From: Ralf A. Q. <Fr...@gm...> - 2010-11-22 07:02:24
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At 05:37 PM 11/21/2010, Geraldo Netto wrote: >Folks, a friend of mine wants to migrate from dos to freedos >actually there are no issues by now, once he is just planning... > >but to make sure things will be okay, i'd like to ask >what is the status of serial port support? DOS doesn't not support any serial port, beside that it has the COMx: devices, which work by the ports as defined in the BIOS data segment >how to use it? >what if we have a rs-485 or rs-422 instead rs-232? Certainly not a DOS issue, even BIOS know about RS-232 at best. RS-485 or RS-422 is completely application dependent, DOS knows nothing about those... Ralf |