Re: Valid Baud Rate Values
Hi...
And of course 8250 is unspeakable. :)
Actually 115200 should work on plain 16550.
Alex
On Tue, 21 Jul 1998, Bob Nielsen wrote:
> Date: Tue, 21 Jul 1998 15:12:38 -0700 (MST)
> From: Bob Nielsen <nielsen@primenet.com>
> To: PATRICK DAHIROC <patd@wam.umd.edu>
> Cc: debian-user@lists.debian.org
> Subject: Re: Valid Baud Rate Values
> Resent-Date: 21 Jul 1998 22:12:46 -0000
> Resent-From: debian-user@lists.debian.org
> Resent-cc: recipient list not shown: ;
>
> On Tue, 21 Jul 1998, PATRICK DAHIROC wrote:
>
> > hi
> >
> > i tried downloading hamm files to upgrade from bo. i noticed that the ftp
> > connection was very slow and found out that i was connected at 9600. i
> > changed the speed to 115200 in the ppp.options file. is 11520 the fastest
> > transfer rate that ppp can support or are there greater values? i have a
> > 28.8 modem, what would be the optimal value it? exactly what does this
> > values signify?
>
> You want to set the serial port rate somewhat higher than the modem rate,
> as compression in the modem will help in many cases. A 16550A UART will
> operate fine at 115200. 57600 should be fast enough for a 28800 modem
> also. If you have a 16450 UART, you will probably not get better than
> 19200 without errors (sometimes even 9600 can give errors with these).
>
> ----
> Bob Nielsen Internet: nielsen@primenet.com
> Tucson, AZ AMPRnet: w6swe@w6swe.ampr.org
> DM42nh http://www.primenet.com/~nielsen
>
>
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