Subject: Re: CG6 and serial port support questions
To: David Gilbert <>
From: Rick Kelly <>
List: port-sun3
Date: 03/05/1996 20:04:27
David Gilbert said:

>	The problem is that the chips have a 3 byte FIFO.  Those three
>bytes are easily exhausted.  Moreover, when I'm full bore receiving
>with ppp, the system is hit hard --- close to unusable.
>	While I can't 'know' yet --- I don't have a Sun3 to play with
>yet, I suspect that 19200 is good fishing for a Sun3.

When Sun switched from 68k to sparc, the decided that ring buffers
were a good thing as compared to clists.  Thus, a Sun 3/60 had better
serial throughput than a sparc 1+.

To this day, the serial driver in Solaris sucks.
Rick Kelly