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echo: os2prog
to: Vitus Jensen
from: Charles Gaefke
date: 1996-11-14 00:01:52
subject: Re: DosDevIOCtl for COM ports

VJ> No modem will recognize a new serial speed while online.  Sioref says (as I
VJ> posted) that nobody may change the serial speed except su.exe and a reboot.
VJ> you changed it by your program that would mean a bug in SIO.

    That's exactly what Ray Gwinn told me.

VJ> Type "su" and reread the output.

    So I've found.  Thank you for pointing that out to me.

VJ> I don't think you can convince him to reveal an undocumented unlock IOCtl..

    I'm not interested in that.  I just wanted him to clarify some things, and
he did.

    BTW, I still think I changed the locked rate after SIO locked it.  But I 
need to confirm it to see.



C. Gaefke
cdgaefke{at}sgi.net
[CDRMAIL Author]

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