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  • Lou - N2MIY's Avatar
    Yesterday, 08:35 AM
    Yes, you can read appropriately formatted CDs on a pdp-11. Some years ago when I got a CQD-220, I decided to put a heap of SCSI drives on my 11/73...
    5 replies | 156 view(s)
  • m_thompson's Avatar
    February 13th, 2018, 04:36 AM
    m_thompson replied to a thread Pdp-10 in DEC
    When you visit the RICM you can see the KS10 at my house that runs TOPS-10.
    38 replies | 1411 view(s)
  • Lou - N2MIY's Avatar
    February 8th, 2018, 04:06 PM
    Lou - N2MIY replied to a thread The VT-100 Keyboard in DEC
    I use rubber expansion nuts and a mating machine screw. Tighten the screw and the rubber expands, similar to the way the wings flare out when you...
    14 replies | 400 view(s)
  • Lou - N2MIY's Avatar
    February 8th, 2018, 04:00 PM
    Lou - N2MIY replied to a thread Building a PDP11/83 in DEC
    Is the CXY08 manual available online? I have looked for one for a long time. Is it register compatible with the DHV11? Lou
    14 replies | 461 view(s)
  • Lou - N2MIY's Avatar
    February 8th, 2018, 03:55 PM
    In the original thread, you'll see that I had 30+ feet of unshielded cat 5 coiled up like a rat's nest behind my rack laying all over live 120V power...
    5 replies | 194 view(s)
  • m_thompson's Avatar
    February 8th, 2018, 04:47 AM
    m_thompson replied to a thread Pdp-10 in DEC
    The RICM is always interested in flipchips that fit in our PDP-9. We have a good collection of R modules, but not many B modules. Can you send me...
    38 replies | 1411 view(s)
  • Lou - N2MIY's Avatar
    February 7th, 2018, 06:26 PM
    I bought the material, but never did set it up. I bought small surface mount boxes that had two holes for keystone female RJ45s. I intended to put...
    5 replies | 194 view(s)
  • Lou - N2MIY's Avatar
    February 7th, 2018, 04:32 PM
    Lou - N2MIY replied to a thread Pdp-10 in DEC
    Well then, I had better start planning this project! It will be helpful if there is a way to have the emulator spit out the entire state of the...
    38 replies | 1411 view(s)
  • m_thompson's Avatar
    February 7th, 2018, 05:01 AM
    m_thompson replied to a thread Pdp-10 in DEC
    I keep a list of known PDP-10 systems here: https://sites.google.com/site/mthompsonorg/Home/pdp-10/pdp-10-serial-numbers I would appreciate any...
    38 replies | 1411 view(s)
  • m_thompson's Avatar
    February 7th, 2018, 04:59 AM
    m_thompson replied to a thread Pdp-10 in DEC
    i worked on 36-bit Honeywell(GE) mainframes for a while. Very nice machines.
    38 replies | 1411 view(s)
  • m_thompson's Avatar
    February 7th, 2018, 04:58 AM
    m_thompson replied to a thread Pdp-10 in DEC
    Actually we have two KA10 consoles. ;-)
    38 replies | 1411 view(s)
  • Lou - N2MIY's Avatar
    February 6th, 2018, 06:21 PM
    Lou - N2MIY replied to a thread Pdp-10 in DEC
    I have this one: http://www.vcfed.org/forum/album.php?albumid=57&attachmentid=2424 . My father (Lou Sr.) was the DEC field service engineer who...
    38 replies | 1411 view(s)
  • jackrubin's Avatar
    February 4th, 2018, 12:10 PM
    Be sure to make yourself known! Check in with Oscar Vermeulen or Joerg Hoppe and we'll find you. Jack
    21 replies | 927 view(s)
  • m_thompson's Avatar
    February 4th, 2018, 11:44 AM
    m_thompson replied to a thread Another PDP-8L on eBay in DEC
    Free shipping! I asked the seller to take the bottom cover off and post a picture of the flipchips. No reply yet. Maybe I should bid on it...
    9 replies | 222 view(s)
  • jackrubin's Avatar
    February 2nd, 2018, 04:34 PM
    jackrubin replied to a thread PDP-8L on eBay in DEC
    My $99.99 offer was (automatically) declined. Jack
    19 replies | 487 view(s)
  • m_thompson's Avatar
    February 2nd, 2018, 07:40 AM
    m_thompson replied to a thread PDP-8L on eBay in DEC
