Give the PPC to me! :-D
I'll figure what's going wrong... :crazy:
Serious now: 1D4 was a really f{bleep} revision. Can you you try another WORKING mobo?
If you pull out the PPC the 1200 works? No hd? No Floppy drive (if not, that is the problem: broked/missed drive prevents the Amiga to work)...