On Mon, 8 Feb 2016, Mattis Lind wrote:
  layers of  of a multilayer PCB. As mentioned earlier
in this thread I did
 such a conversion on a MSV11-D board more than 25 years ago and then I had
 to lift up this pin and connect it via an extra wire. 
What about the DRAM refresh? 4116 have a 7 bit refresh address, whereas
the 4164 need 8 bit addresses.
Christian