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Date:      Sun, 11 Jan 1998 20:12:12 -0500 (EST)
From:      "John S. Dyson" <toor@dyson.iquest.net>
To:        jak@cetlink.net (John Kelly)
Cc:        toor@dyson.iquest.net, hackers@FreeBSD.ORG
Subject:   Re: 16650 Support(?)
Message-ID:  <199801120112.UAA00657@dyson.iquest.net>
In-Reply-To: <34c0795e.7050337@mail.cetlink.net> from John Kelly at "Jan 12, 98 02:07:04 am"

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John Kelly said:
> On Sun, 11 Jan 1998 19:07:35 -0500 (EST), "John S. Dyson"
> <toor@dyson.iquest.net> wrote:
> 
> >> The 650 support seems to be broken, so don't flag it as a 650.  Run it
> >> as a 550 and it should work fine.  You still get the benefit of the
> >> deeper FIFO, even when it's defined as a 550.  You don't get the auto
> >> CTS/RTS flow control, but that has questionable value anyway.
> >> 
> >I have a 16650 based card, and it appears to work well.  It would be interesting
> >to figure out why mine works, and others don't.
> >
> 
> Do you have it flagged as a 650 in your kernel, or as a 550?
> 
As a 650.

>
> I emailed you about the SIO 650 support a couple of months ago but I
> guess you were busy with other stuff.  There seem to be some changes
> in SIO for 650 support, attributed to you.  If that is true, can you
> describe the changes?
>
The 650 enabled code uses the entire 32 byte buffer, and enables HW flow
control when it is enabled by the driver.

-- 
John                  | Never try to teach a pig to sing,
dyson@freebsd.org     | it just makes you look stupid,
jdyson@nc.com         | and it irritates the pig.



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