Replacing floppy with a PC one.

[Stedy]

Hello,

I have been experimenting with replacing an Amiga floppy drive with a PC one and I have found a few anomalies I would like some help with.

I was given the following two diagrams/pages to work from
Page 1 instructions and Page 2 interface circuit.

This will work if I boot from the floppy drive, but when I boot from the hard drive I get DF0:NDOS on the workbench.

Looking at the Amiga's floppy wiring, do I need to switch Pins 10 (SEL0) and 12 (SEL1) with pins 14 and 12 respectively of the PC floppy drive?

Am I missing something simple here?

[Stedy]

Ok,

Erm, any other suggestions?

I took a new PC floppy drive and plugged it straight into my knackered Amitek external drive casing + interface, worked perfectly first time. This external drive has a 22V10 PAL that allows a PC HD floppy to work with the Amiga. I want to 'engineer' it's functionality, for an internal drive for a repair guide I am working on.

Back to the workshop.......