Lenovo A540 All In One - Manual (Page 48)

Step 12. Reattach the base cover and secure it with the screws.
A540 FRU lists
This chapter lists the information on the field replaceable units (FRUs) for A540 All-In-One computers.
Attention: Be sure to read and understand all the safety information before replacing any FRUs.
Notes: FRUs that have a 1 or 2 in the CRU column are Customer Replaceable Units (CRUs).
• 1– identifies parts that are fairly simple to replace, requiring few or no tools.
• 2– identifies parts that are slightly more difficult to replace.
• N-identifies parts that are not to be replaced by the customer.
FRUs FRU Description Service Part
Number (FRU #) CRU ID
C A540 NOK I3-4158 UMA W/O TV 5B20F62993 N
C A540 NOK I5-4258 UMA W/O TV 5B20F62984 N
C A540 NOK I7-4558 UMA W/O TV 5B20F62973 N
C A540 NOK I3-4158 UMA W/TV 5B20F62977 N
C A540 NOK I5-4258 UMA W/TV 5B20F62964 N
C A540 NOK I7-4558 UMA W/TV 5B20F62990 N
C A540 NOK I3-4158 DIS W/O TV 5B20F62981 N
C A540 NOK I5-4258 DIS W/O TV 5B20F62970 N
C A540 NOK I7-4558 DIS W/O TV 5B20F62997 N
C A540 NOK I3-4158 DIS W/TV 5B20F62986 N
C A540 NOK I5-4258 DIS W/TV 5B20F62975 N
C A540 NOK I7-4558 DIS W/TV 5B20F62971 N
C A540 W8S I3-4158 UMA W/O TV 5B20F62998 N
C A540 W8S I5-4258 UMA W/O TV 5B20F62987 N
C A540 W8S I7-4558 UMA W/O TV 5B20F62978 N
C A540 W8S I3-4158 UMA W/TV 5B20F62965 N
C A540 W8S I5-4258 UMA W/TV 5B20F62992 N
C A540 W8S I7-4558 UMA W/TV 5B20F62983 N
C A540 W8S I3-4158 DIS W/O TV 5B20F62972 N
C A540 W8S I5-4258 DIS W/O TV 5B20F62999 N
C A540 W8S I7-4558 DIS W/O TV 5B20F62988 N
C A540 W8S I3-4158 DIS W/TV 5B20F62979 N
C A540 W8S I5-4258 DIS W/TV 5B20F62966 N
C A540 W8S I7-4558 DIS W/TV 5B20F62967 N
C A540 W8P I3-4158 UMA W/O TV 5B20F62994 N
C A540 W8P I5-4258 UMA W/O TV 5B20F62985 N
C A540 W8P I7-4558 UMA W/O TV 5B20F62974 N
Mainboard Mainboard
42 Lenovo A540/A740Hardware Maintenance Manual