
Memory Type: SDRAM, PC133, SDRAM (non-ECC)
Maximum Memory: 1GB
Slots: 4
Each memory slot can hold SDRAM, PC133 with a maximum of 256MB per slot.*
*Not to exceed manufacturer supported memory.

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