Compaq Presario 1201S can be upgraded to a maximum memory of
320 MB , this system has 2 sockets to install
Memory and comes already installed with 128 MB = 64 MB (removable) + 64 MB (non-removable) of standard Memory. Compaq Presario 1201S takes PC100 SDRAM SODIMMs . You may choose the following Memory Upgrades.