Subject: Re: CG6 and serial port support questions
To: David Gilbert <dgilbert@jaywon.pci.on.ca>
From: Rick Kelly <rmk@rmkhome.rmkhome.com>
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 rmk@rmkhome.com rmk@tencats.rmkhome.com
http://tencats.rmkhome.com