A DIMM or dual in-line memory module comprises a series of dynamic random-access memory integrated circuits. These modules are mounted on a printed circuit board and designed for use in personal computers, workstations and servers. DIMMs began to replace SIMMs (single in-line memory modules) as the predominant type of memory module as Intel P5-bas... Found on http://en.wikipedia.org/wiki/DIMM
Dual Inline Memory Module. Called Dual because it has separate signals to each side of the circuit board.
Found on http://www.encyclo.co.uk/local/20581