From: srs@nosapm.com   
      
   On 9 Nov 2006 22:17:54 -0800, "turnkit"  wrote:   
      
   >Glad you got it fixed.   
   >   
   >It still is an interesting question though--"can I connect my Model 4   
   >to a TV?" / "How do I keep a legacy Model 4 solution working?"   
   >   
   >In about 1989 I think I had a hercules monochrome (MGA? / MDA? )   
   >display (made by "NAP" I think) and I wired the pins off the model 3   
   >motherboard directly into the 9 pin (?) MDA monitor.  It actually   
   >sunk/sync'ed up without any extra hardware.  I also tried other   
   >monochrome monitors but none of them would hold the sync.  I thought it   
   >was pretty cool since I was thinking about gutting the model 3 and   
   >putting it in a custom case at the time.   
   >   
   >So anyway, if anyone else wants to do this, I would think you could   
   >connect even a good multisync VGA monitor/lcd... but surely it would be   
   >best to interface the electronics properly.  (I have no idea how that's   
   >done.)   
   >   
   >If someone did get an LCD Multisync Monitor to work on a Model 3 or 4   
   >it would probably be the first real TRS-80 hardware driven LCD display   
   >ever seen-!   
   >   
   >It's funny though... for the cost of interfacing a modern monitor to an   
   >again TRS-80 you could probably instead pick up an old 100Mhz Pentium   
   >(if you can find it) ... for free... and then run a DOS or Linux   
   >(Ubuntu?) based TRS-80 emulator... but the engraver's hardware   
   >interfacing might be a challenge.   
   >   
   >This is an area in the emulation functionality might be stretched:   
   >could the TRS-80 engraver hardware interface be properly connected and   
   >ported into an Intel box hardware and emulator?  That I'd like to see.   
   >   
   >How does the engraver connect to the Model 4?  Is it through the   
   >expansion port or through the printer or cassette port?   
   >   
   >Steve wrote:   
   I will find out how they hook it up, but he said they did try an   
   emulator at one point, and it was too fast for the engraver.  I guess   
   it would need some delay work or something.  Yes, originally I was   
   thinking there should have been just a ntsc signal I could make a   
   simple cable for, but guess not.   
   Steve   
      
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