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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