Subject: Re: serial ports, yadda yadda yadda
To: Wonko the Sane <wonko@madness.tmok.com>
From: Tom Samplonius <tom@sdf.com>
List: port-sun3
Date: 01/18/1997 13:07:25
On Sat, 18 Jan 1997, Wonko the Sane wrote:

> ok, something just popped into my head while i was taking i shower.  when
> i setup PPP on my i386 w/16550 running Linux i had to throttle the serial
> port down from 115K to 38.4K because 38.4K got me better speeds.  i guess
> even with the fancy hardware kludge called a 16550 FIFO an ISA based 386 
> can't handle high speed serial communications.  if i had remembered that
> when i started asking about all this my question would have been answered
> by me myself.  but, i learned a lot in the process, so it wasn't all bad.
> 
> yea, i am definitely going to put the modem on one of the SUN 3/180's
> 
> -wonko

  The 16550 UART has a 16 character FIFO buffer.

  The Zilog UART on most Sun/Sparc hw has a 3 character FIFO.


Tom