The Sperry side of the Unisys house doesn’t normally announce six-processor configurations of new 1100s on Day One, nor does it usually announce models on 15-month lead times, so why the break in tradition with the 2200-400? The explanation is that the 1100/80 is now a decade old, and some users running out of power are getting jumpy: the 2200-400 would have been here much sooner had not Trilogy Ltd failed to develop the critical chips as planned, so the message to users is that the machine they want really is on the way; Unisys will also announce a 2200 – probably the 2200-600 – to succeed the top-end 1100/90 before the end of 1988.
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