SetPatch runs as the first command in the Startup-Sequence when Amiga boots up. It applies patches to the code in ROM to fix bugs and also enable features if necessary. For example, I seem to remember that the advanced fetch modes for Chip RAM DMA under AGA only get enabled by SetPatch and/or IPrefs.

Is there a list detailing exactly which patches each version of SetPatch applies and under which conditions?

  • 3
    Could be a very long list given the number of OS revisions and number of SetPatch revisions. Perhaps you could narrow the question to one or two specific Kickstart versions.
    – user
    May 1, 2019 at 10:59
  • 3
    When you omit the QUIET option, it will list what it has installed.
    – Holger
    May 3, 2019 at 16:19


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