Memory Type: DDR PC2700, DDR PC3200, DDR (non-ECC)
Maximum Memory: 3GB
This motherboard supports a maximum of 3GB of memory when using PC2100 or slower memory. When using PC2700 or faster the motherboard only supports two modules at that speed for a maximum of 2GB. If 3 PC2700 parts are installed, they operate at 266 MHz.
How much memory your Windows OS will recognize depends on which version of Windows you are running. 32-bit versions of Windows will see (and utilize) only 3GB or 3.5GB. To utilize more memory, install a 64-bit version of your OS. More information about OS memory maximums can be found here.
Memory or DRAM is the "working" memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.
video - installing memory