An HDI-30 to IDE adapter (home made) works to get an external 1.44 mb floppy drive to show up as drive B on IBM P70.
This is a great solution for people like me who want to be able to use their gotek with the IBM P70, but don't want to remove the internal drive.
I posted a small write up about it on my site.
https://stephensdev.com/projects/IBM%20P70/20240404-External%20Floppy%20Adapter.php
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