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  1. It was a very good event... Great to see some...

    It was a very good event...
    Great to see some of the other folk from here...

    They have a video on their website, though the demo-gods had decided to turn off the lights on my PiDP-11 - it was...
  2. Looks a nice bunch of stuff... Always good to see...

    Looks a nice bunch of stuff... Always good to see a proper working ASR and smell that oil :-)

    Pity about the Newbear - that would have given us 4 working ones at the show... but 3 is probably more...
  3. I'm planning on taking:- My brother, Dave, as...

    I'm planning on taking:-

    My brother, Dave, as it seems no stand is complete without a `Dave` ... (and somebody has to keep the 77-68s running :-)

    3 x Newbear 77-68 Motorola 6800 based kit...
  4. Hi Dave... Me to - Planning on taking 3 x...

    Hi Dave...

    Me to - Planning on taking 3 x Newbear 77/68s, amongst other things - Are you bringing yours ?

    Chris
  5. Cambridge UK: Retro computing event has been announced

    At the Centre for Computing History in Cambridge UK 7th/8th Sept. 2019...

    http://www.computinghistory.org.uk/det/53612/Retro-Computer-Festival-2019-7th-8th-September/
  6. I believe a KSR33 is like an ASR33, but `keyboard...

    I believe a KSR33 is like an ASR33, but `keyboard only`, IE: No tape reader/punch.
    and a Data Dynamics 390 with tape reader/punch is based on an ASR33

    I have a 390 printer manual (DDTM 025 Issue...
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    Looks like it's just the empty containers to me...

    Looks like it's just the empty containers to me :-(
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    M20 floppy jumpers

    Hi Dwight,

    I have now found that what I've been calling the `older` board is Rev.D and the `newer` is Rev.G

    It looks like that manual you mention is referring to the older board ( Rev.D ) and...
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    M20 floppy drives

    Hi Dwight,

    Thanks very much for taking the time to find that : I'll look into those

    Chris
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    M20 floppy

    Hi Dwight,

    Yes: It certainly looks like the drive as, since I last posted, I have opened if up and have managed to clean the heads a bit and it is now reading some of the time - It still boots...
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    M20 drives

    Hi Dwight,

    As the system stands, I would have to hand type BASIC code to do any track dumping - and then getting the data off suitable to email to you would be a pain - and I haven't tested the...
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    M20 floppy drives

    Hi Dwight,

    I've tried installing the known working 360k drive and put a known good PCOS disk in it
    and booted - it boots from the hard disk ( which is working, but noisy, with a constant whine )...
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    M20 pictures

    Ah, I see the uploads made it - the newer one is on the left and the filenames also indicate which is which.
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    M20 motherboard pictures

    Thanks Dwight,

    I've tried adding attachments with pictures of both older and newer boards.
    - not sure if they made the upload OK, I don't find the process very intuitive !

    The old one has the...
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    Olivettti M20 Floppy disk jumpers

    Does anyone know the jumper settings on the M20 motherboard to specify which size the f/d drives are ?
    I know the possibilities are 160k, 320k and 640k
    The motherboard concerned is the one with the...
  16. Yes please -- I live in Thatcham, Berks and so...

    Yes please -- I live in Thatcham, Berks and so could pick it up quite easily.

    Chris C
  17. Hi Dave, Funnily enough, I'm visiting that...

    Hi Dave,

    Funnily enough, I'm visiting that museum on 15th Aug. - not sure if I can make the retro event, but if I do, I have an Olivetti M20 and a rather lashed up, but working Newbear 77-68,...
  18. Thread: Newbear 77-68

    by chris-uk
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    The 77-68 motherboard we have with only a 4k ram...

    The 77-68 motherboard we have with only a 4k ram board and home-brewed board with rom/ram, pio, acia only uses a 5v supply.
    ( See:...
  19. Thread: Newbear 77-68

    by chris-uk
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    Hello Simon, Did you get around to scanning &...

    Hello Simon,

    Did you get around to scanning & posting your docs ? - I'm interested as my brother's collection of docs is incomplete.

    No problem if not, I'd just rather not miss the stuff it...
  20. Thread: Newbear 77-68

    by chris-uk
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    My brother & I have been playing around with the...

    My brother & I have been playing around with the 77/68s and so I've taken a few more pictures and update the notes at:-

    www.cmas-net.co.uk/vintage/Newbear-77-68/Pictures/

    Chris
  21. Poll: Move the bed to the basement ? :-)

    Move the bed to the basement ? :-)
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    Worst O/S .. Windows 10 - not trying to start...

    Worst O/S .. Windows 10 - not trying to start any arguments, it's just my opinion. After using windows as my `base` O/S, with VMs for other O/Ses I was having such a bad time with Win.10 that I...
  23. You could also look at the built-in `File...

    You could also look at the built-in `File History` feature to save any changes in your documents folder to, say, a USB drive.
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    Your M20 is interesting to me ( as you probaly...

    Your M20 is interesting to me ( as you probaly know ! ) - I have all those other floppy disks I wish to recover / archive :-) ... Good luck with sales
  25. Added PDP10 - decsystem10 Tech. Summary from...

    Added PDP10 - decsystem10 Tech. Summary from 1974...

    http://www.cmas-net.org.uk/vintage/DecSalesLit/Dec-PDP10-decsystem10-Technical-Summary-1974.pdf

    chris
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