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echo: os2prog
to: Peter Fitzsimmons
from: Vitus Jensen
date: 1995-03-20 22:05:30
subject: Re: OS/2 COMM ROUTINES

Moin Peter,

13.03.95 23:28, you wrote a message to Vitus Jensen:

 VJ>> a maximum of 115200. This is also the maximum 
 VJ>> supported on standard AT hardware (input clock = 
 VJ>> 1.8432 MHz, internal divisor = 16 and software 
 VJ>> selected divisor = 1).

 PF> This is the maximum _possible_,   but not the maximum _supported_.  
 PF> The maximum supported on IBM standard AT hardware is 19200
 PF> (I just looked it up in an old IBM tech ref I have here).

Well, the hardware supports to select such bitrates. It is a bit difficult
for me to express this exact (in english). And COM01.SYS from DDSK1.2 does
in fact allow 57600.

[...working maximum line speed depends on your hardware...]

Agree! And I used 115200 on my old 8086-8 . DOS or MINIX, I don't
remember...


Bye and thanks,
	Vitus

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