I remember the VT72 had a non-standard backplane in it, but I don't remember the details.
Paul On Fri, Apr 17, 2020 at 8:10 PM Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: > On 4/17/20 8:36 PM, Chris Zach via cctalk wrote: > > Hm. Plessy backplane? > > No name on the phenolic board part but the QBUS sockets are labeled > "Digital Equipment Corporation". > > bill > >