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Memory or RAM slots contain the actual memory chips.
Memory slots are easy to identify on a motherboard. They are usually white; around 3 inch long, and placed very close to each other. The number of memory slots varies from motherboard to motherboard, but the appearance of the slots is very similar. There are metal pins in the bottom to make contact with the soldered tabs on each memory module. There are also small metal or plastic tabs on each side of the slot which we use to keep the memory module intact in its slot.
The most common types of memory slots are SIMM sockets or DIMM sockets. The first type is for the older 72-pin SIMM-type memory. This type of memory needs to be installed in identical pairs, no mix & match. The two slots, that a pair of SIMMs go into is called a Bank.
