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"Tomorrow the red lights will stop blinking for the last time on our friend, the CM-5." Those were the words NCSA Associate Director Charlie Catlett used in a February email to NCSA staff inviting them to the center's Advanced Computation Building for a final look at the system before it was shutdown and dismantled.

The power switch on the Thinking Machine Incorporated Connection Machine Model 5 was flipped off by NCSA Director Larry Smarr, who said the CM-5 fused "aesthetic values with technological values. I'm going to be really sad to see it go."

The CM-5, which was placed in service in 1992, ran large scale, massively parallel simulations. All user processes on the CM-5 partitions were killed prior to the shutdown ceremony. The CM-5 partitions, partition managers, and SDA (Scalable Disk Array) are unavailable. Access to the compile server with home directories and scratch file systems continues through February 28, 1997.

For more shutdown information:

transferring unused allocations to PSC (2.3.97)
retirement update (1.21.97)
retirement letter from NCSA Director Larry Smarr (11.27.96)