Lenovo ThinkPad R61 Service And Troubleshooting Manual page 50

Replacing memory
7. With the notched end of the SO-DIMM toward the contact edge side of
8. Reinstall the palm rest.
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ThinkPad R61 and R61e Service and Troubleshooting Guide
the socket, firmly insert the SO-DIMM into the socket at an angle of
about 20 degrees 1 ; then pivot it downward until it snaps into place
2 .
a. If your model has a touch pad or a fingerprint reader, attach the
connector of the palm rest cable.
2
1
1
2