< What about 386s? Did Intel outrun the mainframes with the 386, or were Eventually, the early 386s were only 16mhz! < there discrete transistor machines with better performance than that? < BTW, what did the Cray I use? A lot 300+ boards of ECL logic. ECL was the fasest of the fast for that time and it's density was relatively low. It was so densely packed that the cooling was embedded refrigeration! Allison