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Re: [midatlanticretro] Re: Using 2SIO to download BASIC into an Alair without a disk drive or cassette.

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  • Bill Degnan
    I will take a look. I may not have a terminator that works. I have to check bd ... Alair without a disk drive or cassette. ... each ... number of ... my
    Message 1 of 15 , Feb 26, 2010
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      I will take a look. I may not have a terminator that works. I have to
      check
      bd

      -------- Original Message --------
      > From: "Dan Roganti" <ragooman@...>
      > Sent: Friday, February 26, 2010 2:24 PM
      > To: midatlanticretro@yahoogroups.com
      > Subject: Re: [midatlanticretro] Re: Using 2SIO to download BASIC into an
      Alair without a disk drive or cassette.
      >
      > Bill Degnan wrote:
      > > I am not using a terminator.
      > > My memory tests so far have all been manual read/write/read tests at
      each
      > > page location 0000, 1000 - F000. I have swapped RAM cards into a
      number of
      > > configurations, and I usually get the same result. It's possible that
      my
      > > laptop serial port is not right? Not sure yet.
      > >
      >
      > Anytime you add more loads on that bus, by adding more cards, it's wise
      > to use a terminator card. The signal quality begins to degrade by the
      > consequence of electrical reflections between all the drivers from more
      > cards on the bus.
      >
      > I uploaded some memory tests that I found online to here. One of them is

      > short that you can thumb-in. It's in assembly still, it's not a
      > comprehensive test but it's a start, under folder S-100 Test Code.
      >
      > =Dan
      >
      >
      >
      >
      >
      >
      > ------------------------------------
      >
      > Yahoo! Groups Links
      >
      >
      >
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