 Over time, the hard disk business pioneered in SPIN became a major product line.In the same month it won its lawsuit against IBM, CDC announced its new computer, the CDC 7600 (previously referred to as the 6800 within CDC).This machine's hardware clock speed was almost four times that of the 6600 (36 MHz vs. 10 MHz), with a 27.5 ns clock cycle, and it offered considerably more than four times the total throughput, with much of the speed increase coming from extensive use of pipelining.