    The PDP-8/I at the RICM looked a little better than that 8/L, but not much. All of the flipchips were covered with corrosion, many of the IC leads...
    19 replies | 487 view(s)
  • m_thompson's Avatar
    January 31st, 2018, 09:32 AM
    We need to collectively make an RK05 image that will boot on the 8/a/e/f/m and already have the serial disk handlers installed. Then you can just...
    5 replies | 234 view(s)
  • m_thompson's Avatar
    January 31st, 2018, 04:39 AM
    I run it on a PDP-12 and 8/e, and it is very useful. The version on Github will only work on an 8e/f/m.
    5 replies | 234 view(s)
  • m_thompson's Avatar
    January 30th, 2018, 05:32 AM
    m_thompson replied to a thread Pdp-10 in DEC
    I have lots of interest in PDP-10 systems. I helped rescue 24,000 pounds of KL10 for the RCS/RI http://www.rcsri.org/collection/pdp-10-1090/ ...
    38 replies | 1411 view(s)
  • m_thompson's Avatar
    January 29th, 2018, 05:01 AM
    My Douglas Omnibus extender came with small pieces of plastic glued into the connector. This seems to locate the board OK.
    8 replies | 281 view(s)
  • m_thompson's Avatar
    January 28th, 2018, 07:47 AM
    I have had the same experience with Douglas.
    8 replies | 281 view(s)
  • jackrubin's Avatar
    January 27th, 2018, 07:05 AM
    Congratulations on finding your way to this forum - there is a (relatively) large group of knowledgeable enthusiasts ready to help you learn your way...
    21 replies | 927 view(s)
  • m_thompson's Avatar
    January 26th, 2018, 04:40 AM
    Very nice. I have lots of small Sun systems, likely all with dead NVRAMs.
    2 replies | 121 view(s)
  • m_thompson's Avatar
    January 23rd, 2018, 04:35 AM
    My EAE board set is too early to work with my CPU board set. I need to cut a ground connection on an over-the-top connector and connect it to a...
    19 replies | 718 view(s)
  • m_thompson's Avatar
    January 23rd, 2018, 04:32 AM
    The RICM got a nice 8/m a few months ago that runs a document scanner. We haven't powered it up yet. The chassis is nearly identical to the DW8E-PC...
    20 replies | 968 view(s)
  • jackrubin's Avatar
    January 22nd, 2018, 01:29 PM
    jackrubin replied to a thread Troubleshooting EAE on PDP8E in DEC
    Don, I expect there are several of us with funky EAE sets who would appreciate a chance to use your diagnostics. Please do post! Thanks, Jack
    19 replies | 718 view(s)
  • m_thompson's Avatar
    January 22nd, 2018, 08:04 AM
    No need to pay for replacements if you can reform them for free.
    20 replies | 968 view(s)
  • m_thompson's Avatar
    January 22nd, 2018, 05:13 AM
    It is a nice little PDP-8, but the power supply has a design problem with the output capacitors. If the capacitors are not over 1200 uF the power...
    20 replies | 968 view(s)
  • wa2flq's Avatar
    January 20th, 2018, 01:39 PM
    wa2flq replied to a thread DEC PDP-8/F available on eBay in DEC
    Nice to see one offered in my backyard for a change….
    20 replies | 968 view(s)
  • m_thompson's Avatar
    January 19th, 2018, 07:14 AM
    Single stepping through a failing test makes no difference?
    19 replies | 718 view(s)
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About jackrubin

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About jackrubin
Biography:
Started computing in 1959 (GENIAC), still trying to figure things out
Location:
Wilmette, IL (north of Chicago)
Interests:
CP/M, PDP8 & 11, RTTY
Occupation:
Stay-at-home computer dad

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Recent Entries

DEC extender adapter for over-the-top OMNIBUS boards

by jackrubin on June 30th, 2017 at 02:50 PM
Quote Originally Posted by jackrubin View Post
Revision 2 just arrived - smaller board, no vias. Based on how hard I had to smack the connectors with the hammer, I've opened the holes up a little in the next batch. First cable set goes out for testing tomorrow.





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