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Date:      Mon, 4 Mar 1996 19:53:08 +1030 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        brian@easy1.mediacity.com (Brian Litzinger)
Cc:        msmith@atrad.adelaide.edu.au, current@freefall.freebsd.org
Subject:   Re: new sio delays
Message-ID:  <199603040923.TAA12382@genesis.atrad.adelaide.edu.au>
In-Reply-To: <199603040915.BAA18612@MediaCity.com> from "Brian Litzinger" at Mar 4, 96 01:15:02 am

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Brian Litzinger stands accused of saying:
> 
> > Some ISA 'internal modems' don't have real 8250-family UARTs, they attempt
> > to emulate them using their onboard processors.  
> > 
> > Most of these are quite slow at generating interrupts, and responding in
> > general, so waiting a while gives them time to react.
> > 
> > Over the last six months or so, we've had a number of successful results
> > with these delays, hence bde committing them.
> 
> Is that why I no longer have to delete test 5 from sio.c to get my
> Cardinal PCMCIA modem to be recognized?

That's the general idea, yes.

> Brian Litzinger

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
]] High-speed data acquisition and      (GSM mobile) 0411-222-496       [[
]] realtime instrument control          (ph/fax)  +61-8-267-3039        [[
]] Collector of old Unix hardware.      "Where are your PEZ?" The Tick  [[



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