Date: Wed, 25 Sep 1996 13:20:03 +0200 (IST) From: Nadav Eiron <nadav@barcode.co.il> To: dwhite@resnet.uoregon.edu Cc: Samy Touati <lmcsato@lmc.ericsson.se>, freebsd-questions@FreeBSD.org Subject: Re: support for 16650 Message-ID: <Pine.BSF.3.91.960925131836.6709A-100000@gatekeeper.barcode.co.il> In-Reply-To: <Pine.BSI.3.94.960924091447.3145Q-100000@gdi.uoregon.edu>
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On Tue, 24 Sep 1996, Doug White wrote:
> On Tue, 24 Sep 1996, Samy Touati wrote:
>
> > I know that the 16550 is supported I'm talking about the 16650 which
> > allows speed up to 428K Bauds.
>
> Ah. I thought it was a typo at first since the page you referenced said
> 16550.
>
> You'd have to try it. If it's a standard PC UART then it should work.
> Whether FreeBSD can take advantage of the warp speed is the question.
>
> Unfortunately, I wouldn't know if it can or not.
I guess not. Found this in sio.c:
static struct speedtab comspeedtab[] = {
0, 0,
50, COMBRD(50),
75, COMBRD(75),
110, COMBRD(110),
134, COMBRD(134),
150, COMBRD(150),
200, COMBRD(200),
300, COMBRD(300),
600, COMBRD(600),
1200, COMBRD(1200),
1800, COMBRD(1800),
2400, COMBRD(2400),
4800, COMBRD(4800),
9600, COMBRD(9600),
19200, COMBRD(19200),
38400, COMBRD(38400),
57600, COMBRD(57600),
115200, COMBRD(115200),
-1, -1
};
So I guess 115.2kbps is as fast as the sio driver will do.
>
> Doug White | University of Oregon
> Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant
> http://gladstone.uoregon.edu/~dwhite | Computer Science Major
>
>
Nadav
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