"That's weird. I wonder why it didn't work. Did you set clock jumpers to INT?"
that simple.... because there are 2 versions of A4000CR.
The one i tryed was without the 030 CPU soldered (very rare) and hence withouth the 50Mhz cristal.
Other than that, even if i understand that it was the last A4000 mobo produced, i don't find it a great deal (other small issue on Zorro autoconfig as well)
Anyway is a matter of choise/taste. I would never swap a revB with a CR one :-)