IBM 310ED - Manual (Page 62)

DIMM and DIMM Door
Turn the computer upside down.
Note: The screw does not separate from the DIMM cover.
Note: When installing the DIMM, do the following:
1. Find the notch on the side of the DIMM.
2. With the notched end of the DIMM toward the right
side of the socket, insert the DIMM, at an angle of
approximately 20° , into the socket; then press it
firmly.
3. Pivot the DIMM until it snaps into place.
Step Size
(Quantity) Head and
Color Memo
1 M2 x 5L (1) Bind head,
black
38 IBM Mobile Systems ThinkPad 310 (D/E/ED) HMM