Originally Posted by A500Man
@yaqube: Sorry, ma english is not too good, I got you wrong. Now I understand: No, when I place only the original Chip and NO other ROM-Chip on the Kickstart-switch the Amiga does not boot. The same for the 27C400.
What do you mean with pullup-resistor? Could I solder an resistor to the 27C400 to help solving the problem?
I had the same issue: http://eab.abime.net/showthread.php?p=525862#post525862
If your motherboard revision is 6 or 8 just populate RP106 and RP107.