And "in the meantime" I figured something was wrong on the Unibus, so I
pulled all of the cards except CPU, memory, and the 9302 terminator.
Still flunks in any memory references in ODT. Weird.
Then I pulled the memory card so it was just the CPU. Same thing.
Then I figured might as well put t
On Thu, Oct 22, 2020 at 11:30:40AM -0700, brian--- via cctalk wrote:
> Oddball question here: has anyone ever seen a way to cap off or protect
> standard 0.1" pin header jumpers?
I prefer to not leave boards in places where stuff like pin headers can be
damaged. And really, pin headers are the lea
On Fri, Oct 23, 2020 at 11:57 AM Eric Smith wrote:
> On Wed, Oct 21, 2020 at 6:22 AM Pontus Pihlgren via cctalk <
> cctalk@classiccmp.org> wrote:
>
I have seen PDP-15 core memory and it is not that format. It looks like
>>
> the memory modules from a PDP-8/I or -8/L
>>
>
> The ME15 memory for the
On Wed, Oct 21, 2020 at 6:22 AM Pontus Pihlgren via cctalk <
cctalk@classiccmp.org> wrote:
> On Tue, Oct 20, 2020 at 11:26:22PM -0400, Chris Zach via cctalk wrote:
> > > Or maybe a PDP-15? 18 bits plus parity.
> >
> > Possible, did the pdp15 use that type of board?
> >
>
> I have seen PDP-15 core
> (Whether that's all done on the companion driver boards, and the H21x
> card would just bring the wiring of the two banks out to the edge
> connector in parallel, letting the driver board do what it wants, I
> don't know - you'd have to look at the MM11-L engineering drawings/TM.)
