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???
07/17/03 18:26
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 		 #50918 - RE: how to interface 8255 with printer
Responding to: ???'s previous message
You are absolutely correct Mikkel. The _*_Original_*_ IBM PC parallel adapter board as it was called used a small handful of TTL and LSTTL chips. For those interested I made a scan of its schematic so you can see how the ports connect to the DB-25 parallel connector.


Click on image for huge view.


Michael Karas


List of 23 messages in thread
TopicAuthorDate
how to interface 8255 with printer            01/01/70 00:00      
   RE: how to interface 8255 with printer            01/01/70 00:00      
      RE: how to interface 8255 with printer            01/01/70 00:00      
   RE: how to interface 8255 with printer            01/01/70 00:00      
      RE: how to interface 8255 with printer            01/01/70 00:00      
   RE: how to interface 8255 with printer            01/01/70 00:00      
      RE: how to interface 8255 with printer            01/01/70 00:00      
      RE: how to interface 8255 with printer            01/01/70 00:00      
         RE: how to interface 8255 with printer            01/01/70 00:00      
            RE: how to interface 8255 with printer            01/01/70 00:00      
   RE: how to interface 8255 with printer            01/01/70 00:00      
      History            01/01/70 00:00      
      RE: how to interface 8255 with printer            01/01/70 00:00      
      RE: how to interface 8255 with printer            01/01/70 00:00      
         RE: how to interface 8255 with printer            01/01/70 00:00      
         RE: how to interface 8255 with printer            01/01/70 00:00      
            RE: how to interface 8255 with printer            01/01/70 00:00      
               RE: how to interface 8255 with printer            01/01/70 00:00      
                  RE: how to interface 8255 with printer            01/01/70 00:00      
                     RE: how to interface 8255 with printer            01/01/70 00:00      
            Quicky schematic question            01/01/70 00:00      
               RE: Quicky schematic question            01/01/70 00:00      
                  RE: Quicky schematic question            01/01/70 00:00      

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