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  1. #21
    Quote Originally Posted by cropwell View Post
    Modern they aint. The cards with the Moschip MCS9805 or 9815 use 5v logic, and they are in the majority of add-on PP cards on the market.

    Rob
    Useful info, any big brands to look out for or just generic ebay stuff?

  2. #22
    If you have tried on another PC then you have elimnated the PC and it should have worked so this suggests you have other issues.?
    Doesn't matter if PC was old, infact often better being old as the PP will be 5V not 3v.

    I would start again removing anything that isn't required and re wire. Then Fresh install of software on Fresh PC if possible.
    If still giving trouble then chances are you have damaged chips or something on the control board.

    In this Case I would just scrap the whole lot and replace with modern gear.

  3. #23
    Quote Originally Posted by magicniner View Post
    Useful info, any big brands to look out for or just generic ebay stuff?
    Nick, I don't buy dozens every day. All I remember is that the last one I bought was about 7 and was 'Generic Chinese' - that's the only brand I could get at a decent price. Startech are charging 4x that.

    Drivers are a sod to find if you lose the disk, you have to hunt t'Interweb based on chip or hardware id and try several before you find one that fits.

    Rob
    Albert Einstein may have been a genius, but his brother Frank, was a monster

    Sent from my clunky old Windows 7 Machine

  4. #24
    Quote Originally Posted by JAZZCNC View Post
    If you have tried on another PC then you have elimnated the PC and it should have worked so this suggests you have other issues.?
    Doesn't matter if PC was old, infact often better being old as the PP will be 5V not 3v.

    I would start again removing anything that isn't required and re wire. Then Fresh install of software on Fresh PC if possible.
    If still giving trouble then chances are you have damaged chips or something on the control board.

    In this Case I would just scrap the whole lot and replace with modern gear.
    The only chips on the control board are the drivers. If the input stages are bolloxed then I personally would go with the last idea as the PC seems to be very vulnerable. Case and power supply seem OK though although the case may be a little small for 4 drivers.

    Cheers,

    Rob
    Albert Einstein may have been a genius, but his brother Frank, was a monster

    Sent from my clunky old Windows 7 Machine

  5. #25
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    Make sure the ground of the driver board is connected to the ground of the parallel port.

  6. #26
    Quote Originally Posted by i2i View Post
    Make sure the ground of the driver board is connected to the ground of the parallel port.
    Checked the ground and it is okay. Unfortunately I think JAZZCNC is correct. I installed the new PP card & lead and it's doing the same rubbish.

    I have contacted Heiz and they have offered me an upgrade to the new Zero3 controller. It is available off the shelf in Germany for 360 Euro + VAT (19%) + shipping. It is a direct plug in replacement, so for the sake of speed & my sanity, I'm going to pull the trigger on it.

    I'd still like to rebuild the old unit with
    CW5045 drivers & BOB as a direct plug in backup, install Mach on the spare PC and get learning.

    Many thanks for all your help!

    Gavin


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