In order to expand beyond 64MB, you must remove the 32MB Module.
CPU Type
300MHz Intel Pentium II
Model Comments
66MHz FSB
Compaq Presario 1810 can be upgraded to a maximum memory of
96 MB , this system has 1 socket to install
Memory and comes already installed with 32 MB (non-removable) + 32 MB (removable) of standard Memory. Compaq Presario 1810 takes In order to expand beyond 64MB, you must remove the 32MB Module. . You may choose the following Memory Upgrades.