Question about UNIBUS terminators, M9300

2016-05-25 Thread william degnan
I have an M9300 bus terminator which I read is the same as a M930 with the NPR logic (so you don't also need an NPR terminator in slot 3/4). I don't want to blow anything up, but I am thinking I can replace the M930 and G7273 in the last slot of my backplane with a W2-open M9300. I have discovere

Re: Question about UNIBUS terminators, M9300

2016-05-26 Thread Noel Chiappa
> From: Bill Degnan > I have an M9300 bus terminator which I read is the same as a M930 with > the NPR logic (so you don't also need an NPR terminator in slot 3/4). Err, the M9300 would go in the same place as a M930, i.e. the UNIBUS in/out dual connector group, usually at the top (A/

Re: Question about UNIBUS terminators, M9300

2016-05-26 Thread william degnan
> > > There are jumpers on this card. W1, W2, W. I did not find any > specific > > examples online of scenarios for the jumpers > > ... > > I think I get why one would remove the W2 jumper but if W1 is removed > > (open) instead can someone give me an example scenario for when y

Re: Question about UNIBUS terminators, M9300

2016-05-26 Thread Noel Chiappa
> From: William Degnan > Here is the layout starting from slot 9/11 of the expansion cabinet Just slot numbers by themselves aren't much use, because if there are any non-UNIBUS backplanes (e.g. custom backplanes for core memory, for an RH11 - which has its own custom backplane, you can't

Re: Question about UNIBUS terminators, M9300

2016-05-26 Thread william degnan
On Thu, May 26, 2016 at 9:38 AM, Noel Chiappa wrote: > > From: William Degnan > > > Here is the layout starting from slot 9/11 of the expansion cabinet > > Just slot numbers by themselves aren't much use, because if there are any > non-UNIBUS backplanes (e.g. custom backplanes for core me