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fabrizio

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About fabrizio

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    Star Raider

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  • Gender
    Male
  • Location
    ITALY ( Rieti )
  • Interests
    Texas Instruments, APPLE , ( microchip, Atmel etc.. ).

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  1. do you have the schematic of this 15 pins connector?
  2. do you have the schematic of this cable ?
  3. I use a ti 99 as a forklift to do some tests, for the micro I used a socket with a tulip pin, but if I find a zero insertion socket I try it ... As for the TMS9929 I bought 10 in china, they work everyone, incredible. While the first 5 purchased some time ago, only 1 worked ....
  4. To test the tms9929, I use the ti99 with a zero insertion socket.
  5. I think that's just the problem, but I also have too old paper is yellowed, I would like to try new paper.
  6. It may not be a connector problem but a control circuit problem ... The eprom could be faulty..
  7. Thanks to the schematic I repaired mine, it had a faulty uln2003. Simple enough since it drives the engine, now the problem is that it doesn't print well in the center, only by pressing lightly I can print. Wonder if anyone had the same problem ...
  8. This information is very important for any projects I have in mind using the parallel port. I cant find the disk image.
  9. This information is very important for any projects I have in mind using the parallel port.
  10. congratulations for the whole description, many years ago I used this chip to produce games, to be used in schools, where some autistic children have played with fun.
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