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  1. Thread: DEC Microvax IIs

    by g4ugm
    Replies
    6
    Views
    162

    If you put your location in your profile it will...

    If you put your location in your profile it will pop up on all posts...
  2. Replies
    110
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    2,416

    Starting prices on E-bay are expensive for a...

    Starting prices on E-bay are expensive for a number of reasons that combine to create a perfect storm...

    1. you have items that are in limited supply, we know that no more genuine PC/XTs will be...
  3. Replies
    42
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    1,192

    Sorry perhaps I have over trimmed. Perhaps the...

    Sorry perhaps I have over trimmed. Perhaps the shortage of mainstream coverage is deliberate. Trying not to panic the public? As for the above BT or perhaps Openreach used to offer a PSTN port with...
  4. Thread: DEC vax 11/750

    by g4ugm
    Replies
    5
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    186

    Yes, the 11/750 was the slowest VAX at around 0.6...

    Yes, the 11/750 was the slowest VAX at around 0.6 Mip or VUPs. My pizza box VAX/VLC is about 10 times faster.
  5. Replies
    42
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    1,192

    That is not how I read the OFCOM document. ...

    That is not how I read the OFCOM document.

    https://www.ofcom.org.uk/__data/assets/pdf_file/0032/137966/future-fixed-telephone-services.pdf

    as far as I can see it makes no difference if you...
  6. Replies
    42
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    1,192

    Well BT has said they will phase out the normal...

    Well BT has said they will phase out the normal phone service by 2025 and have also dropped the Fibre to Voice service which came with a Battery Backup Unit so whilst you may be sitting pretty now,...
  7. Replies
    42
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    1,192

    Yes there is a distance limit on ISDN, typically...

    Yes there is a distance limit on ISDN, typically 5 or 6Km. Really its a group delay and an attenuation limit. This caused issues in the UK where in some places where the Post Office and British...
  8. Replies
    11
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    245

    In some ways all networking, well all that I have...

    In some ways all networking, well all that I have met, is "serial". The data is passed as a sequence of bits, one at a time. Often its half duplex, more modern systems may be full duplex. Its just...
  9. Replies
    42
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    1,192

    I had ISDN for a long time which in the UK was 2...

    I had ISDN for a long time which in the UK was 2 x 64K voice/data and 16k signalling over a normal exchange copper pair, so you get 128k but paid for two calls. (no free local calling in Europe)...
  10. Replies
    11
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    245

    You should find cards with RJ45 around. I know...

    You should find cards with RJ45 around. I know this one is a tad on the expensive side, but as its NE2000 compatible it should be easy to find driver

    https://www.ebay.com/itm/192871128902
  11. Replies
    42
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    1,192

    Its still the norm in the UK as most internet is...

    Its still the norm in the UK as most internet is delivered over ADSL or FTTC so needs a copper pair to deliver to the home. Some places where cable TV was installed there is Cable.
    Its planned to...
  12. Replies
    19
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    1,121

    Thanks for that. I have grabbed that as well. I...

    Thanks for that. I have grabbed that as well. I think I have some 27256 and my programmer is supposed to support them...
  13. Thread: MicroVAX II

    by g4ugm
    Replies
    2
    Views
    187

    Its a lot smaller than the original VAX 11/750...

    Its a lot smaller than the original VAX 11/750 and 11/780 that came before it....
  14. Perhaps a special for some kind of 5250 or other...

    Perhaps a special for some kind of 5250 or other terminal emulators. Real 5250 keyboards have a "CMD" key and you generate the equivalent of "F1" by pressing "cmd" then "1"...
  15. Replies
    73
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    2,899

    I know there are places still running VAX...

    I know there are places still running VAX systems...
  16. Replies
    28
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    759

    Who says it uses a sine wave?

    Who says it uses a sine wave?
  17. Thread: VAX Haul...

    by g4ugm
    Replies
    90
    Views
    7,344

    Dave, I know Mark from DecLegacy has APL...

    Dave,
    I know Mark from DecLegacy has APL running. Are you on the dec lEGACY LIST
    Dave
  18. Replies
    73
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    2,899

    Yes, SIMH is an emulator that lets you install...

    Yes, SIMH is an emulator that lets you install and run VAX VMS on Linux or Windows and other programs (Not sure about BSD or macOS).
    You can mount an "ISO" CD image on SIMH and then access it from...
  19. Replies
    73
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    2,899

    So it looks like DECNET is running. Getting stuff...

    So it looks like DECNET is running. Getting stuff from a SIMH instance sounds like an idea...
  20. Replies
    28
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    759

    Well in the UK the gold standard is the "Peak"...

    Well in the UK the gold standard is the "Peak" which measures at 100Khz

    https://www.peakelec.co.uk/acatalog/esr70-capacitor-esr-meter.html

    but I think you will think its too expensive.....
  21. Replies
    28
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    759

    I have found the cheap meters and I have two...

    I have found the cheap meters and I have two pretty useless for testing ESR on PSU capacitors. I think they simply don't pump enough current through the device and report low ESR and high...
  22. Replies
    73
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    2,899

    I think we can find install media which can be...

    I think we can find install media which can be mounted on a SIMH image of VMS and shared across the network, using DECNET. what does "show network" and "show cluster" show?

    Or if there is a free...
  23. Replies
    19
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    Mattis, I think everything is here. ...

    Mattis,
    I think everything is here.

    https://1drv.ms/u/s!Ag4BJfE5B3onlY9uJ7Po_iGZhCGcOA?e=M1YAFz

    Sadly the VMS patches only go as far as VMS 7.1
    Dave
  24. Replies
    73
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    2,899

    Thanks Terry. I will make a note.

    Thanks Terry. I will make a note.
  25. Replies
    73
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    2,899

    I think a simple LICENCE LIST will display the...

    I think a simple LICENCE LIST will display the values, but not in a format that can be used to re-enter them.
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