Uploaded February 2018 | Updated September 2026, 1 week ago
I really need to image and archive a bunch of microcode for my IBM 4331 mainframe, just as I did for the ES/9000. The processor floppies are not a big problem to image, but the 3830 Storage Control Unit - the big box that controls the disks - used a first generation 23FD disk, better known as "Minnow".
I really need to image and archive a bunch of microcode for my IBM 4331 mainframe, just as I did for the ES/9000. The processor floppies are not a big problem to image, but the 3830 Storage Control Unit - the big box that controls the disks - used a first generation 23FD disk, better known as "Minnow".
