If I use System Picker with a bunch of partitions, that boot loop can happen, but eventually it boots. It doesn't take very long, but a it longer than I'd expect. Maybe try zapping your PRAM?

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Yeah, I've noticed that with an earlier installation, but this time it wouldn't boot even after a few loops.

However, I've figured something out. :beige:

After a hundred re-installations from scratch (well, this might be slightly exaggerated, maybe it was just 97 or so) with Silvierlining, Lido and whatnot, I came to a solution. Two factors affected this:

1. it seems that you need Silverlining as a driver for non-stock drives if you intend to use A/UX. Lido could format/partition the disk, but A/UX couldn't "see" the HFS Volume to install its 7.1 boot environment.

2. For some reason, SystemPicker works on a multi-partition installation if you have an IIfx ROM (I had this configuration before). It does not work with the stock ROM. So to benefit from multi boot, just put all system folders on the same partition rather than individual ones.

Works like a charm now :approve: