🚀 go-pugleaf

    Pascal Roobrouck Sh53 entitled a message as 'Par pc-port bidirectional',
   on the 11-10-92  14:05 to All.
 PRS> I have a development kit for MCU's with a programmer that plugs into
 PRS> the Centronics port of a PC. In the manual they say you need an AT.
 PRS> However at home I have still an XT. The programmer software always
 PRS> hangs on my XT when he tries to READ something from the Parallel port.
 PRS> (a blank check..) On an AT at my office, it works fine ...

    If I remember the XT's port is implemented with some discret
    TTL parts and the AT utilizes an 8255.  BIG difference.

 PRS> Here my question : is there a difference in hardware between the
 PRS> centronics port implementation in the XT and the AT PCs or is it only
 PRS> the manufacturers 'fault'. Maybe I could buy an extra parallel port
 PRS> for my XT that works well ??

    Might work make sure you check it out with your program B4
    you sink any money into it!

 PRS> Greetings from Belgium

    Greetings from Buffalo.NewYork.United_States

                Stephen Cyberman@Toz.Buffalo.NY.US
             Mangled on Thu  11-12-1992  at 20:29:01

... Catch the Blue Wave!
--- Blue Wave/QWK v2.10