Lenovo 4284WW9PC10B371 Laptop User Manual


 
Table 19. Removal steps of DIMM (upper slot)
1
1
2
Note: For ThinkPad W520, if only one DIMM is used on the computer you are servicing, the card must be installed in
SLOT-0
a , but not in SLOT-2 b .
a
b
When installing: Insert the notched end of the DIMM into the socket. Press the DIMM rmly, and pivot it until it
snaps into the place. Make sure that it is rmly xed in the slot and does not move easily.
1080 PCI Express Mini Card for wireless LAN
For access, remove these FRUs in order:
“1010 Battery pack” on page 60
“1030 DIMM slot cover” on page 62
“1060 Keyboard” on page 67
Chapter 9. Removing and replacing a FRU 71