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I remember the 8” floppy from the IBM 3174 controller in my IBM mainframe days. I remember having to eject the floppy, power off, back on and re-insert to recover when they locked up - they contained the microcode, and we used to get new versions with updates on from IBM - those were the days!
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Current: 2018 BMW G11 740d MSport XDrive
Past: 2015 Audi 3.0tdi A8L, 2012 Audi 3.0tdi A8L, 2009 Audi 3.0tdi A8, 2005 Jaguar 4.2V8 XJL, 2000 Jaguar 4.0V8 XJL + many others
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