Non-removable base memory 16MB

The motherbopard has 16MB buit in. Where you are looking should be empty slots. It will take 2 SODIMMS to add up to another 128MB or 2-64MB SODIMM'S

SODIMMS are small and have 144 pins. They slide in horizontally, there should be two sockets one on each end for the memory to fit in, they lay flat once installed.