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Type: Posts; User: 1944GPW

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  1. Replies
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    There was a 4KW memory and board set for the...

    There was a 4KW memory and board set for the 11/15 and 11/20 on eBay a fortnight ago:
    https://www.ebay.com/itm/DEC-PDP-11-20-core-memory-support-boards-MM11-E-G102-G103-G225-G226-/333744695091
    I...
  2. That is a great drawing Vince! Don't worry...

    That is a great drawing Vince!
    Don't worry about the threads, the "in thing" (literally) for 3D prints these days are nutserts, which are heated and pressed in, or you can press-fit and superglue...
  3. If you don't find the original drawings then...

    If you don't find the original drawings then you're set to recreate it from measurements of an original panel. I'm doing the same as you but for an -11 console.
    I haven't seen an 8i panel but if...
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    Just correcting myself above, I really meant from...

    Just correcting myself above, I really meant from 1972 to 1973 for the early grille and bezel, from the machines I've seen on eBay and elsewhere. Also the early bezel was painted black just on the...
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    It's just my observation but the solid cast metal...

    It's just my observation but the solid cast metal fascia grille seemed to be only on the early 11/05 and 11/10, from late 1972 to early 1973.
    This can be seen in the PDP-11/05/10/35/40 processor...
  6. Thread: Tape drive

    by 1944GPW
    Replies
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    286

    I don't recall seeing anything regards your...

    I don't recall seeing anything regards your conjecture. I occasionally post here about things for sale I've seen (no connection to the sellers) that I believe are of interest to the VCF community,...
  7. Thread: Tape drive

    by 1944GPW
    Replies
    6
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    286

    Just for the record, the hub rings on the Kennedy...

    Just for the record, the hub rings on the Kennedy 9000 can be replaced with #BS336 nitrile O-rings (80 duro) available from a bearings store for very little money.
  8. Replies
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    The 11/05 paddles are the same as 11/03 paddles....

    The 11/05 paddles are the same as 11/03 paddles. I have written the CAD script for these, you can print them off from https://www.thingiverse.com/thing:2829191 and they work (see photos).
    There is...
  9. Replies
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    2,617

    The 8e toggle switch paddles look the same as on...

    The 8e toggle switch paddles look the same as on my 11/15, shown below. There is a prominent mold line artifact down the middle of the paddle, and the two halves are a tiny bit disjoint.
    This is of...
  10. Replies
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    1,737

    Here's a compact but powerful DC motor and...

    Here's a compact but powerful DC motor and controller package that should have ample torque:...
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    Yes RIP Julian, I have a few of his CDs:(...

    Yes RIP Julian, I have a few of his CDs:(
    Dragging a wire between like a cheesecutter sounds very workable. Perhaps a piece of fine piano wire with a bit of current through it to warm it up a bit?...
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    Is this for your Maximat I think you have? I...

    Is this for your Maximat I think you have? I would echo Chuck and go with a DC motor, and there are well-priced beefy PWM motor controllers available on the usual place (and from the usual place).
  13. Replies
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    I have been using DeltaCopy, a free Windows rsync...

    I have been using DeltaCopy, a free Windows rsync client to sync multiple machines and NAS on my home network for years and it works perfectly for my situation, I've hardly ever had any problems with...
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    FS: some used Motorola CPUs

    Four used Motorola CPUs:
    one MC68020 CPU
    three MC68010 CPUs

    All are UNTESTED but look physically fine and have always been kept stored in tinfoil.
    No guarantees. No returns.

    The lot for $40...
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    FS: some used Intel CPUs

    Two used Intel CPUs plus a support chip:
    intel A82485-33 (486 cache controller)
    intel i486DX (A80486DX-33)
    Intel Pentium 4 3.20GHz
    and a 40mm square heatsink

    All are UNTESTED but look...
  16. I was thinking if you wanted some nice (but...

    I was thinking if you wanted some nice (but somewhat blocky) colour graphics streaming onto a screen from a period-era modem, take a look at the Prestel / Minitel services that were available at the...
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    The microswitches I have for the prototype are...

    The microswitches I have for the prototype are made in Japan. You're probably right about Golden Dragon ones being available for cheap but I haven't looked. By the way the original p/n switch is...
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    A quick WIP update on my keyset replica. My 3D...

    A quick WIP update on my keyset replica. My 3D printer was broken for a few weeks but I repaired it yesterday. I printed a test section of the base to check alignment and hole sizes and to fit the...
  19. I think I may have found a machine that ticks...

    I think I may have found a machine that ticks pretty much all your boxes:

    62381

    The Sony SMC-70 from 1982 was purposely designed to run with a videodisc player for multimedia retrieval. This is...
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    Sounds like these tilted stem keycaps have some...

    Sounds like these tilted stem keycaps have some similarity to VT100 keycaps. I recently set up a rig to topographically profile VT100 keycaps by placing them in a small machine vice and tracing with...
  21. I'm not a member of that auction house so can't...

    I'm not a member of that auction house so can't see what the final prices were. I'm curious as to what the pallet of Diablo's went for, and the Entrex machines, the Burroughs bits and so on. Just how...
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    If you want a guide for an eBay price, I bought a...

    If you want a guide for an eBay price, I bought a perfect condition early version PDP-11/10 console with cable on eBay in March 2016 for 250 USD not including postage. I was the only bidder. This...
  23. Interesting, as that's not the only time a PDP-8...

    Interesting, as that's not the only time a PDP-8 ("straight eight") has graced the cover of Electronics Australia.
    This cover from December 1974 shows Jim Rowe demonstrating the EDUC-8 with a PDP-8...
  24. IBM 2741 I/O Selectric terminal platen knob on eBay

    Not mine.
    https://www.ebay.com.au/itm/164216408001
    As far as I know, this style of knob was only ever fitted to the 2741 terminal, MT/ST and blue ones for the 1052 printer-keyboard and 1053...
  25. Most of the Diablo's in that lot are fitted with...

    Most of the Diablo's in that lot are fitted with the flush-mount front fascia panels, as mine are. Two appear to be the Alto style with the side panels that made the drive project out the front of...
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