Studer D950 Operating Instructions Manual page 621

Warning: 611 I/O buses of 600 on PE 2 of board 1
Date printed: 05.08.03
I/O Bus The I/O bus is a SHARC internal bus used to communicate between the
DMA controller and the internal memory.
Also there assumptions are made which do not always apply. This leads to
the following warning.
Again, this does not mean that the configuration does not work. For further
investigation please send it to the factory.
SW V3.3
D950/Vista Digital Mixing System
ConfigTool 7-55