The 72-pin SODIMM is the smallest pin count. Used in laptops.
SDRAM has 168 pins and two notches on the module.
DIMM
72
The EDO RAM desktop memory modules have 72 pins and operate at 5V as standard
DDR1 RAM typically has 184 pins and a notch located closer to the center. DDR2 RAM has 240 pins and a notch positioned more towards one side. You can also look at the labeling on the RAM module itself to identify whether it is DDR1 or DDR2.
Legacy FPM-RAM has 30 pins
clean your ram slot and ram pins
A 1999 Ram does not have a transfer case control module.
There are several different formats of RAM, including different types for PCs and laptops. Laptops typically require SO-DIMM RAM, while PCs typically require some form of DIMM RAM. SO-DIMMs have a varying number of pins from 100 to 256, the number of pins relates and notch spacing relates to the memory capability. DIMMs vary in pin numbers from 72 to 284.
ddr1 184 pins ddr2 240 pins ddr3 240 pins there are 240 pins one side 120 pins and other side 120 pins so 120+120 = 240 pins in ddr2 ram. as well as ddr3 has 240 pins and ddr1 has 184 pins only . by Prem verma from www.prem-verma.blogspot.com
the micro dimm is extremely small ram from factor.it was 50 percent smaller than a sodimm.only 45.5millimeters.this ram have 144 pins or 172 pins .this ram was used laptop computer.
BEDO RAM has 72 pins