Lenovo E40, E50 manual Numeric error codes continued, Symptom or error beeps, if any

Table 2. Numeric error codes (continued)

Symptom or error (beeps, if any)	FRU or action, in sequence
02F0	1.	CPU.
CPU ID:xx Failed.	2.	System board.
02F5	1.	DIMM.
DMA test failed.	2.	System board.
(two short beeps)
02F6	1.	DIMM.
Software NMI failed	2.	System board.
(two short beeps)
02F7	1.	DIMM.
Fail-safe timer NMI failed	2.	System board.
(two short beeps)
1802	1.	Remove the Mini PCI network card.
Unauthorized network card is plugged	2.	System board.
in—Turn off and remove the miniPCI
network card.
(two short beeps)
1804	1.	Remove the wireless WAN card.
Unauthorized WAN card is plugged	2.	System board.
in—Power off and remove the WAN card.

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