Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!dciem!nrcaer!xios!greg
From: greg@xios.XIOS.UUCP (Greg Franks)
Newsgroups: comp.unix.xenix
Subject: Re: Serial I/O performance under Unix on the AT, some thoughts and ideas
Message-ID: <415@xios.XIOS.UUCP>
Date: Thu, 5-Nov-87 20:27:40 EST
Article-I.D.: xios.415
Posted: Thu Nov  5 20:27:40 1987
Date-Received: Thu, 12-Nov-87 00:50:10 EST
References: <943@sugar.UUCP>
Reply-To: greg@sdn.UUCP (Greg Franks)
Organization: XIOS Systems Corporation, Ottawa, Ontario, Canada
Lines: 18

In article <943@sugar.UUCP> karl@sugar.UUCP (Karl Lehenbauer) writes
about how to do a tty driver, multiport cards etc.

Multiport cards: the one we have (Bell Tech HUB), comes with its own
driver.  I don't think that uport's tty drivers handle many multiport
cards (they are all different...). 

Re assembly code to buffer the characters: they already do it in the
standard drivers.  It is still too slow at times.  And yes, they have
special buffers.  Remember: any driver (including sio) that sits at spl7
toooooo long kills the uarts. 

Hopefully, version 2.3 will fix all this - we're waiting with baited
breath for our copies to arrive!
-- 
Greg Franks             XIOS Systems Corporation, 1600 Carling Avenue,
(613) 725-5411          Ottawa, Ontario, Canada, K1Z 8R8
uunet!mnetor!dciem!nrcaer!xios!greg    "There's so much to sea in Nova Scotia"