184 Pin RIMM
The 184 pin RIMM is used on motherboards using the latest Intel i820/i840 chipsets and is referred to as Rambus. The 184 pin RIMM module comes in both 16bit and 18bit ECC configurations, operating frequencies of 600MHz, 700MHz and 800 MHz and are available with memory ranges of 64 through 512 megabytes. The Rambus packaging is referred to as the Ball Grid Array (BGA) form factor. The Rambus modules only require 2.5 volts. There is a 1 GHz Rambus chip under development that was slated for release in 2001.