Lenovo THINKPAD W701DS Hardware Maintenance Manual page 104

Table 13. Removal steps of DIMM slot cover and DIMM (continued)
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ThinkPad W700, W700ds, W701, and W701ds Hardware Maintenance Manual
Note: 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-1 ( b ).
When installing: Insert the notched end of the DIMM into the socket. Press the
DIMM firmly, and pivot it until it snaps into the place. Make sure that it is
firmly fixed in the slot and does not move easily.
b
a