Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread E. Groenenberg via cctalk
It is the MK11 MOS Memory box backplane, not the cpu backplane which is bigger (and has lots of twisted pair wiring). Ed -- Ik email, dus ik besta. BTC : 1Lk6141nvDKPxtCa5erfFyovsoJN2LKqNJ On Thu, March 23, 2017 21:19, Noel Chiappa via cctalk wrote: > This: > >

Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread jws-gmail via cctalk
On 3/23/2017 3:51 PM, Ethan Dicks via cctalk wrote: Oh, is_that_ what the red chicken-scratches on the label say? One needs to be an old hen or a rooster to read such, or have chicken sunglasses.

Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread Ethan Dicks via cctalk
On Thu, Mar 23, 2017 at 6:26 PM, Noel Chiappa via cctalk wrote: > It's actually an MJ11 (-11/70 core memory) backplane (I checked the part > number - plus someone pointed out that you can see "MJ11" written somewhere). Oh, is _that_ what the red chicken-scratches on the

Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread Noel Chiappa via cctalk
> From: Pontus Pihlgren > The 11/70 backplane is wirewrapped. Oh, right you are! I don't know where my brain has fled to these days! It's actually an MJ11 (-11/70 core memory) backplane (I checked the part number - plus someone pointed out that you can see "MJ11" written somewhere).

Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread Ethan Dicks via cctalk
On Thu, Mar 23, 2017 at 5:15 PM, Guy Sotomayor Jr via cctalk wrote: > 11/70 memory box backplane? Seems about the right size and the > molex connectors on the edge seem to be in the right places. I’m > however, not sure about the mounting brackets on each end. ISTR the

Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread Guy Sotomayor Jr via cctalk
> On Mar 23, 2017, at 2:07 PM, Henk Gooijen via cctalk > wrote: > > AFAIK, the 11/70 backplane is about that size, but it consists of *two* > separate backplanes with lots of fragile wiring between the 2 halves. > Further, I am “missing” a few MOLEX connectors on the top

RE: eBay: PDP-11/70 backplane?

2017-03-23 Thread Henk Gooijen via cctalk
Van: Pontus Pihlgren via cctalk<mailto:cctalk@classiccmp.org> Verzonden: donderdag 23 maart 2017 21:27 Aan: Noel Chiappa<mailto:j...@mercury.lcs.mit.edu>; General Discussion: On-Topic and Off-Topic Posts<mailto:cctalk@classiccmp.org> Onderwerp: Re: eBay: PDP-11/70 backplan

Re: eBay: PDP-11/70 backplane?

2017-03-23 Thread Pontus Pihlgren via cctalk
On Thu, Mar 23, 2017 at 04:19:01PM -0400, Noel Chiappa via cctalk wrote: > This: > > http://www.ebay.com/itm/252820125010 > > looks like it might be an -11/70 backplane, but I'm too lazy to look up the > part number. > > Noel The 11/70 backplane is wirewrapped. If that is an 11/70