HP 3500 - Manual (Page 234)

6. Holding the DIMM by the edges, align the notches on the DIMM with the bars in the
DIMM slot.
7. Firmly press the DIMM straight into the slot. Close the locks on each side of the DIMM
until they snap into place.
Note If you have difficulty inserting the DIMM or closing the latches, make sure the notches on the
bottom of the DIMM are aligned with the bars in the slot. If the DIMM still does not go in,
make sure you are using the correct type of DIMM.
222 Appendix E Working with memory and print server cards ENWW