By Francesco F on YouTube:

• Cold starting the IBM System z9 Enterprise Class Mainframe for the first time! on 2021-05-10.
• IBM z9 Mainframe - working IOCDS and installing SUSE Linux! on 2022-08-18.
• IBM System z9 Mainframe - SUSE Linux IPL from FCP without FC 9904 - Load from CD first2022-08-27.
• Servicing a million dollar computer - IBM System z10 Mainframe - Replacing a faulty MDA on 2022-11-19.

YouTube - EMMA All Call Sept 18th guest speaker PJ Catalano "Master Inventor" and IBM Mainframe influencer on 2024-09-19, by Cable Rose. An interesting virtual walkthrough of the IBM mainframe testing facility in Poughkeepsie, New York.