Conecting new printer to a 286

Tony Duell ard at p850ug1.demon.co.uk
Mon Jul 5 15:24:36 CDT 2010


> 
> On 4 Jul 2010 at 13:47, Glen Slick wrote:
> 
> > It might not take too much to build up something to do that using an
> > FTDI FT245R - USB FIFO IC.
> > 
> > http://www.ftdichip.com/Products/FT245R.htm
> > 
> > It has a write strobe input and a FIFO full output, which might need
> > some simple logic to handshake with a standard LPT output.  But you
> > wouldn't have to write any firmware for the USB microcontroller.
> 
> Um, I'm confused.  The FT245R is a slave device.  Would it not 
> require a host controller to interface to a USB printer?  The FT245 
> ISTR always looks like a communications device.

It would, if you wanted to connect it straight to the printer. My idea 
was a device to let you get the data off the classic machine onto a 
modern PC, and then format/print it from there. In which case a slave USB 
devie is what is needed.

-tony




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