory.
	Details	Errors are being corrected but no longer logged.
	Action	Review system logs for memory exceptions. Reinstall memory at
		location <location>.
PCI1302	Message	A bus time-out was detected on a component at bus <bus>
		device<device> function <func>.
	Details	System performance may be degraded. The device has failed to
		respond to a transaction.
	Action	Cycle input power, update component drivers, if device is removable,
		reinstall the device.
PCI1304	Message	An I/O channel check error was detected.
	LCD Message	I/O channel check error detected. Power cycle system.
	Action	Cycle input power, update component drivers, if device is removable,
		reinstall the device.
PCI1308	Message	A PCI parity error was detected on a component at bus
		<bus>device<device>function <func>.
	LCD Message	PCI parity error on bus <bus> device <device> function <func>.
		Power cycle system.
	Details	System performance may be degraded, PCI device may fail to
		operate, or system may fail to operate.

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