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    DECSystem 5000/240

    I've had a DECSystem 5000/240 for a while and recently decided to check it out. I cleaned it up and tested the PSU offline and it appears OK. I connected the PSU to the system board via the large ground and +5V cables only and no issues, PSU fans turn and some LED's are active. I switched it off...
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    DEC H7140 PSU

    I'm looking for a DEC H7140 PSU in working condition for my PDP-11/24. I'm in the UK. TIA.
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    Emulex CS21

    Hi, I'm looking for jumper and switch configuration for an Emulex CS21 F. I'm looking at putting this in my 11/24 to add load to the PSU. From what I gather from a Google search the F version was only supported with VMS but I guess as it is Unibus it will have the same electrical and signal...
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    Manuals up for sale in USA

    This guy has some good manual collections up for sale. I have no association with the seller, https://www.ebay.co.uk/itm/DEC-Digital-Vax-Manuals-Documentation-Archive-50-Titles/265018202733?hash=item3db450da6d:g:GNIAAOSwiCNgBOF3...
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    PDP-11/24 in BA11-A with H7140 PSU

    I collected a PDP-11/24 two weeks ago today. It is in a BA11-A with H7140 PSU. Cards installed are M7133, M7134 and M8743 MS11-PB. It was in very clean condition with some signs of corrosion. I had this weekend and last Saturday to start this project. I cleaned the inside, backplane, PCB's PSU...
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    VT420 troubleshooting

    Does anybody have experience troubleshooting a VT420? I have one that does not display on screen when powered up but makes a continuous clicking sound (switch mode startup?). I have the service manual but I have not been able to find a circuit diagram. I cannot see the heaters glowing on the CRT...
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    HP1000 A900 plus spare board set and cables etc

    I have a HP1000 A900 complete working with two HP-IB I'F's and cables, two 8 port async mux with cables and breakout boards (connect console to port 0 on here). Sale comes with a complete spare working board set and a single port async card with fiber cable. Also included are HP-IB cables and a...
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    LK201 Keybaord

    As far as I'm aware the LK201-AA is US keyboard and LK201-AE is UK keyboard. What is LK201-EE? It has UK pound £ sign on 3 key as with LK201-AE.
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    New to me Rainbow 100A and VR201

    I have just purchased (won) a Rainbow 100A in box with VR201 screen, keyboard, software and a printer. I have yet to collect the item. I have never used or seen one of these as I was still in junior school when this one was purchased;) I've attached some pictures. I'm interested in cleaning the...
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    DZ11 distribution panel anyone?

    Spotted this at a very good price for anyone with a Unibus system and DZ11's. Nothing to do with me, https://www.ebay.co.uk/itm/DEC-digital-h317e-Comms-Distribution-Panel/202633286490?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649 There is DEK TU58 also. Notice the spelling...
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    PDP-11/34 and PDP-11/73

    Just noticed this on for marketplace on here VCFED http://www.vcfed.org/forum/showthread.php?68812-PDP-11-34-and-PDP-11-73
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    Interesting system west side of the pond

    https://www.ebay.co.uk/itm/DEC-Digital-Computer-MicroVax-Vaxstation-KA650-CPU-Parallax-RGB-Maxtor-XT8760/283262424470?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908105057%26meid%3D11c92922d8204e1dbf17aba2edccf79c%26pid%3D100675%26rk%3D3%26rkt%3D7%26sd%3D113363563624%26itm%3D28...
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    HP 1000 A class A900

    Hi, I've been following and contributing to the below thread on here under "other", as the HP 1000 A900 is a mini computer I though I would move the discussion over to here. http://www.vcfed.org/forum/showthread.php?61925-HP-1000-A900-with-7937-HDD I acquired an A900 a few months ago after...
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    For those that don't have a dual Q bus extender

    I saw this and thought of you;)...
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    Couple of interesting bits for 8 owner maybe?

    Just spotted these on epay https://www.ebay.co.uk/itm/Data-Dynamics-Zip-30-Teletypewriter/323275308608?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649 https://www.ebay.co.uk/itm/Addmaster-650-Tape-Reader/323275422232?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649
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    Wanted Vaxstation 4000/60 plastic part that goes around CD drive and door.

    Hi, I'm looking for Vaxstation 4000/60 plastic part that goes around CD drive and also the door.
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    Wanted: HP 1000 A900 parts

    Hi, I'm looking for parts for an HP 1000 A900, some PCB's are also compatible with A400, A700 and A990. In particular I'm looking for async cable for 12005. 12040 aync mux with cable and 28658-60005 breakout panel. I'm also looking for 12203 Cache Control Card, 12204 Memory Controller Card. Thanks.
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    Vax 4000 model 60

    I have acquired a VAX 4000 model 60 with 16MB of memory. I want to get OpenVMS installed on this and I have registered on the OpenVMS hobbyist program. I'm struggling to find where I can find the iso images for download, if indeed that is how I get OpenVMS. I've also gone to the HPE license site...
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    Source of old DEC chips?

    Hi, I have 2 x 11/02 CPU cards, one working and one not. After some troubleshooting I've found two faulty chips on the non working card. DEC 1611H and DEC 2007C or 21-15579 and 23-002c4. I'm unable to find a source for either of these chips. I know at least one of them had a different WD part...
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    MXV11 CA M8047 small system build CMD CQD and SCSI2SD

    I have purchased an MXV11 CA, I plan to use this as part of a small system along with a CPU and a CMD CQD 220TM. My question is, is there an operating system that I can run using only the memory on the MXV11 without adding an extra memory card? My MXV11 CA didn't come with any boot ROM's either...
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