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From: info-vax@ucbvax.ARPA
Newsgroups: fa.info-vax
Subject: Re: XOFF (actually DMF auto xon/xoff mode)
Message-ID: <9791@ucbvax.ARPA>
Date: Fri, 9-Aug-85 09:42:06 EDT
Article-I.D.: ucbvax.9791
Posted: Fri Aug  9 09:42:06 1985
Date-Received: Mon, 12-Aug-85 06:33:24 EDT
Sender: daemon@ucbvax.ARPA
Organization: University of California at Berkeley
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From: Chris Torek 

>There is a mode in the DMF-32 called "AUTOXON" or something
>like that, which appears to be some sort of hardware implementation
>of XON/XOFF flow control within the DMF's controller.  The VMS terminal
>driver for the DMF-32 did not use the feature until VMS V4 came out.
>At that point, it became evident that many DMF emulators weren't.

So *that* explains it!  Except for one small point: when I put this
into my Unix kernel, I got this very same behaviour, but we have
a *DEC* DMF32. . . .

Perhaps some DMFs aren't, also.

Chris