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From: han@Apple.COM (Byron Han, scapegoat)
Newsgroups: comp.sys.mac.programmer
Subject: Re: can the serial driver run at 38400 baud?
Message-ID: <11202@goofy.Apple.COM>
Date: 10 Nov 90 04:26:23 GMT
References: <1990Nov10.021930.16649@morrow.stanford.edu>
Organization: Apple Computer, Inc.
Lines: 15

In article <1990Nov10.021930.16649@morrow.stanford.edu> GG.DAR@forsythe.stanford.edu (Aaron Reizes) writes:
>I have a program that does serial communications.  I have gotten
>requests to support speeds above 19.2kb.
>
>It looks like baud38400 should be 2 but I have not been able to get
>the driver to respond to 384kb.  I have tried 1, 2, and 3 as the
>divisor.
>
Read IM-II chapter on the serial driver.  You need to set up a parameter
block and make a control call to the output driver...

IM II-254/255. csCode = 13, csParam = baudRate.

Hope this helps.
Byron