And, next year, anticipation of the new mainframe may lead more customers to switch to leasing.

But Mr. Glorioso said it would provide far more than that in the company's planned new mainframe.

Fujitsu plans to announce its new mainframe next Tuesday, a spokesman said.

"Both the AS/400 and new mainframes will contribute significantly during the second half."

Amdahl unveiled 10 new mainframes even though the computers will not be ready to ship for more than a year.

The company excluded its newest mainframes and said the 3090 mainframe, which runs on its older technology, faced an increase.

By now I was beginning to guess that London Central would be grateful for even twenty-four hours of access to the new mainframe.

I.B.M. said the new mainframes were 20 to 50 percent more powerful than existing machines.

Hence the market for new mainframe systems like Itanium.

Control Data announced a new high-end mainframe, which it said has twice the power of its current top model.