Search results

Hi everyone! I'm looking for a SCSI card...they seem to be a little hard to come by. An Emulex would be great, but honestly any that supports a disk would work.

Recently I acquired a H9276-A backplane, and decided that I wanted to give it a try. I looked through the LSI Systems Service Manual Volume I (https://manx-docs.org/collections/antonio/dec/ek-lsifs-sv-005-vol1.pdf) to understand what all of the jumpers and things are for since they're not...

From the (admittedly limited) research I've done (mostly looking through Micronote 5)... I have the opportunity to get a 11/23+ enclosure, which looks like it comes standard with a H9276 backplane. It looks like this backplane has all Q/CD slots in it. Micronote 5 seems to suggest that as long...

I'm sure that this has been answered before, so my apologies...I couldn't get results by doing a search for "q/cd". I've just gotten a PDP 11/23+ (M8189-BA) and a 512k memory module (M8067) that I'd like to use to build a small system. I've got both a small H9270 backplane (not yet wired for...

Following up from another post... I've managed to do some more troubleshooting with my 11/83 CPU, and unfortunately it seems to need some help. While I can get output from the ODT, the system will not accept any input on the console port. I did check the switch 1 setting, and if I'm reading the...

Hi there, I'm in the process of building a PDP-11/83 system from some of the parts that I've collected along the way. Some of these are MicroVAX, some are just not useful to me. Make an offer, or let's trade. Since I can't test them, I can't guarantee them, but I was told that they were...

Hi everyone! I've finally scored a working BA23 and power supply (which I recapped), and now I'm hoping to start my physical PDP-11 journey! I've got a few different options to build from, but what I'd really like to do is the 11/83 CPU. To that end, I have a couple of M8637 boards, but I...

I have managed to collect a BA213 backplane (12 slot Q/CD) that has two edge type connectors for connecting power supplies. I've also got two power supplies for the board, but no information about how to supply the mains -- the supplies have a strange shaped 6pin connector and no switch. What...

I have found a unknown QBUS backplane that was manufactured by Measurex. I can't find any sort of documentation about it except that it is QBUS and will accept standard DEC dual height modules. Unfortunately, that also means that I have no idea whether this is a Q/Q, Q/CD, or a mix of both on...

I've seen in a few places now a QBUS backplane that was apparently manufactured by the Measurex company. It's sometimes referred to as a Honeywell backplane, as Honeywell bought Measurex at some point. The model is listed as a 053534-00 14x4 QBUS backplane. So far, I haven't found any sort of...

Hi everyone! I am at long last able to begin my PDP-11 build! This has been a long time coming... I am starting with only a DELQA and a 4MB memory board. I basically need everything else. And so I'm reaching out to people who may have some equipment that they might wish to part with. My goal...

Hello, VCF! I got my first taste of a PDP-11 in 1996 while working for a local calling... It was a 11/83 running RSTS/E and managing all of the slots on the boat. It was the biggest computer system I had seen in my still young career and I was intrigued. I leaned all I could about it and what...