DIMM modules are designated by how the chips are addressed. For example, a 256x64 DIMM means that 256 million 64-bit words of memory are addressed for a total of 2GB. Sometimes, an "M" for "mega" ...
A sealed, removable storage module containing magnetic disks and their associated access arms and read/write heads. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission ...