Den tors 23 maj 2019 kl 14:14 skrev Noel Chiappa via cctalk < cctalk@classiccmp.org>:
> > From: Jon Elson > > > Yes, this is most likely a bus timeout > > The good news is that it looks like his CPU is 'mostly' working; and if > the NXM is due to a fault on the CPU (e.g. bad bus transceiver sending > the wrong address), that would be fixable (it uses 8641's). > > If the fault is in the DLV11-E (and not just misconfiguration), depending > on > where the fault is, he might be out of luck with that card; it uses DC005's > for transceivers, which of course are unobtainium now. Not really unobtainium: https://www.ebay.com/itm/281679682476 and https://www.ebay.com/itm/253305313497 These DC0xx chips can sometimes be found on Ebay under their Signetics name. DC003 C2293N DC004 C2301N DC005 C2324N DC006 C2345N DC010 C2344N > Still, QBUS serial > interfaces are not rare. > > And overall, progress is being made! :-) > > Noel > /Mattis
