Unisys.
Unisys always had a smaller mainframe share than IBM, and they stopped making new chips sometime in the 2000s.
For at least ten years the fastest Unisys mainframes have been very big (proprietary) x86 machines running Windows with a Unisys mainframe emulator.
I worked for Unisys in 2002 or so and I always thought it was funny to see a mainframe able to run Pinball...
For some time I defined a "serious computer" as something that didn't have ports for keyboard and monitor.
Having said that, the pre-x86 A series were pretty cool. And ran the most user hostile OS ever created, to the point its very name was used for Tron's villain.
Going from IBM to SAP seems like no less lock in?
But only on the software side. Dozens of companies will compete to sell you hardware solutions to run your SAP stuff on.
Re:IBM introduces z15 mainframe
by blaser-waffle on Monday September 16, 2019 @11:01AM
(#20984745)
SuSE Linux on Lenovo, Dell, HP, whatever
There is no information anywhere saying that they moved their critical banking systems and transaction processing.