HP 200 Service Manual page 72

To reinstall the SIMM, perform the following procedure:
1 Hold the memory module by its edges
with the non metallic edge toward you
and the notch to your left.
Notch
6 8 Removal and Replacement
2 Tilt the non metallic edge downwards
and firmly push the module into the slot.
Gradually tilt the module upwards and
push it in until it clicks into place.
C3187 90000