What is the max upgrade I can do on an Asus P4S800-MX motherboard?

I know it is really old but I am try to uogeade it to give it to my little brother and the budget do not worry about it
 
[FONT=Arial]Upgrading RAM on your ASUS P4S800-MX Motherboards is easy, we carry compatible RAM Upgrade for ASUS P4S800-MX Motherboards, the ASUS P4S800-MX Motherboards takes the PC2100/2700/3200 DDR SDRAM DIMMs. RAM Type, and comes installed with 0 MB (removable) of RAM. You can upgrade your ASUS P4S800-MX Motherboards to up to a maximum of 2.0 GB RAM, the Motherboards has 2 sockets to install RAM, already with 0 MB (removable) standard RAM installed.[/FONT]
 
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