crucial 2gb 256mx64pc2-5300 ct25664ac667 ddr2 200-pin sodimm laptop memory
a small outline dual inline memory module sodimm consists of a number of memory components usually black that are attached to a printed circuit board usually green . sodimms get their name because they are smaller and thinner than regular dimms . the gold pins on the bottom of the sodimm provide a connection between the module and a socket on a larger printed circuit board . the pins on the front and back of a sodimm are not connected . 200-pin sodimms are used to provide ddr and ddr2 sdram memory for notebook computers . 200-pin sodimms are available in pc2700 ddr sdram pc3200 ddr sdram ddr2 pc2-6400 sdram ddr2 pc2-5300 sdram ddr2 pc2-4200 sdram and ddr2 pc2-3200 sdram . to use ddr or ddr2 memory your system motherboard must have 200-pin sodimm slots and a ddr - or ddr2-enabled chipset . a ddr or ddr2 sodimm will not fit into a standard sdram sodimm socket . information about which memory technology your system uses is included in the crucial memory advisor tool . the number of black components on a 200-pin sodimm can vary but it always has 100 pins on the front and 100 pins on the back for a total of 200 . 200-pin sodimms are approximately 2.625 inches long and 1.25 inches high though the heights can vary . like 144-pin sodimms 200-pin sodimms have one small notch within the row of pins however the notch on the 200-pin sodimms is closer to the left side of the module .