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  1. W

    Germany: VAX II BA123, 8 MB, TK50, RD53, Netzw., SCSI-Controller

    Could be a cheap pickup. Germany, Hannover. https://www.ebay.de/itm/DIGITAL-DEC-VAX-II-in-BA123-Gehause-8-MB-TK50-RD53-Netzw-SCSI-Controller/233580839270?hash=item366280c166:g:CJ8AAOSw0XhekMsV :)
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    A single KA655 can support up to four MS650·BA Modules

    http://bitsavers.trailing-edge.com/pdf/dec/vax/655/EK-KA655-TM-001_KA655_CPU_Module_Technical_Manual_Jan89.pdf "A single KA655 can support up to four MS650·BA modules. if enough Q22 .. bus/CD backplane slots are available." I guess this is not valid for a MicroVAX in BA23? Following this...
  3. W

    Failing on new Kernel for BSD2.11

    Hi Folks, i try to compile a new 2.11BSD Kernel on SIMH for my 11/73 ... the GENERIC without modification compile well. But when i change INET to YES ... i got this error: I guess there are to much .o for the linker(ld) ???
  4. W

    DNS on ULTRIX 4.5

    Hello Fellows, is there a workaround to make the resolver in ULTRIX 4.5 working? https://gunkies.org/wiki/Installing_Ultrix_4.5_on_SIMH#Network_configuration I have a BIND9 in my network, but the IQUERY option is obsolete in this.
  5. W

    KDJ11 state sequencer ???

    State sequencer - i found this in the KDJ11 user guide. There are two versions. A black one in a socket and a brown(gold cap) one on the newer KDJ11-AC. I couldn find any infos About this chip ?! It seems there is a print: CG1604PA
  6. W

    Bring 2.11BSD_rq.dsk to disk

    Hello fellows, i want to bring a fine running 2.11BSD_rq.dsk (SIMH) to a real 1GB DEC DSP3107LS (SCSI) disk. What is the best way (Linux)? Simple dd? And thats it? Ready for booting on a 11/73? Thx for rplng!
  7. W

    ODT copy and paste

    It there a trick to copy and paste more than one line into a ODT prompt?
  8. W

    Confused on adressing a J11

    I try to do a simple echo test, based on this: http://www.psych.usyd.edu.au/pdp-11/hints.html simply tested by depositing 060 (octal) into its 'transmitter buffer ', 0777566 (017777566 for 22 bit machines) in the case of the console. But in the DLV11-J_Users_Guide they use 177566 for XBUF...
  9. W

    Roi sbc j11-8

    Hello Folks, did someone heard something about a ROI SBC J11-8? I will get one shortly and found only some strange pictures?! :confused:
  10. W

    KDJ11-A in H9275-A

    Hello Folks, can i run a KDJ11-A in H9275-A? As i see here the KDJ11-A Needs 240Ohm Termination? http://web.frainresearch.org:8080/projects/pdp-11/dcj11.php The H9275-A has 120Ohm? http://web.frainresearch.org:8080/projects/pdp-11/backplanes.php Is this a problem?
  11. W

    KICAD QBUS PCB Template

    Hello Folks, there is a nice Eagle Layout Template for QBUS cards. Is there something for KICAD?
  12. W

    KDJ11-B wich Backplane?

    Hello Folks, wich BP will fit to a KDJ11-B CPU board? I have H9275-A … i guess its useless for a KDJ11-B? Is there a list of all BP? I found this: http://web.frainresearch.org:8080/projects/pdp-11/backplanes.php but i miss some in this list.
  13. W

    PDP11/84 Front Panel Pinout

    Can somebody help? I need the pinout of the blue header.
  14. W

    H9275-A wired power issue

    Hello Folks! my midlife crises is getting stronger and stronger, not enough bucks for a Porsche on my account ... so im starting to build a 11/73. :D I aquired a nice H9275-A. Yesterday i want to put some blood in the veines of the 11/73 back again ... after 35? years :) But im failing with...
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