unibus backplane list?

[Joe R.]

At 03:51 PM 8/12/05 -0600, you wrote:
>On 8/12/05, Brad Parker <brad at heeltoe.com> wrote:
>> Is there a list of the various pdp-11 unibus backplanes anywhere?
>
>I do not know of a master list online.
> 
>> My 11/44 has a DD11-DF in it which is impossible to get cards into and
>> out of.  It's like something is physcally wrong with it.  Rather than
>> damage any cards I thought I'd replace it.
>
>It takes a bit of force to get hex cards in a nearly-unused backplane.
> I've bent latches trying to get boards in. 

   I've had similar trouble with the HP 1000 boards. I found that if I
clean the edge connectors and them wipe them with a rag slightly dampened
with WD-40 (mostly kerosene, a light oil) that the cards go in and out much
easier and I have a lot less intermitant contacts. I believe the oil
coating also helps reduce oxidation of the contacts.

  Joe