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RE: [cosmacelf] Re: MC Hardware Boot Strap

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  • bill rowe
    I guess the idea of this is that it s persistent storage? To: cosmacelf@yahoogroups.com From: rarecoinbuyer@yahoo.com Date: Wed, 20 Mar 2013 16:51:51 +0000
    Message 1 of 10 , Mar 20, 2013
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      I guess the idea of this is that it's persistent storage?


      To: cosmacelf@yahoogroups.com
      From: rarecoinbuyer@...
      Date: Wed, 20 Mar 2013 16:51:51 +0000
      Subject: [cosmacelf] Re: MC Hardware Boot Strap

       
      I would be interested in that PCB. Put me on the list please.

      --- In cosmacelf@yahoogroups.com, Lee Hart <leeahart@...> wrote:
      >
      > Chuck Yakim the-eagle@... wrote:
      > > If you have a EPROM/OTP burner then the circuit that I just uploaded
      > > to this group will work for you. NO software needed except for your
      > > EPROM burner.
      >
      > Chuck built a really nice EPROM loader for the Membership Card. It plugs
      > into either the 25-pin front panel connector, or can *replace* the front
      > panel, plugging directly into the Membership Card's 30-pin connector. It
      > adds an EPROM socket, and logic to load its contents into the Membership
      > Card's RAM automatically.
      >
      > If enough people are interested, I'm sure we could order a batch of PC
      > boards for it.
      >
      > He very kindly sent me one, and I have been tinkering with it. It works
      > great! There are a couple improvements I'd like to make. One is to add a
      > serial port to the board. The other is to allow it to program EPROMs as
      > well as read them (probably just a few basic types). That would make it
      > a lot more useful for people that don't have an EPROM programmer.
      > --
      > The trouble ain't that there's too many fools, but that lightning ain't
      > distributed right. -- Mark Twain
      > --
      > Lee A. Hart, http://www.sunrise-ev.com/LeesEVs.htm
      >


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